Seagate | ST3300655LC | Blue Coat SGOS 4.2.x Release Notes

Blue Coat SGOS 4.2.x Release Notes
Version: SGOS 4.2.7.1, build 32941
BCAAA Version 120
Release Date: 02/29/2007
Document Revision: 1.1 on 03/05/2008
Release Note Contents
This SGOS 4.2.x Release Note document contains the following sections:
❐
"Section A: Read Me First"
❐
"Section B: Limitations"
1
Blue Coat SG Appliance Release Notes
Section A: Read Me First
Introduction
These release notes apply to Blue Coat® Systems’ appliances that are currently running or
will be upgraded to the SGOS 4.2.7 release. Before starting the upgrade process, please
review these notes.
Blue Coat recommends that you upgrade to the latest patch release of SGOS 4.2.x.
Browser Popups
Depending on your browser settings, the VPM module and online help (accessible when
you click Help at the bottom of any Management Console panel) might not display. If this
happens, you must change the browser settings to allow popups.
Support
For general information about Blue Coat: bcs.info@bluecoat.com.
Direct support questions regarding this release to Blue Coat Support. For more
information, visit: http://www.bluecoat.com/support/contact.html.
New in this Release
Version: SGOS 4.2.7.1 build 32941
Release Date: 02/29/2008
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.3.1, ProxyAV 3.1
Document Revision: 1.1 on 03/05/2008
New in this Release
❐
Added support for the SSL Cavium card 1010 for the SG510, SG810, and SG8100 series.
❐
RTSP Log Forwarding: This feature adds support for forwarding values for several log
fields. These values are reported by the ProxySG for the streaming session between the
client and the ProxySG and are forwarded to the Origin Content Server (OCS) in the
client log record:
•
cs-uri-stem: URI stem of the client request is sent in the client log record being
forwarded to the server.
•
s-pkts-sent: Packets sent by the ProxySG to the client, during the playspurt.
•
sc-bytes: Bytes sent by the ProxySG to the client, during the playspurt.
•
s-totalclients: Number of clients connected to the ProxySG.
•
s-proxied: Set to 1 for proxied sessions.
•
s-cpu-util: CPU utilization of the ProxySG.
•
s-session-id: A unique id of the streaming session between client and the
ProxySG.
This feature is enabled when following configuration options for the windows-media
streaming proxy are set to the values specified:
2
SGOS 4.2.x
•
•
log-forwarding: enable (default is enabled). You can change this value through
the:
•
Management Console: Configuration > Proxy Settings > Windows Media and
selecting or de-selecting the Forward client-generated logs to origin media
server checkbox.
•
CLI : #(config) streaming windows-media log-forwarding {enable |
disable}
log-compatibility: disable (default is enabled). You can change this value through
the CLI with the following command:
#(config) streaming windows-media log-compatibility {enable |
disable}
❐
Content Filtering Configurable RAM ceiling: Content filtering databases are becoming
larger and can cause CPU spikes, restarts and ProxySG performance issues. If you find
this is the case, you can change the amount of RAM (the ceiling) that the content filter
service (CFS) is allowed to use.
You can use either the Management Console, by selecting the appropriate Memory
Allocation radio button at the bottom of the Configuration > Content Filtering > General
tab, or the CLI, by going to the (config) prompt and entering:
SGOS#(config) content-filter
SGOS#(config content-filter) memory-allocation ?
high Maximize memory use for filtering
low Minimize memory use for filtering
normal Use the default amount of memory for filtering
The command causes a reload of all enabled content filter providers, with the new
effective ceiling in place.
On a downgrade, memory allocation reverts to normal for the platform . The selected
setting is reinstated when the device is re-upgraded.
Important: Changing the memory allocation might have significant impacts on
performance of the appliance. Be sure that the setting you choose is appropriate for the
deployment.
Fixed in this Release
❐
Reverse Proxies: Blue Coat no longer use the mms://localhost/file.wmv syntax for
caching objects. Now, upon upgrade, new client requests are cached under a name
such as mms://<host or ip>/file.wmv, where <host or ip> is based on the server
URL returned by policy and can be same as the client's request URL.
Objects that were previously cached under a name such as mms://localhost/
file.wmv are not usable on an upgrade.
This optimization was only useful when (multiple) hostname or IP in the request URL
would all resolve to one of the ProxySG IP addresses. (B#87537)
Table 1. Fixes for SGOS 4.2.7.1
Issue
Service Request
Description
55356
NONE
SSL Statistics: The field "Currently active
sessions" under SSL Origination on the SSL/
Statistics page displays an invalid counter
value.
3
Blue Coat SG Appliance Release Notes
Table 1. Fixes for SGOS 4.2.7.1 (Continued)
Issue
Service Request
Description
76322
2-41451941,
2-69918811,
2-89338012,
2-90637491,
2-91148740,
2-91701727,
2-93833332,
2-93967182,
2-93995473,
2-94759415
"REG: File_target::create returned error
0X00000009 (9). " 0 70000:1 ../
Reg_logging.cpp:119. The error is reported if
the registry file cannot be opened for create.
78980
2-44184471, 2-94314731
Software error (CK_Fatal_error) code 0xFFFF
registered to 'CF_KERNEL'.
85329
2-66657495, 2-69877725,
2-75734082, 2-90998542
Restart in Process "RTSP_WM_Dispatcher" in
"Kernel.dll" at .text+0xA32.
86435
NONE
Services Panel does not generate delta CLI on
single service change
86927
2-71417561, 2-83375553
Gigabit passthru card reverting to half
duplex even when switch is set to full
87258
2-68036475
Referrer header containing authenticator
cookie is being chopped with icap req mode
and origin-cookie-redirect leading to http 400
response from proxy
87458
2-73500158, 2-81512124,
2-82224173, 2-85220459,
2-91039214
CPU spike and restart apparently caused by
increase in Websense database size.
87609
2-76053041
Hardware watchdog timeout in CMsshd
CLIworker.
87798
2-74471201
HTTP HEAD response with no contentlength header causes subsequent request on
the same connection to fail.
88164
2-80180172, 2-80185632,
2-87210042
DSAT returned unexpected error: File open
error.
88344
2-72585382
MC test-url does not find URL with query
string in iwf buff file.
88507
2-82863713,
2-83206172,
2-83706051,
2-83825787,
2-83825899
88685
2-83381799, 2-84097871,
2-90812612
In some rare occasions, the core is not being
generated after tcp related page fault.
89445
2-86420851, 2-86516251,
2-87180721
Page Fault in Process "MMS File Worker
69D1B620" in "mms.dll" at .text+0x15175.
2-65937201,
2-84114717,
2-89529812,
2-91124706,
2-91401682,
2-91838372,
2-93957570,
2-93967968,
2-94732171,
2-83085692,
2-83235122,
2-83825744,
2-83825840,
Unexpected restart (watchdog timeout) after
running for over 497. days.
4
SGOS 4.2.x
Table 1. Fixes for SGOS 4.2.7.1 (Continued)
Issue
Service Request
Description
89467
NONE
Kernel faults when trying to write a core
image during the initial process set.
89606
2-86602501
Resources statistics show cache available as
170% of disk use.
89629
2-82090802
Yahoo-IM: Yahoo sometimes disconnects
over HTTP because of server response
timeout.
89668
2-63825131
Server persistence is not working when
policy is set but the global setting is off on the
proxy. The policy action would only change
the settings for server persistence if the
connection was over HTTP.
89791
2-86775083
SGRP announcement (multicast) traffic is not
processed after bringing up a gigabit
interface.
89855
2-87463678
FTP does not check policy termination
during upload.
89967
2-85886202
Software restart at 0x5B0000 in Process
"Threshold_Monitor" in
"Threshold_monitor.dll" at .text+0x897 due to
high count of SSLW (clientless workers).
90340
2-88548772, 2-92052412
ASN.1 encoding/decoding failure from
Entrust when submitting CSR.
90508
2-82099602, 2-92337021
When editing services table, the
Management Console resets CLI created
cipher suite. Added the "attribute ciphersuite" command to CLI for HTTPS Reverse
Proxy and HTTPS Console services.
90688
2-90224712
Page Fault in Process "AOL IM Worker
75AA783C" in "im.dll" at .text+0x28d43 Send_icbm_ack.
90692
2-83876056
When running load the access log drop down
is missing items.
90751
2-90095602
MC display issue: when service name has
capital letters, the combo box next to a label
of icap service: is defaulted to "no service
selected".
90838
2-87734602, 2-90339733,
2-91710911, 2-92356922,
2-93988401
SG rejecting server hello from gmail
("error:14092073:SSL
routines:SSL3_GET_SERVER_HELLO:bad
packet length").
90897
2-90392601
XML Realm: High CPU when XML
authentication server is unreachable.
5
Blue Coat SG Appliance Release Notes
Table 1. Fixes for SGOS 4.2.7.1 (Continued)
Issue
Service Request
Description
90929
2-69854919
Access logs showing invalid number
(4294967296) bytes downloaded: scbytes=2^32 on random 403 responses.
91310
2-90390651, 2-93692592,
2-93840552
Page Fault at 0x1f1df4b8 in Process "tcpip" in
"tcpip.dll" at .text+0x140fc.
91344
2-91909551
Page Fault in Process "Yahoo IM Worker
7381A010" in "im.dll" at .text+0x47338.
91357
2-91857271, 2-92997892
2-93833602, 2-94332062
In ICAP request mode, The ProxySG
substitutes char % or ~ in URLs, with
encoded characters, ie. "%25" hex value. This
breaks the Web server, as the server is
expecting the character, ie "%", in the URL
string.
91447
2-90224686, 2-94777346
Software Restart at 0x19 in Process "Disk
03F02000" in "ce_admin.dll" at .text+0x4bc32.
91485
2-92399631
Restart in Process "HTTP CW FC7A3EC0" in
"authenticator.dll" at .text+0x2211F.
91545
2-84393172,
2-90631046,
2-90631133,
2-94758442,
91782
2-93118956
In some occasions, MC GUI shows that IP
forwarding is enabled when it's not.
92175
2-93677646
CLI: bandwidth-management configuration
is missing in post setup configuration.
Added display of bandwidth management
configuration information in "show conf
post-setup" output.
2-90124298
2-90631098
2-90631170
2-95472677
Page fault in Process "tcpip" in "tcpip.dll" at
.text+0x14257
Known Issues in this Release
Table 2. Known Issues for SGOS 4.2.7.1
Issue
Service Request
Description
81835
2-52811796
Page fault at 0x3C "HTTP CW 92B27F20" in
"ce_admin.dll" at .text+0x15251
83010
NONE
Without the LDAP realm in the sequence the
Windows SSO realm will not correctly
authorize against its LDAP realm. Adding
LDAP Realm to the sequence enable Windows
SSO authorization.
84783
2-64192190
ICAP X-Authenticated-User is reporting
realm "unknown" for sequence realms.
6
SGOS 4.2.x
Table 2. Known Issues for SGOS 4.2.7.1 (Continued)
Issue
Service Request
Description
84871
NONE
SG had (CK_Fatal_error) code 0x20005,
registered to 'CF_SCSI_SERVER'. after
downloading SG5.2 image.
85097
2-65747233
Page fault in HTTP SW C9DADEC0 for
C9FF0EC0" in "http.dll"
87037
2-72604404, 2-76626252
Restart: Process "HTTP CW FE169EC0" in
"transformer_dll.dll" at .text+0x8B13
87256
2-74491716
if policy decision is to "DENY" the request,
socks closes the connection without sending
socks reply message
87270
NONE
http.response.data test causes a denied socks
transaction to succeed
87439
2-74894991
RTSP Content-Base header re-written to
original client URL instead of header from
OCS.
88686
2-82917412, 2-90631046,
2-90631098, 2-90631170
In some cases, the proxySG doesn't produce a
full core at restart.
89117
2-84887362
Encrypted log .enc file is overwritten by .der
file when using HTTP Upload client.
89268
2-82276411
CERT chaining behavior change: If keyring
includes server cert and intermediate ca and
ca store also includes the intermediate ca
public key then sg sends two intermediate
CA's.
90123
2-88349861, 2-89646433,
2-90836132, 2-93818662
Software restart at 0x4801c in Process "Cache
Administrator" in "Kernel.dll" at .text+0xa0d6.
90941
2-91117002
When having compliance page (notify user
policy) and the safesearch policy defined, the
syslog server reports the error "Policy: Action
discarded".
91033
2-87963032
Hardware restart (Invalid Opcode) in Process
"HTTP CW AF7A6EC0" in "" at .text+0x0.
91466
2-91913351
TCP Livelock after smartfilter download and
possibly higher user counts.
92117
2-73126132
BCAAA processes not being terminated.
92241
2-92185701
origin-cookie-redirect being downgraded to
origin challenge with firefox and http post.
92363
2-94586508
Restart at x19 in Process "HTTP CW
CC146EC0" in "Kernel.dll" at .text+0x19511.
92583
NONE
Unlicensed 4.1 PA not working with Proxy SG
7
Blue Coat SG Appliance Release Notes
Table 2. Known Issues for SGOS 4.2.7.1 (Continued)
Issue
Service Request
Description
92683
2-94864233
Page fault at 0x30F45665 in Process "dns
service worker FDFBBE24" in "ce_admin.dll"
at .text+0x382F2.
Doc Errata
❐
Configuration and Management Guide, SSL Proxy, Intercepting HTTPS Requests to
Specific Sites through VPM:
This section mistakenly says to use the Access Layer to intercept HTTPS requests. The
correct procedure to intercept HTTPS requests follows.
Procedure: To intercept HTTPS requests to specific sites through VPM
1.
Go to Configuration > Policy > Visual Policy Manager and launch VPM.
2.
From the Policy drop-down menu, select Add SSL Intercept Layer.
3.
In the Destination column, right-click Set; the Set Destination Object displays.
4.
Click New and select Server Certificate.
5.
Fill in the fields as described below. Note that you can only choose one field:
a.
Hostname: This is the hostname of the server whose traffic you want to
intercept. After entering the hostname, use the drop-down menu to
specify Exact Match, Contains, At Beginning, At End, Domain, or Regex.
b.
❐
Subject: This is the subject field in the server's certificate. After you enter
the subject, use the drop-down menu to specify Exact Match, Contains, At
Beginning, At End, Domain, or Regex.
Configuration and Management Guide, Static Bypass:
This section does not make it clear that static bypass lists are used only in transparent
proxy environments. The local bypass list contains a list of IP addresses, subnet masks,
and gateways. It can also define the default bypass gateway to be used by both the
local bypass list and central bypass list. The gateways specified in the bypass list must
be on the same subnet as the ProxySG.
Used only in a transparent proxy environment, the bypass list allows the SG appliance
to skip processing requests sent from specific clients to specific servers.
❐
Content Policy Language (CPL) Guide: Table C-1 indicates that range headers can be
deleted. This is not the case. In this release of SGOS, range headers cannot be deleted.
Version: SGOS 4.2.6.4, build 31840
Release Date: 12/13/2007
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.3.1, ProxyAV 3.1
Document Revision: 1.0 on 12/13/2007
8
SGOS 4.2.x
New in this Release
❐
Large downloads: Blue Coat now supports HTTP content-length headers greater than
32-bits.
❐
Hard disk drives 73 GB, model Seagate ST373455LC, and 300GB, model Seagate
ST3300655LC, are supported on the SG810 platform.
❐
Instant Messaging: WLM 8.1 is now supported.
❐
Content Filtering, SmartFilter: During configuration from either the Management
Console or the CLI, you can select the SmartFilter database edition to use: XL or SL.
The XL edition is the default, and is compatible with SmartFilter 4.2 or later. There are
a number of category additions and changes in the XL edition.
If you select a different database edition than was previously set, examine your policy
compilation listing after the download. The set of available categories will be different,
and you might need to modify the existing policy.
To select the database version, go to Configuration > Content Filtering > SmartFilter,
Database edition, and select either the XL or SL radio button.
Fixes in this Release
Table 3. Fixes for SGOS 4.2.6.4 Since SGOS 4.2.6.1
Issue
Service Request
Description
55642
NONE
MSN-IM: Version 7.5 - Messaging may not work when
Reflection is enabled.
84779
2-64104541,
2-84629101
In certain conditions SNMP doesn't send trap when SG
restarts.
86988
2-70787922
FTP upload client username and path do not allow a "\".
87586
2-77097598,
2-84730061
RTSP: Streaming stats and TCP connection stats show a steady
increase of the Windows media client count (WM_RTSP
workers) while the TCP connections remain fairly static,
causing memory pressure to keep increasing.
87593
2-70456439,
2-72336059,
2-77146467
Software restart at 0x230000, Process "RTSP_WM_Dispatcher"
in "rtsp.dll" at .text+0x63BDA. Temporary workaround:
disable log-forwarding.
87806
2-80591051
Software restart at 0x19 in Process "CMsshd CliWorker" in
"Kernel.dll" at .text+0x106A0.
87881
2-78652638
Management Console: After a restore-defaults factorydefaults, setting non-speed related interface settings causes
speed setting to be added and applied. The "speed" CLI
command is generated only when "Manually configure link
settings" option is selected.
88024
2-81305482
Management Console includes "xxx-client no filename" when
changing other attribute of an access log facility if the filename
is "SG_%f_%l%m%d%H%M%S.log"
88075
2-76918841,
2-83794711
ISP-GW: under certain conditions, page-fault in TCP/IP when
re-enabling return to sender.
9
Blue Coat SG Appliance Release Notes
Table 3. Fixes for SGOS 4.2.6.4 Since SGOS 4.2.6.1 (Continued)
Issue
Service Request
Description
88122
2-81816340,
2-82097972
The dual processor 810 models do not show/reference the
second CPU in sysinfo after downgrading to 4.2.x from 5.2.x.
88227
2-72711902
WLM 8.1: On some occasions files transfers are not blocked.
88258
NONE
Streaming: After upgrading to 4.2.6.1, the default streaming
format contains the field s-session-id. It should be possible to
update the access log format in order to go back to the preupgrade format.
88446
2-81543838
POST request without Content-Length header get 411
response.
88510
2-81967157
Streaming: WMV files with multi-language audio tracks: when
a language changes occurs during the stream the full file is
requested.
88780
2-83739314
VPM-XML does not accurately reflect upgraded VPM-CPL
policy
88948
2-72320031
LDAP authentication fails after cancelling VPM browsing.
89011
2-81816792,
2-82865702,
2-83374462,
2-84583771,
2-86041014
Certificate Signing Request (CSR) format corruption on SGOS
4.2.5.1 and later releases.
Known Issues in this Release
Table 4. Known Issues for SGOS 4.2.6.4
Issue
Service Request
Description
85329
2-66657495,
2-69877725,
2-75734082
Restart in Process "RTSP_WM_Dispatcher" in "Kernel.dll" at
.text+0xA32.
86435
NONE
Services Panel does not generate delta CLI on single service
change.
86927
2-71417561,
2-83375553
Gigabit passthru card reverting to half duplex even when switch
is set to full.
87037
2-72604404,
2-76626252
Restart: Process "HTTP CW FE169EC0" in "transformer_dll.dll"
at .text+0x8B13.
87256
2-74491716
If policy decision is to "DENY" the request, SOCKS closes the
connection without sending SOCKS reply message.
87258
2-68036475
Referrer header containing authenticator cookie is being
chopped with ICAP req mode and origin-cookie-redirect leading
to http 400 response from proxy.
87270
2-72794712,
2-84990885
http.response.data test causes a denied SOCKS transaction to
succeed
10
SGOS 4.2.x
Table 4. Known Issues for SGOS 4.2.6.4 (Continued)
Issue
Service Request
Description
87439
2-74894991
RTSP Content-Base header re-written to original client URL
instead of header from OCS.
87458
2-73500158,
2-81512124,
2-85220459
CPU spike and restart apparently caused by increase in
Websense database size.
87609
2-76053041
Hardware watchdog timeout in CMsshd CLIworker.
88164
2-80180172,
2-80185632
DSAT returned unexpected error: File open error.
88280
2-78227542
X-Virus-Id and X-Virus-Details are missing for cache hits. As a
consequence, the number of viruses reported is less than number
of viruses that are found.
88344
2-72585382
MC test-url does not find URL with query string in iwf buff file.
88507
2-82863713,
2-83235122,
2-83706051
Unexpected restart (watchdog timeout) after running for more
than 497 days.
88685
2-83381799,
2-84097871
On some rare occasions, the core is not being generated after
TCP-related page fault.
89117
2-84887362
Encrypted log .enc file is overwritten by .der file when using
HTTP Upload client on SGOS 4.2.5.1 and SGOS 4.2.6.1.
89268
2-82276411
CERT chaining behavior change: If keyring includes server cert
and intermediate ca and ca store also includes the intermediate
ca public key then the ProxySG sends two intermediate CAs.
89396
2-86420851
Software restart at 0x19 in Process "MMS File Worker 721E5620"
in "mms.dll" at .text+0x15227.
89404
2-82090802
Yahoo Messenger logs out after period of inactivity going
through the ProxySG.
Doc Errata
❐
Content Filtering (Internet Watch Foundation): The Blue Coat ProxySG Configuration
and Management Guide does not indicate that it is optional to use a username/password
when downloading the Internet Watch Foundation database. (B#89063, SR 283647191).
❐
CRLs: The Blue Coat ProxySG Command Line Reference does not list proper syntax for the
edit CRL list name. The proper syntax is (B#42866):
SGOS#(config ssl crl crl_list_name)
option 1:
exit
option 2:
inline
option 3:
load
option 4:
path
option 5:
view
11
Blue Coat SG Appliance Release Notes
Version: SGOS 4.2.6.1, build 31079
Release Date: 10/23/2007
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.3.1, ProxyAV 3.1
Document Revision: 1.1on 10/29/2007
New in this Release
❐
❐
❐
Streaming Access Logging: The default access logging format has been changed to
support the s-session-id. This field logs the session identifier the SG appliance uses
to track a streaming session. This is important for tracking multiple log entries to the
same session.For more information about access logging formats, refer to Blue Coat
ProxySG Configuration and Management Guide.
Hardware: A new SSL accelerator card is now shipping with SG210 systems.
SmartFilter: SGOS 4.2.6 now downloads and uses the SmartFilter "XL" database. This
version of the database contains a number of additional categories that can be used in
policy. For more details about the database, including descriptions of the new
categories, please visit:
http://www.securecomputing.com/filteringdb.cfm?db=XL
The SmartFilter database previously in use cannot be incrementally upgraded to the
"XL" database. The first SmartFilter download after you upgrade to SGOS 4.2.6 fetches
the full database (approximately 200Mb). Subsequent downloads are incremental as
usual. This process is automatic and requires no user intervention.
Fixes in this Release
Table 5. Fixes in this Release Since SGOS 4.2.5.1
Issue
Service Request
Description
78844
2-44405695
Management Console: doesn't accept a preview size value
of 0 once set to a non 0 value.
64277
NONE
AOL 5.1 : Japanese characters not being recognized by the
SG for IM File Transfer traffic.
81003
2-51338368
Changing core settings deletes restart entry in Core_image
page.
83818
2-60244221
Page fault at 004BA8B6 in MMS File Worker FBC9C640" in
"mms.dll" at .text+0x178B6.
84779
2-64104541
In certain conditions SNMP doesn't send trap when SG
restarts.
85094
2-65123331
Restart in Process "DNS Service worker" in "ce_admin.dll"
at .text+0x38072.
85551
2-66257633
Novell SSO: Delay needed after logon/logout event before
querying edirectory.
85581
2-61959911
Double interface bandwidth shown on 8000-x.
12
SGOS 4.2.x
Table 5. Fixes in this Release Since SGOS 4.2.5.1 (Continued)
Issue
Service Request
Description
85601
2-65572781
Management Console advanced URL links do not work
with IE.
85602
2-67236276
Restart in Process "Threshold_Monitor" in
"Threshold_monitor.dll" at .text+0x897.
85721
2-64103801
Siteminder sharing of credentials during a user request
causes an authentication loop.
85848
2-68075716
SSL: Disabled SSL service still activates TCP listener for the
specified port.
85960
2-65747111
Wrong disposition for category 153 when sending logs to
Websense reporter.
85967
2-69720101
Invalid response to PWD by FTP server causes connection
to fail
86003
NONE
Siteminder 6: Off box redirects do not work.
86034
NONE
Cross-site scripting (XSS) vulnerability in the handling of
the URL that loads Certificate Revocation Lists into the
appliance via the management console. If the URL is
malformed in certain ways, the malformed text is treated as
HTML and displayed to the user, instead of an error
message being generated. A workaround is for
administrators to never visit any untrusted site while
logged into the ProxySG management console.
86052
NONE
Switch to the SmartFilter XL database, which has 91
categories (the full set).
86124
NONE
Timezones: machines upgraded to timezone-supporting
versions can not be persistently set to UTC.
86164
NONE
Add support in SG for launching VPM independently of
MC in Director.
86247
2-70249062
RIP: gateway error on install of rip config due to
"trust_gateway" parameter.
86258
2-70456207
RIP: passwd in rip config is not working as expected
86307
2-70249682
Hardware restart at 0xE in Process "MSN IM Worker
1934E7CC" in "im.dll" at .text+0x2B011.
86330
2-69166231
Hardware restart in Process "MSN IM Worker 174F4B30" in
"im.dll" at .text+0x37A64.
86353
2-70776242,
2-71421279
FTP Proxy: RNTO command not being passed through
causing SG to send "530 access denied".
86359
2-70891902
Page Fault at 0x3C in Process "HTTP RW C3EF9EC0" in
"ce_admin.dll" at .text+0xD95.
86368
2-70324472
Retransmission packets are sent to default gateway when
inbound return-to-sender is enabled.
13
Blue Coat SG Appliance Release Notes
Table 5. Fixes in this Release Since SGOS 4.2.5.1 (Continued)
Issue
Service Request
Description
86369
2-70710181,
2-70874552,
2-71394303,
2-71993519
ICAP: URL encoding issue with certain characters breaking
REQMOD and RESPMOD.
86417
2-71529042
RIP: rip routes for an interface that is down do not get
removed from the ip route table.
86556
2-71519791,
2-73158122,
2-74815572
Page fault in Process "tcpip" in "tcpip.dll" at .text+0x14247
86583
2-71342234,
2-71544102
Page Fault 0xE in Page Fault Process "HTTP CW
C7921EC0" in "http.dll" at .text+0x2B913.
86656
NONE
SG 810: restart code 0x4801F, registered to
'CF_CACHE_ADMIN'
86680
2-71993403
SG Responds 200 OK to invalid range RTSP request
86857
2-69720691
FIXED: Daylight Savings Time extension needed for New
Zealand
86788
2-72611221
Novell SSO: Workstation Logins are masking User Logins.
86976
NONE
WM-RTSP: Access log entries corruption.
86981
2-72369352
Windows SSO authorization fail when moving user to a
different container
87005
2-69930343
SG sends CWD command for FTP upload even though
path is empty
87026
2-72896981
WM-RTSP: Extra '/' is added into SETUP request when
"a=control:" SDP attribute has trailing '/'.
87123
2-73573497
Occasional high CPU is seen with little traffic.
87137
2-72479455
After restore-defaults, the full SmartFilter database
download is needed to use already downloaded categories
87146
2-72342665
BCAAA agent unexpectedly closes connection with
ProxySG on port 16101 and stops with event id 1403.
87192
2-74324166
DNS service admin appears to not process some requests.
87221
2-74826685,
2-74826699
Page fault in MMS File Worker CD7DC240" in "mms.dll" at
.text+0x17ca7.
87246
2-73080292
Page fault in IM_Admin" in "im.dll" at .text+0x4401.
14
SGOS 4.2.x
Table 5. Fixes in this Release Since SGOS 4.2.5.1 (Continued)
Issue
Service Request
Description
87493
2-76214945
Occasional slowness under load due to MMS Admin doing
blocking DNS lookups on server urls returned by policy, in
order to create a url of the form mms://localhost/file.wmv
if the hostname/IP in the server url resolved to one of SG's
local IPs.
Reverse proxy limitation:
The ProxySG no longer uses the mms://localhost/
file.wmv syntax for caching objects. This optimization was
only useful on reverse proxies, when (multiple) hostname
or IP address in the request URL would all resolve to one of
the ProxySG appliance’s IP addresses.
On upgrade, previously cached objects under a name such
as mms://localhost/file.wmv are not usable. New client
requests that would have previously used the cached copy
now cause the appliance to fetch file.wmv and cache it
under a name such as mms://host_or_ip>/file.wmv,
where host or ip is based on the server URL returned by
policy; it might be the same as the client's request URL.
Known Issues in this Release
Table 6. Known Issues in this Release
Issue
Service Request
Description
58663
NONE
Policy: Delete action doesn’t work on
request.header.Range.
76322
2-41451941,
2-65937201,
2-69918811
"REG: File_target::create returned error 0X00000009 (9). " 0
70000:1 ../Reg_logging.cpp:119. The error is reported if
the registry file cannot be opened for create.
80473
2-47996708,
2-53336042,
2-67129522
Page fault HeC:0xe,SeC:0x0,PFLA:0x4,PFE:0x0,Process
"CAG_Maintenance" in "tcpip.dll"
84783
2-64192190
ICAP X-Authenticated-User is reporting realm
"unknown" for sequence realms.
84871
NONE
SG had (CK_Fatal_error) code 0x20005, registered to
'CF_SCSI_SERVER'. after downloading SG5.2 image.
85097
2-65747233
Page fault in HTTP SW C9DADEC0 for C9FF0EC0" in
"http.dll"
85329
2-66657495,
2-69877725,
2-75734082
Restart in Process "RTSP_WM_Dispatcher" in "Kernel.dll"
at .text+0xA32.
85668
NONE
Page fault at 0x4B8 in Process "RTSP_CDN_Client" in
"rtsp.dll" at .text+0xBB18 while doing content prepopulation.
86135
2-70458020
SG dropping packets outgoing and ignoring incoming
packets.
15
Blue Coat SG Appliance Release Notes
Table 6. Known Issues in this Release (Continued)
Issue
Service Request
Description
86435
NONE
Services Panel does not generate delta CLI on single
service change
86611
2-70456439,
2-72336059
Restart in process "RTSP_WM_Dispatcher" in "rtsp.dll" at
.text+0x62F60
86927
2-71417561
Gigabit passthru card reverting to half duplex even when
switch is set to full duplex.
86988
2-70787922
FTP upload client username and path do not allow a "\"
87005
2-69930343
SG sends CWD command for FTP upload even though
path is empty
87037
2-72604404
Restart: Process "HTTP CW FE169EC0" in
"transformer_dll.dll" at .text+0x8B13
87146
2-72342665
BCAAA crashing with event id 1403 in Novell SSO realm.
87246
2-73080292
page fault in IM_Admin" in "im.dll" at .text+0x4401
87256
2-74491716
If policy decision is to "DENY" the request, socks closes
the connection without sending socks reply message.
87258
2-68036475
Referrer header containing authenticator cookie is being
chopped with icap req mode and origin-cookie-redirect
leading to http 400 response from proxy.
87270
2-72794712
http.response.data test causes a denied socks
87418
2-75683445
Hardware restart at 0x19 in Process "MMS Administrator"
in "mms.dll" at .text+0x2e47.
87439
2-74894991
RTSP Content-Base header re-written to original client
URL instead of header from OCS.
87458
2-73500158
CPU spike and restart apparently caused by increase in
Websense database size.
87593
2-77146467
Software restart at 0x230000, Process
"RTSP_WM_Dispatcher" in "rtsp.dll" at .text+0x63BDA.
Temporary workaround: disable log-forwarding.
Version: SGOS 4.2.5.1, build 29951
Release Date: 8/15/2007
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.3.1, ProxyAV 3.1
Document Revision: 1.2 on 08/20/2007
New in this Release
❐
The SG210 platform is supported.
16
SGOS 4.2.x
❐
Yahoo 8.1 is supported.
❐
The following CPL conditions are now supported in the <forwarding> layer:
❐
•
request.header.header_name
•
request.header.header_name.count
•
request.header.header_name.length
•
client.host.has_name
The Blue Coat Reporter Client is available as an access log custom client. Designed for
the Reporter administrator, the custom client improves the reliability of the
communication channel.
You can access and edit the client by going to the Management Console > Access
Logging > Logs > Upload Client, and selecting Bluecoat Reporter Client from the Client
type drop-down list.
CLI Syntax:
SG#(config) access-log
SG#(config access-log) edit log main
SG#(config log main) bluecoat-client {alternate hostname [port] | no
{alternate | primary}| primary hostname [port]}
Fixes in this Release
❐
Fixed OpenSSL vulnerability VU#724968
❐
In certain cases, DNS lookups were not occurring, but rather being blocked forever.
HTTP requests attempting DNS lookup would similarly become blocked, ultimately
exhausting the SG Appliance’s HTTP proxy service (B#82706, 2-53711556, 2-56416061)
❐
Under certain conditions, the content revalidate CLI command deletes objects
when retrieval is interrupted. (B#83185, 2-51769421)
Table 7. Changes for SG 4.2.5.1 since SG 4.2.4.1, Limited to milestone SG 4.2.5
Issue
Service Requests
Description
61411
2-24323961, 2-28640147,
2-40723116, 2-42220333
MMS via http does not handle 302 HTTP
responses correctly.
62218
NONE
MC: Service Ports New/Edit Dialog has graphic
corruption when navigating through proxies
using up/down keys.
64873
2-29880838
Stream does not play when going to this site
http://www.ndr2.de/pages_special_lib/
0,,SPM7454_CONndr2_TYPreal_LOCint,00.html
due to format in new Helix players.
75656
2-40719281, 2-62296041
Page fault in "TCPIP_stats_server" in "Kernel.dll"
at .text+0x1127 while printing TCP conn table.
76237
2-29982820
Gig interface does not re-establish link after being
disconnected for 90 minutes.
76709
2-41483546
Specific order of executing deletion of failover
group and VIP as batch apply/commit causes
errors.
17
Blue Coat SG Appliance Release Notes
Table 7. Changes for SG 4.2.5.1 since SG 4.2.4.1, Limited to milestone SG 4.2.5 (Continued)
Issue
Service Requests
Description
77862
2-42391570
Page Fault in "CE's DNS Service" in
"ce_admin.dll" at .text+0x34536 Initialize@CEA_DNS_Entry.
77988
2-43312459
MSN 7.5 hangs at login when using HTTP explicit
proxy.
78844
2-44405695
SG doesn't accept Preview size value 0 once user
set non 0 value on GUI
78874
2-44654501,
2-62169745,
2-63003271,
2-64231201,
2-65352951,
2-66214603
79107
2-45583421
CLI and MC: issue creating an ICAP req mode
Service containing "?".
79760
2-42419595
Using a certificate with an umlaut prevents new
certificates from being created.
79849
2-45236672
Surfcontrol log has the same timestamp at the
beginning and at the end in the logs.
79899
2-43922811, 2-65352891,
2-65733091
Software restart at 0x19, in Process "Cache
Administrator" in "ce_admin.dll" at
.text+0x3d300.
80226
2-46407415
Proxy doesn't use server side persistent
connection when reflect_ip is configured.
SR#2-45411515
MSN IM can't transfer file.
80592
2-48411928, 2-63605603
RSTP: Page Fault at 0xFC in RTSP_WM_Client" in
"rtsp.dll" at .text+0x47032.
80791
2-42223071
Unchunk compressed response fails when the
response data is separated from the header
packet.
80871
2-44030453, 2-52090001,
2-61744133
Padding error when connect using SSH to SG.
81702
2-48167834, 2-61401061
In certain conditions, accepted-NotifyUser1
Notify URLs is leaked to the OCS.
81758
2-53120076
The Proxy restarts when the netbios responder is
disabled.
81950
2-53334221, 2-60132606
When OCS sends 0 byte chunk immediately after
the end of 200 ok response and if the ICAP service
is enabled, SG doesn't send 0 byte chunk or last
chunk to the client.
82002
2-61182821
Hardware restart at 0xe in Process "tcpip" in
"tcpip.dll" at .text+0x96F0
80297
2-61961443,
2-62965198,
2-63516011,
2-64941181,
2-65687463,
ICAP Respmod adds "25" to %20 for URLs
containing spaces.
18
SGOS 4.2.x
Table 7. Changes for SG 4.2.5.1 since SG 4.2.4.1, Limited to milestone SG 4.2.5 (Continued)
Issue
Service Requests
Description
82008
2-53779501
Local user-list not deletable after restore-defaults.
82073
2-53797481
Kerberos credentials configuration in IWA realm
is not shown in "show configuration".
82473
2-62278641, 2-64923381
Sequence Realms With Policy Substitution fall
back.
82505
2-53339751
The agent address in SNMP trap is different from
the source-ip of the trap.
82666
2-55753799
Page Fault at 0xdfcf6ff0 in Process "LDAP Worker"
in "tcpip.dll" at .text+0x10fd9.
82737
2-54486262
IM Proxy increases content-length when receiving
extra bytes from client.
82887
2-55738061, 2-57291481,
2-64675371
Watchdog timeouts caused by large number of
"time=" policy re-evaluation.
83059
2-55748680
MC Maintenance > Licensing > View: It is unclear
when trial component is disabled.
83208
2-54773895, 2-59511735,
2-59580118, 2-59580201
Restart at Process "Idler 0" in "Kernel.dll" at
.text+0x20ED5.
83241
2-54527505
In upload FTP client, "Error encountered while
committing changes to the proxySG" prompt
when password starts with an "!".
83358
2-58949931
Proxy sends 503 responses to the client when
persistent connections are closed.
83533
2-59407211
Page Fault at 0x70656363 in Process "AgentAdmin-coreid_www2_form_de" in
"authenticator.dll" at .text+0x30E0E.
83575
2-59605290, 2-60244061,
2-61204641, 2-62321671
SG reports high worker count and high CPU
when using Smartfilter.
83673
2-57488701
BCAAA Solaris: SG closes connection to BCAAA
when authenticating a user.
83717
2-60666821
SG sends out ARP request instead of forwarding
to default gateway when destination IP is in
bypass list in WCCP setup.
83899
2-60595744, 2-63798611
Software restart at 0x5B0000 in Process
"Threshold_Monitor" in "Threshold_monitor.dll"
at .text+0x897.
83900
2-60966901
Client Negotiated and Server Negotiated objects
cannot be negated in VPM.
83981
2-58429256
In rare occasions, the BCAAA faults (memory
exception: 0xc0000005).
19
Blue Coat SG Appliance Release Notes
Table 7. Changes for SG 4.2.5.1 since SG 4.2.4.1, Limited to milestone SG 4.2.5 (Continued)
Issue
Service Requests
Description
84009
2-59770981
Specific IPs on client and SG VIP cause TCP
checksum errors.
84024
2-61804941
Software restart at 0xFFFF0001 in Process "PDW
t=157424186 for=10D8380 " in "transactions.dll".
84152
2-62321031
FTP through HTTP proxy ignores reflect_ip(vip)
policy.
84158
2-61960283
IM: MSG messages larger than 4096 bytes are not
supported.
84311
2-62146651
SSH deadlock with high volume sessions.
84424
2-57126527, 2-63829151
Category objects can't be renamed in VPM.
84506
2-64186439
Certification with wildcard domain
*.telindus.com fails with certification domain
invalid.
84575
2-62722281
In transparent deployments, if packets are
redirected to SG by a layer 4 switch, IP fragments
get dropped.
84649
2-61537566
Primary weight configuration only works on
interface 0:0.
84712
2-64386380
Proxy SG strips off the response headers when
OCS sends http/1.02 version.
84777
2-64943721
Time object and "only between the following
times of day" changes to "00:00".
84868
2-64086501
Page fault in Process "CLI_Worker_1" in
"registry.dll" at .text+0x1643F when deleting a
local realm.
84873
2-65116383
If an empty alt-text statement is defined within an
html image tag in a Notify-User definition, the
2nd quote mark is moved to after the closing
bracket of the tag.
84883
2-65355291
Restart in Process "AOL IM Worker 84EB83C" in
"im.dll" at .text+0x11be5.
84946
2-65437475
Software restart at 0x230000 in Process
"RTSP_Recorder" in "rtsp.dll" at .text+0x1F0EE.
84962
2-65256120
Watchdog timer expired on reboot after running
heavy load.
84976
2-65794651, 2-66452914
Seeing hardware registration page even though
the hardware is registered.
85105
2-61034391
MC Display issue - Licensing page is unreadable if
browser window is resized too small.
20
SGOS 4.2.x
Table 7. Changes for SG 4.2.5.1 since SG 4.2.4.1, Limited to milestone SG 4.2.5 (Continued)
Issue
Service Requests
Description
85377
2-65572621
DNS Proxy intermittently not responding to DNS
request.
85549
2-64862223
The network adapter LED color is not shown on
Web Console.
85603
2-66671506
XML Realm can not be deleted if unresolvable
URL entered for Primary & Alternate responders.
85728
2-66349421
WM-RTSP: "a=control:" SDP attribute is not
properly rewritten when the url path has a trailing
'/'.
Known Issues in this Release
Table 8. Known Issues for SGOS 4.2.5.1
Issue
Service Request
Description
84458
2-62287610
Restart in Process "Threshold_Monitor" in
"Threshold_monitor.dll" at .text+0x897.
84779
2-64104541
In certain conditions SNMP doesn't send trap when SG restart.
84783
2-64192190
ICAP X-Authenticated-User is reporting realm "unknown" for
sequence realms.
84815
2-64217521
SSL proxy: Connect request to port 8613 returns 200 ok with
specific policy instead of 403.
85094
2-65123331
Restart in Process "DNS Service worker" in "ce_admin.dll" at
.text+0x38072.
85329
2-66657495
Restart in Process "RTSP_WM_Dispatcher" in "Kernel.dll" at
.text+0xA32.
85601
2-65572781
Management Console advanced URL links do not work with IE.
85721
2-64103801
Siteminder sharing of credentials during a user request loop.
Version: SGOS 4.2.4.1, build 29063
Release Date: 5/21/2007
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.2.2 and Reporter
8.3.1, ProxyAV 2.4 or ProxyAV 2.5
Document Revision: 1.12 on 05/21/2007
New Features in this Release
❐
Two new hard drives—80GB model SEAGATE ST380215A-3.AAC and 250GB model
SEAGATE ST3250820A-3.AAE— are supported on the 200 platform.
❐
Vista support.
❐
“XML Realms” on page 41.
21
Blue Coat SG Appliance Release Notes
❐
MSN/Windows Live Messenger supports HTTP explicit proxy authentication. Note
that the SG appliance must be configured to use HTTP ProxyAuth code 407, not HTTP
auth code 401.
❐
The Management Console behavior for enabling or disabling the trial period has
changed. Now, if the trial period is enabled and you click Maintenance > Licensing >
View, the Management Console displays a check box to disable the trial period. If the
trial period is disabled, the Management Console displays a check box to enable the
trial period.
Fixed in this Release
❐
Open SSH security vulnerability (SA22091)
.
Table 9. Fixes in SG 4.2.4.1 since SG 4.2.3.26
Issue
Service Request
Description
54041
2-29385111, 2-40673545,
2-41925015, 2-45114850,
2-50877469, 2-51209059,
2-57161599
In some conditions, the proxy closes the
server side connection abruptly.
64604
2-22626101
SGRP packets are not being sent on the
correct interface.
65022
2-41319326, 2-41647529,
2-43986259
WCCP interface setting: “sho wccp
config” does not reflect correct settings.
77553
2-42892256, 2-43291481,
2-47601911, 2-48162031,
2-48332918, 2-48577190,
2-51354572, 2-52086872,
2-53333421
Getting HTTP 500 errors for certain
URLs when performing ICAP Respmod.
78145
2-44243521, 2-51653181
Notify User - Compliance page does not
show authenticated username.
78746
2-43629103
In some rare occasions, the proxy closes
the connection when the client has not
sent all data.
80166
2-47044731, 2-48165121,
2-50824423
Yahoo IM: Page Fault at 0x2 in
“tcpip.dll” at .text+0x129AB.
80355
2-47031521, 2-47166591
Page fault at 0x44 Process
“CLI_Worker_2” in “registry.dll” at
.text+0x1642F when deleting sequence
realm.
80637
2-47409170
MC: Cannot create more than 100
services.
81011
2-44015441
Page fault at 0xC3CCB824 n “MSN IM
Worker 4E3AE374” in “shared_dll.dll” at
.text+0x12E73 - _Internal_write().
81759
2-53011334
DOC: Incorrect example on page 517 of
4.2.3 CMG (replaced ‘proxy’ with
‘cache’).
22
SGOS 4.2.x
Table 9. Fixes in SG 4.2.4.1 since SG 4.2.3.26 (Continued)
Issue
Service Request
Description
82059
2-53676686
Page fault at 0x1E0 in Process
“RSTP_WM_Dispatcher” in “rtsp.dll” at
.text+0x4B174.
82091
2-53867755, 2-54773823,
2-57806712
Page fault in Process “DNS Service
worker” in “tcpip.dll” - dn_skipname().
Known issues in this Release
See the following table for information on known issues.
Table 10. Known issues for SG 4.2.4.1
Issue
Service Request
Description
77862
2-42391570
Page fault in “CE’s DNS Service” in
“ce_admin.dll” at .text+0x34536 Initialize@CEA_DNS_Entry.
78844
2-44405695
MC: does not accept a preview size value of
0 once set to a non 0 value.
78874
2-44654501
ICAP Respmod adds “25” to%20 for URLs
containing spaces.
80592
2-48411928
RSTP: Page fault at 0xFC in
RTSP_WM_Client” in “rtsp.dll” at
.text+0x47032.
81758
2-53120076
The proxy restarts when the netbios
responder is disabled.
81759
2-53011334
DOC: Incorrect example on page 517 of
4.2.3 CMG (replaced ‘proxy’ with ‘cached’).
82008
2-53779501
Local user-list not removable after restoredefaults.
83185
2-51769421
In some cases and under certain conditions,
the content revalidate command deletes
objects when retrieval is interrupted.
83208
2-54773895
Restart at Process “Idler 0” in “Kernel.dll”
at .text+0x20ED5.
83358
2-58949931
Proxy sends 503 responses to the client
when persistent connections are closed.
Version: SGOS 4.2.3.26, build 28839
Release Date: 4/23/2007
BCAAA Version: 120
23
Blue Coat SG Appliance Release Notes
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.2.2, ProxyAV 2.4 or
ProxyAV 2.5
Document Revision: 1.11 on 04/20/2007
Fixed in this Release
❐
Fixed a known issue that may occur under certain conditions where an SG appliance
with AV configured, with the system under high load and experiencing client to SG
network disconnects, with either bandwidth gain enabled or a high proportion of noncacheable objects, the SG may restart or hang with the SG unable to transfer data to the
AV.
❐
WM-RTSP: Bad Request responses for streaming requests due to the modification of
the “a=control” attribute in the RTSP response (B#81666, SR 2-48931681, SR2-50624468,
SR2-54103181).
❐
If you’re getting HTTP 500 errors for certain URLs when doing ICAP Respmod, you
must reinitialize the SG appliance drives. Back up the system configuration before
proceeding. (B#77553 SR 2-42892256, 2-43291481, 2-47601911, 2-48162031, 2-48332918,
2-48577190, 2-51354572, 2-52086872, 2-53333421)
Limitations
For a list of limitations with SGOS 4.2.3.x, see “Section B: Limitations” on page 48.
Version: SGOS 4.2.3.21, build 28657
Release Date: 3/29/2007
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.2.2, ProxyAV 2.4 or
ProxyAV 2.5
Document Revision: 1.10 on 03/26/2007
New in this Release
❐
Streaming-Speed Pre-population. SGOS 4.2.3.x supports Windows Media (WM) RTSP
streaming, including live splitting and VoD caching. With SGOS 4.2.3.20, Blue Coat
adds support for using RTSP to pre-populate WM streaming files from origin WM
servers. This allows later RTSP requests from WM clients for the pre-populated content
to be served from the cache as long as the file does not change on the origin WM server.
The existing content CLI command set for content pre-population is also used for WM
pre-population. Use appropriate rtsp:// url to specify the content to be cached. For
example:
# (config) content distribute rtsp://domain.com/file.wmv.wmv
Limitations
❐
Pre-population of WM streaming files from HTTP web servers is not yet supported.
❐
Pre-population of authenticated content is not supported.
24
SGOS 4.2.x
Fixes in this Release
Note: Because of fixes to the BCAAA service, Blue Coat recommends that you
upgrade to the latest version of BCAAA.
Table 11. Changes Since SGOS 4.2.3.12
Issue
Service Request
Description
59694
2-41723362
BCAAA: Failure to spawn connection child
terminates parent listener
60810
2-26278610, 2-39850120,
2-41663382
Page Fault in "tcpip" in "tcpip.dll" at .text+0x14A8A
- Scatter_gather_copy().
61832
2-27573631, 2-30875653,
2-42809161, 2-44453421,
2-45812481
ProxySG goes into acceptance regulation due to
leakage of transactions when using Yahoo IM.
63621
2-30763523
Software restart at 0x4001C in Process "HTTP CW
EE9D2F20" in "ce_admin.dll" at .text+0xAB2.
64756
2-38946121, 2-41631071,
2-41684897
BCAAA sporadically restarts when using Novell
SSO.
64920
NONE
MC-IE7.0: in Statistics-->Advanced page second
Java pop up asking for username and password.
65077
2-40154607
ProxySG does not send 307 for origin redirect for
IE7.
75830
NONE
Delay installing VPM under load when "time"
under web access layer is selected.
75934
2-40824681
Data retransmitted after connection with client
already closed.
76185
2-47471888
810 Internal nics sometimes get corrupted data.
76520
2-41639451
Problems logging on to msn 7.5 when pac file
configured to be served from a vip.
76523
2-41257009
notify-NotifiedUser cookie is sent to the OCS along
with the request.
76678
2-30315287, 2-30325015
Authentication cookie not being set when ICAP
reqmod is processed.
76693
2-30010071
Site can't be accessed after hex-encoded strings are
decoded.
76920
2-38633231
Restart in Process "HTTP CW C4B2AF20" in
"cfssl.dll" at .text+0x1F3CD
77622
2-42696481
Page Fault in Cag_worker in "shared_dll.dll" at
.text+0x5D1B when uploading system image.
77649
2-42779391, 2-43632041,
2-43632605
snmp get for ifnumber.0 only returns 1 interface.
25
Blue Coat SG Appliance Release Notes
Table 11. Changes Since SGOS 4.2.3.12 (Continued)
Issue
Service Request
Description
77681
2-42419581,
2-43220623,
2-44655841,
2-45133211,
2-47326320,
2-48326750,
2-48463781,
2-48902531,
Software restart in Process "Threshold_Monitor" in
"Threshold_monitor.dll" at .text+0x897 - due to
Cache Block leakage.
77903
2-42696621
Page Fault at 0x492791A0 - "DNS Service worker" in
"Kernel.dll" at .text+0x4590.
77904
NONE
HTTP proxy drops "WWW-Authenticate:
Negotiate" in an HTTP response when OCS requires
Kerberos authentication.
77937
2-41761670, 2-43365531,
2-44099571, 2-44120532,
2-46770581, 2-47072494
Page Fault in "tcpip" in "" at .text+0x0 - rtalloc1().
77996
2-42424921
Page fault at 0x1472C000 in Process "Policy Import
Worker - AFL" in "shared_dll.dll" at .text+0x1EEA7
(policy enforcement).
78037
2-43483977
VPM: Individual LDAP realms cannot be selected
in "Add Attribute Object".
78350
2-42425828
BCAAA : software exception at c0000005 after
upgrading to 4.2.3.4.
78569
NONE
Page fault due to malformed DNS query over TCP .
78599
2-43922321
Server-side keep-alive (OPTIONS *) packet causes
the proxy to stop serving traffic to the client.
79183
2-45450651, 2-45529848,
2-45829171, 2-46133943,
2-47468207, 2-48165041
MC unresponsive due to problems opening object.
79204
2-48314240
Page fault at add_host@af_neighbour_manager in
af_neighbours.cpp.
79710
2-45413286
PF in Process "Yahoo IM Worker 95C993A0" in
"im.dll" - Remove_active_session_id()
80259
2-40375564, 2-44184345,
2-46921446
Page fault at 0x5 in Process "tcpip" in "tcpip.dll" at
.text+0x60E2A .
80340
2-46647694, 2-46648861,
2-46859481, 2-47749131,
2-47996751, 2-48007528
Software restart at 0x19 in Process "SCSI Disk
6712:0:6" in "Kernel.dll" at .text+0xdec1.
80545
2-47124655
"Show Me" button in SG4 Maintenance -> Upgrade
page point to SG5 download site.
80810
2-48745999
SG8100 hangs with certain interface configuration
and SNMP enabled.
2-43162349,
2-43414074,
2-44970450,
2-46190771,
2-48206615,
2-48339871,
2-48471891,
2-48902861
26
SGOS 4.2.x
Table 11. Changes Since SGOS 4.2.3.12 (Continued)
Issue
Service Request
Description
80870
2-48914082
Hardware restart in Process "MSN IM Worker
8A104A3C" in "im.dll" at .text+0x3BC07.
Known Issues in this Release
A known issue may occur under certain conditions where an SG appliance with AV
configured, with the system under high load and experiencing client to SG network
disconnects, with either bandwidth gain enabled or a high proportion of non-cacheable
objects, the SG may restart or hang with the SG unable to transfer data to the AV. This
issue is fixed in SG 4.2.3.26.
Table 12. Known Issues
Issue
Service Request
Description
76097
2-29385111, 2-40673545,
2-41925015, 2-45114850
Software restart at 0x19 in "HTTP CW" in
"Kernel.dll" at .text+0x925C.
76707
2-40684441
Purge-dns-cache not reflected in CE/DNS/Info/
URLs.
76739
2-41186231, 2-41834886
Page Fault in Process "OPP_Worker C418FCB8"
in "opp.dll" at .text+0x207B0.
77553
2-42892256, 2-43291481,
2-48162031, 2-48332918
Getting HTTP 500 errors for certain URLs when
performing ICAP Respmod.
77862
2-42391570
Page Fault in "CE's DNS Service" in
"ce_admin.dll" at .text+0x34536 Initialize@CEA_DNS_Entry.
78145
2-44243521
Notify User - Compliance page does not show
authenticated username.
78844
2-44405695
MC: doesn't accept a preview size value of 0 once
set to a non 0 value.
78874
2-44654501
ICAP Respmod adds "25" to %20 for URLs
containing spaces.
79404
2-44961061
When enabling RESPMOD, cached JPG files are
not refreshed when a PNC header is received.
79849
2-45236672
Surfcontrol log has the same timestamp at the
beginning and at the end in the logs.
80166
2-47044731
Yahoo IM: Page Fault at 0x2 in "tcpip.dll" at
.text+0x129AB.
80226
2-46407415
Proxy doesn't use server side persistent
connection when reflect_ip is configured.
80480
2-47393631
Software restart at 0x19 MMS File Worker" in
"mms.dll" at .text+0x177ed -Unblock_clients_on_error().
80637
2-47409170
MC: Cannot create more than 100 Services.
27
Blue Coat SG Appliance Release Notes
Table 12. Known Issues (Continued)
80724
2-47031521
Cannot clear/remove realm in sequence realm
after upgraded to SGOS 4.2.3.
80789
2-48165121
Yahoo IM Page Fault at 0x50 in Process "tcpip" in
"tcpip.dll" at text+0x12a4a
80791
2-42223071
Unchunk compressed response fails when the
response data is separated from the header
packet.
80871
2-44030453
Padding error when connect using SSH to SG.
61411
2-24323961, 2-28640147,
2-40723116, 2-42220333
MMS via HTTP does not handle 302 HTTP
responses correctly.
64873
2-29880838
Stream does not play when going to this site
http://www.ndr2.de/pages_special_lib/
0,,SPM7454_CONndr2_TYPreal_LOCint,00.html
65022
2-41319326, 2-43986259
"show wccp config" does not reflect correct
settings.
75656
2-40719281
Page fault in "TCPIP_stats_server" in "Kernel.dll"
at .text+0x1127 while printing TCP conn table.
76237
2-29982820
Gig interface does not re-establish link after
being disconnected for 90 minutes.
76709
2-41483546
Specific order of executing deletion of failover
group and VIP as batch apply/commit causes
errors.
79899
2-43922811
Software restart at 0x19, in Process "Cache
Administrator" in "ce_admin.dll" at
.text+0x3d300.
Doc Errata in this Release
Configuration and Management Guide
SNMP Traps: The documentation states that failed attempts to login to the SG appliance
are logged. In actuality, this trap is used with SNMPv2 only when an SNMP packet is
received with an invalid community name. (B#79575, 2-42751311)
Content Policy Language Guide and Configuration Management Guide
IM: Policy condition im_method= indicates it has values of send_unknown and
receive_unknown. This is incorrect. The values are unknown_send and unknown_receive.
(B#79863)
Version: SGOS 4.2.3.12, build 28131
Release Date: 2/08/2007
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.2.2, ProxyAV 2.4 or
ProxyAV 2.5
Document Revision: 1.09 on 02/08/2007
28
SGOS 4.2.x
New in this Release
❐
Daylight Savings Time change (DST). The appliance software has been modified to
include new rules for DST. Additionally, all timestamps, which are recorded in
Coordinated Universal Time (UTC), are processed differently so that local time
displays correctly. The Management Console has been modified to include a more
comprehensive time zone selection. To enable flexibility, time zone selection can be
associated with an open source time zone database that can be updated at your
discretion. The time zone database is not required to set the appliance to UTC.
Fixes in this Release
❐
Blue Coat appliance is hanging due to registry write lock (B#64009, 2-29712361).
❐
Restart in Process MSN IM Worker 5D678374 in im.dll at .text+0x2AF71 (B#75691,
2-40189417, 2-40606401, 2-41134166, 2-41301688, 2-41445974, 2-42530691).
❐
Page Fault in "IM_Admin" in "im.dll" at .text+0x4451 (#75904, 2-40836381).
❐
Page Fault in Process in "AOL IM Worker 13CF8DC0" in "im.dll" at .text+0x226E7
(B#76168, 2-41448021, 2-41448401, 2-42121041).
❐
In certain conditions, proxy notify requests are being sent to the OCS causing an access
error (B#76462, 2-41623641, 2-41631551, 2-42015053).
❐
Relative paths in URLs are incorrectly re-written (as part of the URL normalization
process) (B#76637, 2-41452001).
❐
Bypass list entries missing from text editor, present through CLI or Management
Console view button (B#76910, 2-41852453, 2-42189871, 2-42590242, 2-42601647).
❐
Restart in process "HTTP SW C3EDDF20 for C41B1F20" in "shared_dll.dll" at
.text+0x1BE94 (B#77254, 2-42092317, 2-42092366, 2-43038791, 2-43461021).
❐
CAG: MC post CLI interface fails due to object open failures (B#75744, 2-42765975, 242809501, 2-43291921, 2-43444902, 2-43461583, 2-43485043, 2-43537741, 2-44040032, 244284210, 2-44490471).
Doc Errata
Configuration and Management Guide
❐
Page 505, Chapter 11: External Services, Section A: ICAP states:
"The number of seconds the ProxySG waits for replies from the ICAP server. The range
is 60 to 65536. The default timeout is 70 seconds."
The actual range is 1 to 65536.
❐
Page 728, Chapter 16: Streaming, Section A: About Streaming Media, states:
“Using the content pull CLI command, content is downloaded from the HTTP
server and renamed with a given URL argument.”
The content pull command has been replaced with content distribute.
❐
Page 869, Chapter 20: Access Logging, Section H: Configuring the Upload Schedule,
states:
“If the remote server is unavailable to receive continuous upload log entries, the
ProxySG saves the log information on the ProxySG disk. When the remote server is
available again, the appliance resumes continuous uploading.”
29
Blue Coat SG Appliance Release Notes
This is misleading. When the data stream is interrupted, the log files are held on the
proxy’s hard disk. When the stream is restarted, logs held on the hard disk drive are
not sent.
❐
Content Policy Language: Page 305: Syntax is incorrect. In the ssl.forward_proxy( )
property, the reference should be to HTTPS rather than HTTP.
ssl.forward_proxy(no)
ssl.forward_proxy(https)
ssl.forward_proxy(https, always) ; synonym for
ssl.forward_proxy(https)
ssl.forward_proxy(https, on_exception)
Version: SGOS 4.2.3.7, build 27640
Release Date: 12/07/2006
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.2.2, ProxyAV 2.4 or
ProxyAV 2.5
Document Revision: 1.08 on 01/25/2007
Enhancements
❐
Support has been added for Japanese MSN 7.5 IM.
Fixes in this Release
❐
Openssl vulnerability fix regarding SSL_get_shared_ciphers() and buffer overflow.
(B#75441, 2-40317861, 2-40800251)
❐
Management Console: SNMP default value misinterpreted by Management Console:
SNMP displays as enabled when it is actually disabled (B#76084, 2-41320375)
❐
Page corruption when using the strip active content rule. (B#64947, 2-39845481, 239852501, 2-40007276, 2-41186476, 2-41322098)
❐
The use of rarely used four-bytes in the ASF packet header causes the proxy to restart
when running audio live streams. (B#75915, 2-40193586)
See Page 34 for other fixes.
Version: SGOS 4.2.3.4, build 27548
Release Date: 11/27/2006
BCAAA Version: 120
Compatible with: Director SGME 4.2.x or SGME 5.1.3.x, Reporter 8.2.2, ProxyAV 2.4 or
ProxyAV 2.5
Document Revision: 1.04 on 11/27/2006
New Features in SGOS 4.2.3.4
❐
Authentication:
•
"Novell SSO"
•
"Policy Substitution Realm Enhancements"
•
"Windows SSO SGOS 4.2.3.4 Enhancements"
30
SGOS 4.2.x
❐
Content Filtering:
•
"Content Filtering Enhancements"
•
"BCWF Dynamic Categorization Proxy Chaining"
❐
“Director Support for Health Monitoring”
❐
"Health Monitoring"
❐
"Management Console/VPM Design Changes"
❐
"Permeo SOCKS Client"
❐
"Platform Support for SG510, SG810, and SG8100"
❐
"Windows Media RTSP Support"
Known Issues in this Release
❐
“Known Issues with Management Console and VPM Design Changes” on page 61
❐
See Page 32 for other known issues.
Fixes in this Release
❐
CLI: Show interface all output now displays the correct information when the
interface is set for full duplex and 10Mbps. Numerous changes have been made to the
CLI; this bug no longer is an issue. (B#57104)
❐
See Page 31 for Fixes regarding the Management Console and VPM Design Changes.
❐
See Page 34 for other fixes.
Version: SGOS 4.2.2.2, build 26403
Release Date: 07/07/2006
BCAAA Version: 110
Compatible with: Director SGME 4.x/Reporter 8.2.2/ProxyAV 2.4 or ProxyAV 2.5
Document Revision: 1.01 on 07/07/2006
New Features in SGOS 4.2.2.2
❐
"Access Logging Enhancements"
❐
Authentication: "Windows Single Sign-on"
❐
Content Filtering:
•
"Internet Watch Foundation"
•
"Partial Lookup"
❐
Policy: "SGOS 4.2.2 Enhancements"
❐
SSL Proxy:
•
"SSL Proxy Default Mode of Operation"
•
"SSL Detection"
•
"SSL Interaction with Reporter"
31
Blue Coat SG Appliance Release Notes
Version: SGOS 4.2.1.2, build 24604
Release Date: 01/18/2006
BCAAA Version: 100
Compatible with: Director SGME 4.2/Reporter 8.2.2/ ProxyAV2.4 or ProxyAV 2.5
Document Revision: 1.00 on 01/18/2006
New Features in SGOS 4.2.1.2
❐
"Apparent Data Type"
❐
Authentication:
•
"RADIUS Enhancements"
•
"IWA/Kerberos Support"
❐
"Certificate Revocation Lists"
❐
"Health Checks Timeout"
❐
"HTTP Changes"
❐
"ICAP Performance Enhancements"
❐
"Internationalization--General Support"
❐
"Licensing Behavior Changes"
❐
"Policy Enhancements"
❐
"Protocol Detection"
❐
"Root CA Certificates"
❐
"SSL Proxy"
New Features in SGOS 4.2.x
Access Logging Enhancements
Two new formats —bcreportermain_v1 and bcreporterssl_v1--have been added to
supported interaction with Reporter. If you are using SSL, you should use the
bcrereporterssl_v1 format, which does not reveal private or sensitive information.
Apparent Data Type
This feature, used through policy, identifies data content associated with Microsoft DOS
and Windows executable files. When used in a deny policy, drive-by installation of
spyware is blocked. File types that are blocked include:
❐
*.exe
❐
*.dll
❐
*.OCX
❐
*.CAB
32
SGOS 4.2.x
Certificate Revocation Lists
Certificate Revocation Lists (CRLs) allow checking server certificates against lists
provided and maintained by Certificate Signing Authorities that show certificates that are
no longer valid. Only CRLs that are issued by a trusted issuer can be verified by the
ProxySG successfully. The CRL can be imported only when the CRL issuer certificate
exists as CA certificate on the ProxySG.
Content Filtering Enhancements
❐
Internet Watch Foundation
(New in SGOS 4.2.2) The Internet Watch Foundation (IWF) is a non-profit organization
that provides to enterprises lists of known child pornography URLs. The IWF provider
features a single category called IWF-Restricted, which is susceptible to policy checks.
During content filtering configuration, you can select this option; then create policy to
block this category.
❐
Partial Lookup
(New in SGOS 4.2.2) You can disable dynamic categorization of content filtering
vendors. The default is Always, which indicates that any installed database should be
consulted on every categorization attempt. Uncategorized indicates that installed data
should be skipped if the URL already has categories assigned.
❐
BCWF Dynamic Categorization Proxy Chaining
(New in SGOS 4.2.3) The ProxySG allows you to forward Dynamic Categorization
requests through upstream proxies and SOCKS gateways, which eliminates the
requirement for the ProxySG to have direct connection to back-end servers.
Director Support for Health Monitoring
Platforms running SGOS 4.2.3.4 can be monitored for health status by Director 5.1.x. Each
individual health monitored statistic maintains a last transition time that is set
whenever that statistic changes state. The most recent time represents the last time a state
transition occurred on the appliance. Note that this is not the same as the last time the SG's
overall state changed.
Health Checks Timeout
Fail-over times in many circumstances have been reduced.
Health Monitoring
The health monitoring feature enhances the remote monitoring capabilities of the
ProxySG. By monitoring key hardware and software metrics, Director (and other thirdparty network management tools) can provide administrators with a remote view of the
health of the ProxySG system.
To facilitate prompt corrective action, notification can be configured for threshold
“events.” For example, an administrator can configure a threshold so that an e-mail or
SNMP trap is generated when the threshold state changes. Additionally, many of the
threshold levels are configurable so that you can adjust the thresholds to meet your
specific requirements.
33
Blue Coat SG Appliance Release Notes
HTTP Changes
SGOS 4.2.2 contains better HTTP response header parsing support.
This enhancement eliminates the limitations of previous releases:
❐
Response headers that are larger than approximately 8 KB were not parsed.
❐
Length of any individual header cannot be larger than 8 KB.
❐
Only up to 125 response headers were parsed.
❐
Response header continuation was not supported.
❐
HTTP compression level can now be controlled by policy.
ICAP Performance Enhancements
The max-cache-size dependency for scanning has been removed, resolving a number of
issues surrounding patience pages and improving performance. Among them:
❐
When the HTTPS proxy was enabled, the patience page did not show the progress
correctly.
❐
If a cached object contained a virus and was sent for a rescan, ProxySG still served it.
❐
Requests to some HTTPS sites were resulting in a 400 BAD request.
❐
The ProxySG gave a "Connection failure" error page for ICAP 500 Server error
responses.
❐
The ProxySG crashed when ICAP worker creation failed while scanning cached
content.
❐
Certain non-cacheable file sizes were not served when the patience page was enabled.
❐
The ProxySG was not maintaining persistent connections to the ICAP server.
❐
ICAP health checks were always failing with response timeout.
❐
FAIL_OPEN for scan_cached_object case did not work.
❐
A patience-page loop existed as expires headers set in the past overrode the four-hour
expiration on non-cacheable objects.
Internationalization--General Support
For management interfaces, the only character encodings supported are ASCII and UTF-8.
(ASCII is a subset of UTF-8.) This affects the CLI, the encoding of CPL source files,
exception pages, and access logs. Libraries such as Shift-JIS and Big5 (Chinese) are not
supported.
For proxy network traffic (such as HTTP requests from a client workstation and instant
messaging), a variety of different character encodings are supported, including Shift-JIS
and Big5 (Chinese).
Generally speaking, the Blue Coat internationalization feature provides support for:
❐
Non-ASCII user names, group names and passwords (in the most common cases
only).
❐
Exception pages.
❐
Non-ASCII instant messaging (in the common cases only).
❐
Director.
34
SGOS 4.2.x
❐
Reporter (Reporter v7.1.3 and higher).
SGOS 4.2.2.1 supports general international character support for non-English AOL and
MSN IM clients. Yahoo non-English clients are not supported.
Features:
❐
General messaging using non-ASCII characters.
❐
CPL/VPM policy specified with non-ASCII text field names are supported, with
exception that VPM-CPL and VPM-XML files must be encoded for UTF-8.
❐
CPL/VPM policy with non-ASCII text matching and replacement is expected to work.
❐
CPL/VPM policy with non-ASCII text triggers for file transfer file names and chat/
conference rooms are not supported with SGOS 4.2.2.x for AOL and Yahoo.
❐
CPL/VPM policy with non-ASCII text triggers for file transfer file names and chat/
conference rooms are expected to work with MSN.
❐
Non-ASCII text fields are supported for Access Log outputs.
IWA/Kerberos Support
Support for Kerberos and Integrated Windows Authentication (IWA), replacing NTLM as
an authentication realm where appropriate.
Limitations
❐
Do not set cache credentials to 0. This does not work properly in NTLM/IWA realms.
Licensing Behavior Changes
You can now disable the trial period through either the Management Console or the CLI.
Disabling the trial period causes unlicensed ProxySG features to stop working.
Management Console/VPM Design Changes
General
As a result of design changes among Blue Coat products, you can now:
❐
Change all panels on the Management Console before applying changes.
❐
Preview pending changes.
Other changes include:
❐
Installable lists are done using a Java editor within the Management Console..
❐
Advanced URL are displayed using Java editor within the Management Console.
❐
The Management Console logs out when connectivity lost with the ProxySG.
The Management Console depends upon the CLI for validation failure. If something
failed during the Apply operation, a window displays with the CLI command output
including any error or informational messages.
The VPM module is no longer an independent application, but is an integral part of the
Management Console. For example, when creating User/Group objects, VPM previously
would fetch realms directly from the ProxySG; now that information comes from the
Management Console. For a list of known issues and workarounds, see “Known Issues
with Management Console and VPM Design Changes” on page 61.
35
Blue Coat SG Appliance Release Notes
VPM
The VPM shares information in various lists from the current configuration in the
Management Console, not the saved ProxySG configurations. When the VPM is launched
from the Management Console, it inherits the state of the Management Console and
remains synchronous with that Management Console. This state includes configuration
changes that have not yet been applied or reverted. This does not include any changes
made through the CLI. When you click Apply in the Management Console, the
configurations are sent to the ProxySG; the Management Console and the VPM then
become synchronized with the ProxySG.
For example, the ProxySG has two ICAP response services installed, A and B. In the
Management Console, you remove service B, but do not click Apply. You then start the
VPM and view the ICAP Response Services object. Only service A is viewable and
selectable.
Another consequence of this new behavior is that VPM does not fetch forwarding host
information after the initial application load. Clicking Revert in the Management Console
synchronizes the Management Console with the current state in the Blue Coat SG.
Following are the lists the VPM obtains from the Management Console:
❐
Access Log fields.
❐
Authentication character sets.
❐
Authentication realms.
❐
Bandwidth gain classes.
❐
Categories.
❐
Exceptions.
❐
Forwarding hosts. Note that the VPM does not fetch forwarding host information after
being launched.
❐
ICAP request and response services.
❐
Keyrings.
❐
SOCKS gateways.
❐
Websense filter services.
For a list of known issues and workarounds, see “Known Issues with Management
Console and VPM Design Changes” on page 61.
Novell SSO
The Novell® Single Sign-on (SSO) realm is an authentication mechanism that provides
single sign-on authentication for users that authenticate against a Novell eDirectory®
server. The mechanism uses the Novell eDirectory Network Address attribute to map the
user's IP address to an LDAP FQDN. Since the mechanism is based on the user's IP
address, it only works in environments where an IP address can be mapped to a unique
user.
Notes
❐
The Novell SSO realm works reliably only in environments where one IP address
maps to one user. NAT environments are not supported.
❐
Novell SSO realms are not supported in IPX environments.
36
SGOS 4.2.x
❐
Upgrade to Novell client 4.91 SP1 or later if you experience issues with the Network
Address attribute not being updated during login.
❐
Novell SSO realms do not use user credentials so they cannot spoof authentication
information to an upstream server.
❐
If an upstream proxy is doing Novell SSO authentication, all downstream proxies must
send the client IP address.
❐
There can be response time issues between the BCAAA service and the eDirectory
servers during searches; configure the timeout for LDAP searches to allow the
eDirectory server adequate time to reply.
❐
The BCAAA service that supports Novell SSO is version 120.
Permeo SOCKS Client
The Blue Coat ProxySG can be used as a SOCKS gateway by the Permeo Premium Agent
(PA), with full licensing support and Dynamic Port Management (DPM) functionality.
The ProxySG supports the Windows Permeo PA SOCKS client version 5.12a, including
those that require the special probe license protocol and corresponding customer ID. Note
that each ProxySG can only support PA clients with the same customer ID.
Platform Support for SG510, SG810, and SG8100
Three new platforms are supported: The SG510 the SG810, and the SG8100.
System image management has been changed on these platforms to enable future
upgrades to our next generation operating system.
Along with a number of engineering improvements, visible changes include:
❐
True system view—Starter displays the set of images that exist across all installed
drives. In the legacy Starter only the images on the boot drive are displayed.
❐
Fault tolerance—Failure to load a particular image from one disk triggers an attempt
to load the same image from a different disk. If all instances of the image fail to load,
the next most recent image is loaded.
❐
Dynamic slot assignments— Instead of images being loaded into fixed slots, images
are now sorted by their creation date. The newest image always appears in slot one.
Existing images can still be replaced, but the new image will not necessarily exist in the
same slot as the replaced image; instead it is slotted according to its creation date.
❐
Versioning—The boot chain now versions itself. If at anytime an image includes a
newer boot chain, the boot chain updates itself and reboots the system to activate the
newer boot chain. The boot chain is also placed on all installed drives to ensure that if
one drive fails any other drive can still boot the system.
Policy Enhancements
For SGOS 4.2, the following conditions are supported in the SSL layer. They previously
were supported in the <Proxy> and <Exception> layers. Both conditions can still be used
in the Proxy and Exception layers, but you will receive a deprecation message.
❐
client.connection.negotiated_cipher=
❐
client.connection.negotiated_cipher.strength=
37
Blue Coat SG Appliance Release Notes
SGOS 4.2.2 Enhancements
In releases subsequent to SGOS 4.2.1, two new policy properties—
HTTP.client.persistence and HTTP.server.persistence—have been added to
control the persistence of individual client and server connections. Control is based on
any policy conditions available in the <Proxy> or <Exception> layers.
Policy Substitution Realm Enhancements
Policy Substitution Realms are not new in this release, but have been enhanced to support
searching an LDAP realm to determine a user's identity. This functionality is useful when
the policy substitutions cannot map directly to the user's username and/or full username.
A new policy substitution has been created, as well as several string modifiers, for SGOS
4.2.3:
❐
$(ident.username): This results in an Ident query to the client machine for the port
that the client has connected to on the ProxySG. The substitution returns the username
as specified by the client machine. A Policy Substitution realm can use the
$(ident.username) substitution to identify users and provide a single sign-on
mechanism for clients that run an identd server.
❐
binary_address—This string modifier can be used to convert a dotted IP address into
4 bytes (one byte for each octet on any substitution that resolves to a dotted IP address.
The resulting string is of the format \xx\xx\xx\xx where xx is an address byte. This
modifier does not take arguments.
❐
escape_ldap_filter—This string modifier allows administrators to specify that a
policy substitution value should be escaped using the LDAP search filter syntax as
specified in RFC 2254. This modifier does not take arguments.
Protocol Detection
Protocol detection has been added that identifies HTTP, SSL, and various P2P protocols
carried within HTTP CONNECT requests, SOCKS CONNECT requests, and TCP tunnels.
Because of this new behavior, if protocol detection is enabled, any protocols recognized
inside tunnels will be processed as if they were received by the corresponding proxy. So,
for example, an HTTP request recognized in this manner has full HTTP policy applied to
it, rather than just simple TCP tunnel policy. In particular, this means that:
❐
The request shows up as client protocol "HTTP" rather than "TCP Tunnel".
❐
The URL used while evaluating policy is an "http:// URL of whatever shows up in the
tunneled HTTP request, not a "tcp://" URL of where the tunnel was connecting to.
❐
Forwarding policy is applied based on the new HTTP request and not the original
tunnel, so the forwarding host selected must support HTTP. A forwarding host of type
TCP cannot handle the request and causes the request to be blocked.
To carry this traffic over a TCP tunnel without applying this additional policy, protocol
detection should be disabled.
RADIUS Enhancements
❐
Support for RADIUS servers that use challenge/response as part of the authentication
process as well as support for RADIUS groups and the ability to fine-tune RADIUS
realms with a number of new attributes.
38
SGOS 4.2.x
❐
New authentication forms to support RSA SecurID Authentication Manager Version
6.0 and earlier. RSA SecurID Authentication Manager 6.1 does not require the new
forms.
Root CA Certificates
The ProxySG trusts all root CA certificates that are trusted by Internet Explorer and
Firefox. This list is updated periodically to be in sync with the latest versions of IE and
Firefox.
SSL Proxy
The SSL proxy allows you to intercept HTTPS traffic (in explicit and transparent modes)
so that security measures such as authentication, virus scanning and URL filtering, and
performance enhancements such as HTTP caching can be applied to HTTPS content.
Additionally, the SSL proxy allows you to validate server certificates presented by various
HTTPS sites at the gateway and offers rich information about the HTTPS traffic in the
access log.
When using the SSL Proxy software, use of the SSL hardware accelerator card is strongly
recommended. For best performance, your system should also have 512MB RAM or
higher.
In releases subsequent to SGOS 4.2.1, other SSL enhancements have been made. They
include:
❐
SSL Detection
You can now control SSL detection for HTTP, SOCKS, and TCP tunnels through both
the Management Console and the CLI. Note that if you are using the Management
Console, the SSL proxy Intercept pane has been moved from the Management
Console>Configuration>SSL pane to the Management
Console>Configuration>Services>SSL Proxy pane.
❐
SSL Proxy Default Mode of Operation
With SGOS 4.2.2.1, the SSL proxy intercepts an SSL connection in its default mode if it
encounters some error, allowing it to send an HTML error page to the user. If no error
is detected, the SSL proxy tunnels SSL connections by default. So the default mode is
intercept only on exception, tunnel otherwise. Note that this is a change from SGOS
4.2.1, where the default behavior was to tunnel always.
❐
SSL Interaction with Reporter
A reserved access logging format has been added--bcreporterssl_v1--that should be
used with SSL. This is a reserved format that cannot be edited. It only contains fields
that do not reveal private or sensitive information, unlike the bcreportermain_v1
format.
Limitations
❐
The field Currently active sessions under SSL Origination on the SSL/Statistics page
displays an invalid counter value.
Statistics
A new CLI command--clear-statistics efficiency--has been added to Configure mode to
clear efficiency statistics counters that are visible in the Management
Console>Statistics>Efficiency or CLI show efficiency.
39
Blue Coat SG Appliance Release Notes
WCCP Masking
The assignment-type and mask-scheme commands are now supported in SGOS 4.2.2.
Note that this feature is not backwards compatible; if you downgrade to a version that
does not support WCCP masking, you must reconfigure WCCP. The same is true if the
interface 1:0 was specified as opposed to older configurations where interface 0 or 1 could
be specified.
Windows Media RTSP Support
The ProxySG now supports Windows Media content streamed over RTSP in SGOS 4.2.3.
The following Windows Media RTSP transports are supported:
❐
❐
Client-side traffic:
•
RTP over unicast UDP (RTSP over TCP, RTP over unicast UDP)
•
Interleaved RTSP (RTSP over TCP, RTP over TCP on the same connection)
•
Multicast UDP (for live content only)
Server-side traffic:
•
Interleaved RTSP
Server-side RTP over UDP is not supported. If policy directs the RTSP proxy to use HTTP
as server-side transport, the proxy will deny the client request. The client then rolls over to
MMS or HTTP.
The Windows Media RTSP functionality is included in the existing Windows Media
license.
Note that the following CLI commands are used only by the Windows Media MMS proxy.
They are not used for RTSP support.
SGOS#(config) streaming windows-media log-compatibility
SGOS#(config) streaming windows-media live-retransmit
SGOS#(config) streaming windows-media server-thinning
SGOS#(config) streaming windows-media asx-rewrite
SGOS#(config) streaming windows-media multicast-alias
SGOS#(config) streaming windows-media unicast-alias
SGOS#(config) streaming windows-media broadcast-alias
Limitations
❐
RTSP Client Errors
In some cases the ProxySG disconnects the client (for example access server denied)
and the client can choose to attempt a reconnection.
In other cases, when the ProxySG returns an AdministrativeDisconnect error, no
attempt to reconnect is made by the client.
❐
Live Stream Sourced from an Encoder
Sometimes when a live stream is sourced from a encoder, the Windows Media server
marks the content as not splittable by the proxy. In such cases, the ProxySG treats the
stream as pass-through traffic.
❐
Thinning
Thinning might not work when the client is using TCP Transport. (B#62453)
40
SGOS 4.2.x
❐
Buffering State
Windows Media player can sometimes enter a buffering state near the end of the
stream when using a rtsp:// URL. (B#64430)
Windows Single Sign-on
The Windows Single Sign-on (SSO) realm is an authentication mechanism available on
Windows networks.
Windows SSO SGOS 4.2.3.4 Enhancements
❐
FQDN: The Fully Qualified Domain Name (FQDN) of the user is now determined by
the Windows SSO realm. This can be used to determine the groups and attributes of
the user through the associated authorization realm.
❐
BCAAA Synchronization: When using Domain Controller Querying, you can
configure a BCAAA service to use another BCAAA service as a synchronization server.
Whenever a BCAAA service restarts it will contact its synchronization server and
update its logon state. Two given BCAAA services can use each other as their
synchronization server. Thus, each BCAAA service can act as a synchronization server
to provide logon state to other BCAAA services, as well as acting as a synchronization
client to update its logon state from another BCAAA service.
XML Realms
If you use an authentication or authorization protocol that is not natively supported by
Blue Coat, you can use the XML realm to integrate SGOS with the authentication/
authorization protocol.
An XML realm uses XML messages to request authentication and authorization
information from an HTTP XML service (the XML responder that runs on an external
server). The XML realm (the XML requestor) supports both HTTP GET and HTTP POST
methods to request an XML response. The XML messages are based on SOAP 1.2.
System Requirements For Upgrades
This section lists the system component requirements for this release and which vendor
components are supported.
ProxySG Platform (Software and Hardware)
❐
Software: If you are upgrading from a previous Blue Coat release, the ProxySG must
be running SGOS 4.2.1.6 or higher. See the Supported Upgrade Path section below.
❐
Hardware: Blue Coat appliance models SG200-x, SG400-x, SG510, SG800-x, SG810,
SG8000-x, and SG8100 can be upgraded to SGOS 4.2.3.
Note: Due to RAM limitations on the Blue Coat SG 200-0 and SG 400-0 (256MB),
very low throughput is to be expected on these platforms, with a maximum at 20
mbps. For sizing information, talk to your Blue Coat sales representative.
Older Blue Coat appliance models 6xx, 5xx, 7xx, 3xxx, 5xxx, 7xxx, 2xxx, 1xxx, and 1xx
cannot be upgraded to this release. To upgrade the hardware to a newer model, contact
your local reseller or Blue Coat Sales (at sales@bluecoat.com).
41
Blue Coat SG Appliance Release Notes
Supported Upgrade Path
Refer to the table below for the correct upgrade path.
.
Table 13. Upgrade Paths
Current OS (Range)
Direct Upgrade to
Latest Version?
Next OS version
required
SGOS 2.1.x, where x >= 07
No
SGOS 3.2.6
SGOS 3.1.x
No
SGOS 3.2.6
SGOS 3.2.x, where x<=3
No
SGOS 3.2.6
SGOS 3.2.x, where x>=4
No
SGOS 4.2.1.6
SGOS 4.1.x
No
SGOS 4.2.1.6
SGOS 4.2.1.x, where x<=5
No
SGOS 4.2.5
SGOS 4.2.1.x, where x>=6
Yes
SGOS 4.2.5
SGOS 4.2.2.x
Yes
SGOS 4.2.5
Upgrading Licenses
To upgrade the license:
1.
In the Management Console, select Maintenance>Licensing>Install>License Key
Automatic Installation field.
2.
Do one of the following:
•
If the Update button is enabled, click Update.
•
If the Update button is not enabled and you have a valid WebPower account login
(the same WebPower credentials that the appliance is registered to), click Retrieve.
A Request License Key dialog appears. Enter your WebPower credentials and click
Send Request. The Blue Coat license server receives the request, automatically
upgrades the SGOS 4.x license, and returns the new license to the appliance.
Alternate Methods
•
If you cannot directly access the Internet, contact Blue Coat Support Services for
assistance. You will be asked to provide the hardware serial numbers of the
appliances to be upgraded and account details, such as contact name, e-mail
address, and WebPower account name.
•
If you do not have a WebPower account or lost the password, contact Blue Coat
Support Services.
Upgrading the BCAAA Authentication Service
If you use one of the following authentication realms, you should upgrade to the latest
release of the Blue Coat Authentication and Authorization Agent (BCAAA) service.
42
SGOS 4.2.x
❐
Integrated Windows Authentication
❐
Oracle COREid
❐
Netegrity Siteminder
❐
Novell SSO
❐
Windows SSO
BCAAA is distributed as a zip file or UNIX shell script, to be installed on a Microsoft®
Windows® system or a Solaris™ system. The zip file to download the BCAAA service is
posted on the SGOS 4 Software Download Page at http://download.bluecoat.com/
release/SGOS4/index.html.
Note: Because of fixes to the BCAAA service, Blue Coat recommends that you
upgrade to the latest version of BCAAA.
Using Multiple Versions of the BCAAA Service
You can run multiple versions of the BCAAA service. Depending on the versions of
BCAAA that you want to run, you might have to install different versions of the service.
Each version of the BCAAA service that you want to run must reside on your system.
Note: You cannot use an older version or a newer version than your proxy
expects. For example, you must install BCAAA version 100 for SGOS 4.2.1 or
BCAAA version 110 for SGOS 4.2.2.
Table 14. Supported Versions of the BCAAA Service
SGOS Version
BCAAA Version Supported
SGOS 3.2.6
Upgrade to BCAAA version 99
http://download.bluecoat.com/PR/SG4/4.1.3/
24757_SG4.1.3.20_bcaaa.zip
or higher
http://download.bluecoat.com/release/SGOS4/
index.html
SGOS 4.1.x
Upgrade to BCAAA version 99:
http://download.bluecoat.com/PR/SG4/4.1.3/
24757_SG4.1.3.20_bcaaa.zip
or higher
http://download.bluecoat.com/release/SGOS4/
index.html
SGOS 4.2.1
100—Download from: http://download.bluecoat.com/
release/SGOS4/index.html
SGOS 4.2.2
110—Download from http://download.bluecoat.com/
release/SGOS4/index.html
43
Blue Coat SG Appliance Release Notes
Table 14. Supported Versions of the BCAAA Service (Continued)
SGOS Version
BCAAA Version Supported
SGOS 4.2.3
120—Download from http://download.bluecoat.com/
release/SGOS4/index.html
Install the lowest version of the BCAAA service first and the highest version of BCAAA
last, allowing each version to uninstall the previous version. This leaves behind the
bcaaa.ini and bcaaa-nn.exe files for that version.
Notes
❐
Only one listening port is used, no matter how many versions you have installed. The
BCAAA service hands off the connection to the appropriate BCAAA version.
❐
Installation instructions for BCAAA are located in Appendix A of the Blue Coat
ProxySG Configuration and Management Guide that is accessible through WebPower
account access.
❐
The BCAAA service cannot be installed on Windows NT.
Clients and Browsers
The Web-based Management Console (MC) and the Visual Policy Manager (VPM) Java
application should be used only under the following recommended combinations of OS,
Browser and Sun Java Runtime Environment (JRE) versions.
❐
OS for MC and VPM: Microsoft 2000 Pro (SP4 or later), XP (SP2 or later).
❐
Browser for MC and VPM: Internet Explorer 7.0, Internet Explorer 6.0 (SP1 or later),
Firefox 1.5, Netscape 7.2, Windows Vista. Later versions might work, but they have not
been tested.
❐
JRE: 1.5.0, 1.4.1_07.
Notes
❐
Only JRE 1.4.1._07 and 1.5.0 are supported. Because of a Sun-published security issue
regarding JRE 1.4.1_07, only use this version for administrative access to the ProxySG,
not for access to external Internet sites. Blue Coat recommends upgrading to JRE 1.5.0.
❐
On the Sun download page, Sun naming conventions refer to J2SE 1.5.0 and J2SE 5.0
interchangeably. J2SE 5.0 is the new name for JRE 1.5.
❐
Before you download JRE 1.5, verify you have the correct file. Select Related
Links>Popular Downloads>J2SE 5.0 to access the JRE 1.5 download page. Select the
desired file.
❐
If you experience a problem downloading the latest supported JRE through the
Management Console because:
•
The browser does not support automatic download (for example, Netscape), or
•
The automatic download hangs.
Enter the following URL to get to the Sun download page (if the automatic
download hangs, first terminate the download):
http://java.sun.com/products/plugin/index.jsp
44
SGOS 4.2.x
❐
Network slowness or slower processor speeds might affect JRE 1.5 performance. The
delay decreases the ability to click between Management Console menu selections and
options.
❐
The Management Console Java applet cannot retrieve data from behind a reverse
proxy; it displays the error unable to obtain session secret from ProxySG. (B#60652)
❐
Enable the auto-detect encoding feature on your browser so that it uses the encoding
specified in the console URLs. The browser does not use the auto-detect encoding
feature by default. If auto-detect encoding is not enabled, the browser ignores the
charset header and uses the native OS language encoding for its display
Support for Other Products
Blue Coat Director and Reporter
❐
This release is compatible with the following Blue Coat Director releases: SGME 4.2.x
(if using content management) or SGME 5.1.3.x (without content management).
Note that SGME 5.1.3.x lacks the content management features present in SGME 4.2.x.
Also note that neither SGME release monitors the health state of a SG running this
version of SGOS.
❐
This release is compatible with the following Blue Coat Reporter releases: Reporter
8.1.1 and higher.
Anti-Virus
The Blue Coat ProxySG with ProxyAV™ integration is a high-performance Web anti-virus
(AV) solution. For more information, refer to the Blue Coat Web site.
This release is compatible with ProxyAV versions 2.4 or 2.5.
In this release, SGOS is certified with the following third-party implementations of ICAP:
❐
Symantec AntiVirus Scan Engine (SAVSE) 4.3, version 4.3.0.15; ICAP 1.0.
❐
WebWasher 5.3, build 1953; ICAP 1.0.
❐
Finjan Vital Security 7.0, Service Pack 3a; build 573; ICAP 1.0.
Instant Messaging
Instant Messaging proxy support includes
❐
English language versions
❐
Japanese language versions
Also, some versions of AOL and Windows Live Messenger (WLM) are not officially
supported but work in most situations.
English Language Versions Supported
❐
AOL: v5.1 to 5.9.
❐
MSN: v4.6, 5.x, 6.0, 6.1, 6.2, 7.0, 7.5.
❐
WLM 8.0
❐
Yahoo: v5.5, 5.6, 6.0, 7.0, 8.1.
45
Blue Coat SG Appliance Release Notes
Japanese Language Versions Supported
❐
AIM 5.1
❐
Yahoo 7.0
❐
WLM 8.0
Not Officially Supported Versions
❐
AOL: v6.1
•
The SG appliance does not recognize AOL v6.1 as AIM (IM) traffic. In some SG
appliance configurations, however, client login and chat succeeds.
•
SOCKS proxy configured in the client’s Internet Explorer (IE) settings:
•
•
❐
•
Socks proxy with detect protocol disabled on the SG appliance— the client
can log in and chat normally.
•
Socks proxy with detect protocol enabled on the SG appliance—the client can
log in and chat with a thirty-second delay.
HTTP or HTTPS proxy configured in the client PC's IE settings:
•
HTTP proxy with detect protocol disabled on the SG appliance— the client
can log in and chat normally
•
HTTP proxy with detect protocol enabled on the SG appliance— the client
login fails after about 30 seconds with the message Connection lost. AIM could
log in if the SSL forward proxy was also enabled and the SG appliance’s
certificate was installed as the root certificate on the client’s IE browser.
Transparent deployment: AIM v6.1 cannot log in if SSL forward proxy is
configured on port 443. AIM can log in, with a 30-second delay, if a TCP tunnel
service is configured on port 443 with protocol detection and if the SSL forward
proxy is enabled.
WLM v8.1
•
File transfer policy conditions (im.file.extension, im.file.name,
im.file.path, im.file.size) do not always work.
•
File transfers using unknown opcode policy are not blocked.
Streaming
Streaming media support is limited to the following media players and servers:
❐
❐
The ProxySG supports the following versions and formats:
•
Windows Media Player 7, 9, and 10
•
Windows Media Server 4.1
•
Windows Media Server 9
The ProxySG supports the following Real Media Players and Servers:
•
RealOne Player, version 2
•
RealPlayer 8 and 10
•
RealServer 8 through 10
46
SGOS 4.2.x
•
❐
Helix Universal Server
The ProxySG supports the following versions and servers, but in pass-through mode
only:
•
QuickTime Players v7.x, 6.x, and 5.x
•
Darwin Streaming Server 4.1.x and 3.x
•
Helix Universal Server
WCCP
SGOS 4.x has been tested with several releases of Cisco’s IOS: 12.0.7, 12.1.6E, and 12.2.18
Limitations
Descriptions of limitations with the release that could be encountered by more than a few
customers are provided. See "Section B: Limitations" to:
❐
Understand the issues before upgrading to this release.
❐
Verify that a problem you have is not a limitation or a known issue before reporting it
to Blue Coat Support.
47
Blue Coat SG Appliance Release Notes
Section B: Limitations
Version: SGOS 4.2.x
This document provides a subset of limitations with the Blue Coat SGOS 4.2 release that
might be encountered by more than a few customers. It is updated with every SGOS
release.
Read through the following issues before upgrading to the SGOS 4.2.x release. Also, if an
operation issue arises, before contacting Blue Coat, visit this page to verify it is not a
limitation or a known issue.
Browsers
❐
If you use Firefox 1.x or Internet Explorer 7.x or higher, you cannot use the browsers’
multi-tab functionality. This is because the Management Console is now one entity
instead of numerous applets and because the browsers open only one instance of
themselves; no matter how many tabs are open only one instance of the Java Virtual
Machine is launched. For example, you can no longer use one tab to access the
Management Console and another tab to watch the access logs.
To use IE 7 or Firefox to watch multiple windows, launch separate instances of the
browser.
❐
Pop-up blockers are enabled by default in IE 6 and IE7. In this case, you must change
the browser options to access the Statistics URLs or the online help.
❐
With IE 7.x or higher, you might see a message that says certificate error instead of
being presented with the certificate prompt. This is because the SG appliance is not
trusted. You can add the SG appliance certificate to the browser’s certificate store to
eliminate the error message. You can also ignore the error and continue. (B#64916)
❐
If you are using HTTP to connect to the Management Console, clicking the Back button
in the browser results in the following error message:
Unable to obtain session secret from ProxySG. Please try reloading the current page.
Refresh the current page to continue. (B#45351a)
❐
Netscape 4.x browsers are incapable of handling compressed content for certain
content types. For now, it is advised to disable compression for all requests from
Netscape 4.x browser. You can use following policy for this (B#46368a):
<proxy>
request.header.User-Agent="Mozilla/4." request.header.UserAgent=!".MSIE." http.allow_compression(no)
❐
Ιf you are using Firefox to access one Management Console and open another Firefox
browser to access a different ProxySG Management Console, the second browser
might not be fully functional. This is a Firefox issue, not a ProxySG issue. (B#48146a)
❐
Firefox: When multiple JREs are installed in the system (such as JRE 1.4.1_07 and JRE
5.0), uninstalling one of them could make some versions of Firefox think no JRE is
installed in the system. If this is the case, when you use Firefox to try to start the
Management Console, you are prompted to download JRE 5.0 even though it might be
already installed. If this happens, two workarounds exist: Either use Internet Explorer
or close all browsers, delete all JREs from the system, and relaunch the browser, which
will then install the correct JRE. (B#56127a)
❐
When running JRE v1.4.1_07, resizing the window does not repaint the browser. To
repaint, reselect the applet.
48
SGOS 4.2.x
❐
Internet Explorer does not include Pragma: no-cache header while refreshing an
HTTPS URL; this can cause the ProxySG to serve stale content from cache when
caching is enabled. The workaround is to write policy, such as
check_authorization(yes) or always_verify(yes), or set strict server expiration through
the CLI by using the http strict server expiration command to avoid this issue.
(B#53278a)
❐
Virtual URLs: RFCs 952, 1123, and 821 prohibit the use of underscore in hostnames and
mail domains, but the use of underscores is permitted in domain names. Microsoft
Internet Explorer did not abide by this rule until I.E. 6.0, XP SP2. Therefore, any virtual
URL used in authentication realms cannot contain a "_" (underscore) character in the
hostname part of the URL. (B#54245a)
Access Logging
❐
If you change log formats on the fly, the ProxySG continues logging to the same log
object, resulting in a log upload of a file that contains two different formats. This is a
transient condition that affects only a certain number of entries (the number depends
on the load) after which the new file is generated with the correct ELFF header. This
has the effect of Reporter not reporting that certain number of entries.
❐
The access log variable x-cs-certificate-valid-to gives an incorrect value for the
HTTPS Forward Proxy and no value ("-") for HTTPS Reverse Proxy. (B#54389a)
❐
The access-log tail might not display the entries correctly if the entry being logged is
greater than 8KB in size. This happened in the scenario where the http-response
headers being logged were greater than 8KB. (B#55192a)
Authentication
❐
NTLM/IWA Realms: Do not set cache credentials to 0. This will not work properly in
NTLM/IWA realms until the credential cache is rewritten. (B#54982a)
❐
Without the LDAP realm in the sequence, the Windows SSO realm will not correctly
authorize against its LDAP realm. (B#83010a, SR 2-57161790)
❐
Forms-based authentication is not supported through explicit proxy when a user
attempts to visit an HTTPS site.
❐
When the Oracle COREid 6.5 WebGate server software is upgraded to Oracle COREid
7.0, the SSO feature might stop working even if the ipvalidation value in the
WebGate configuration file (WebGateStatic.lst) is set to false by the administrator
afterwards. The workaround is to uninstall and reinstall the Oracle COREid 7.0
WebGate software, and set IPValidation to false. Then restart the COREid Access
server and the IIS server. (B#55167a)
❐
After an upgrade to SGOS 4.2.x client certificate authentication might stop working
with Internet Explorer if the HTTPS reverse proxy service in question is not using a CA
Certificate List (CCL). Internet Explorer cannot handle the long list of CAs presented
by the ProxySG in one of the handshake messages. The workaround is to create a CCL
with relevant CAs and use that CCL with the HTTPS reverse proxy service. (B#56027a)
❐
If the BCAAA service creates and stores its own certificate when running as
LocalSystem, the service fails if it is subsequently changed to run as a domain user.
You must delete the stored certificate and import the newly created one onto the
ProxySG. (B#61319a)
49
Blue Coat SG Appliance Release Notes
❐
If BCAAA is set up to save its certificates (which it does by default) and the following
conditions are met:
•
more than one agent realm is referenced in policy
•
each of those realms is configured to use SSL
multiple certificates are created.
When the policy is activated, the multiple realms each attempt to connect to BCAAA;
each connection spawns a separate process and each process attempts to create a
certificate since none is available. If more than one process creates a certificate,
multiple certificates are created in the certificate store. The Windows 2003 SSL library
fails with a meaningless error.
If this occurs, complete the following steps:
a.
From the Start>Run menu, launch MMC (Microsoft Management Console.)
b.
From the File menu, select Add/Remove Snap-in. The Add/Remove Snap-in
pane displays.
c.
Click Add. The list of available snap-ins displays.
d.
Select Certificates. Click Add.
e.
Select the Service Account radio button. Select Next.
f.
Set the options as appropriate for your environment. Select Next.
g.
Select BCAAA.
h.
Click Finish; click Close.
i.
Click the Certificates folder. Click OK.
j.
Open the BCAAA\Personal folder.
k.
Delete any extra certificates—only one should exist.
Bandwidth Management
❐
There might be transient statistics measurements when changing the priority level of a
bandwidth class. (B#483902a)
❐
Bandwidth Management hierarchy might need to be re-configured when copying the
output of show config to reconfigure a ProxySG. (B#50382a, B#51418a)
❐
Enabling Bandwidth Management can add a small amount of latency (less than 10
millisec) to traffic traversing the ProxySG. (B#55271a)
❐
Bandwidth Management hierarchy might need to be re-configured when copying the
output of show config to reconfigure the ProxySG. (B#56140a)
Branch Deployment
Before deploying ProxySG appliances for branch office acceleration through SOCKS
compression, review the following:
❐
Enable SOCKS Proxy on Concentrator Proxy to compress Outlook/CIFS traffic
between Branch Proxies and the Concentrator Proxy.
❐
Enable HTTP Proxy on Concentrator Proxy to compress HTTP responses Branch
Proxies.
❐
SOCKS Compression and HTTP Compression are CPU and memory-intensive
functions.
50
SGOS 4.2.x
❐
Do not use existing Gateway Proxy or Reverse Proxy as a Concentrator Proxy.
❐
SOCKS Compression and HTTP Compression can be simultaneously active on
Concentrator Proxy with certain caveats listed below.
❐
Do not enable other functions that require large memory allocations on Concentrator
Proxy, such as:
❐
•
HTTPS termination/origination.
•
HTTP decompression.
•
Policy for page transforms, response data and apparent data type triggers.
Do not enable other high CPU intensive applications, such as:
•
HTTPS termination/origination.
•
Spyware policy.
❐
Implement Page transforms and Spyware policies on the Gateway Proxy ( not the
Concentrator Proxy).
❐
Implement HTTPS termination/origination on the Reverse Proxy ( not the
Concentrator Proxy).
❐
The same Branch Proxy can be used for SOCKS Compression and other protocols, such
as HTTP.
❐
Blue Coat recommends that the Branch Proxy use the Concentrator Proxy as the HTTP
Proxy for forwarding HTTP traffic (not as SOCKS Proxy).
❐
The ProxySG does not support load balancing across SOCKS gateways.
❐
To compress Microsoft Outlook traffic, the ProxySG in the branch office must be in line
as a bridge. Because of dynamic traffic, you cannot use an L4 switch or a WCCP router
to intercept RPC services.
❐
Verify duplex settings are compatible in bridged deployments (in branch offices).
❐
Specifying the ports that intercept the CIFS/printing protocol: In a deployment where
one group of CIFS/printing services listens on both ports 139 and 445 and another
group of CIFS/printing services listens only on port 139, configure the branch
ProxySG to only intercept port 139; do not configure to intercept both ports 139 and
445. Otherwise, the port-139-only services will break. This presents the limitation that
when clients choose to use port 445, that content is not compressed because 445 traffic
is not intercepted.
❐
When a ProxySG is deployed inline as a bridge, it intercepts traffic (such as HTTP Port
80 traffic) from both inside (Intranet) and outside (Internet). This makes the ProxySG
an Open Proxy unless it is explicitly configured to deny connections from the outside.
If this is not intended, you must create explicit policy rules to only proxy connection
from the inside.
❐
The PCAP bridging filter does not work in software bridge implementation.
(B#53918a)
Bridging
51
Blue Coat SG Appliance Release Notes
Certificates
❐
Expired Certificates: The setting is certificate date range valid that is
displayed as part of the keyring and certificate summary information shows whether
the certificate in question was valid when the ProxySG was upgraded to SGOS 4.2.
This setting does not change in real time. Certificates that have expired can still have
this setting display yes if they were valid during the upgrade to SGOS 4.2. (B#54363a)
❐
Client Certificates: If client certificate verification fails, a generic exception page is
displayed that does not pinpoint the exact certificate error. For error details, see the
event log. (B#55358a)
Compression
❐
〈The following content types are already recognized by Internet Explorer as
compressed. Regardless of the user-agent, these types are not compressed by the
ProxySG (B#44032a):
image/gif
image/jpeg
image/png
image/pjpeg
application/x-compressed
application/x-zip-compressed
application/x-gzip-compressed
application/futuresplash
application/x-rtsp-tunnelled
application/x-shockwave-flash
Additionally, the following (standard) content-types are not able to be compressed:
application/zip
application/x-gzip
application/pdf
audio
video
❐
Blue Coat recommends using gzip encoding (or allowing both gzip and deflate)
when using HTTP compression, for the following reasons:
•
Servers return deflate-encoded content, but do not return an
Accept-encoding : header.
•
Deflate is discussed in two standards: RFC1950 and RFC1951. Most servers return
RFC1951, while the HTTP/1.1 standard requires RFC1950.
•
IIS HTTPZIP plugin (older versions) returns gzip when asked for deflate. (This
is treated by SGOS 4.x as an unsolicited response and passed through to the
browser).
•
IIS HTTPZIP plugin (newer versions) returns gzip when asked for deflate, but
claims it is deflate. This appears as corrupt data to browsers and the ProxySG.
Content Filtering
❐
The renamed SmartFilter categories are hard-linked between old-name and new-name
(example: High Bandwidth and Media Downloads), regardless if SmartFilter is the
selected vendor.(B#50420a)
❐
Prevent DRTR rating requests for invalid domains. (B#75483a)
52
SGOS 4.2.x
Downloads
❐
Servers providing download for policy files, configuration, etc. must have header
responses configured for sizes less than 8k bytes. (B#55278a)
❐
A registry error is written to the event log when you downgrade from SGOS 4.2.5.1 to
SGOS 4.2.3.26 and you have an access log with an upload client of none. The
workaround is to reboot the system. (B#86559a, SR 2-71519383)
❐
An FTP proxy username cannot contain a space; if a username contains a space, the
FTP proxy does not send the entire username to the authentication server. (B#53890a)
❐
If, after establishing an upload connection using FTP client, the connection is closed
(for example, by rotating the remote file) without sending any data to the remote
server, then the ProxySG creates a zero-byte file on the remote server. (B#54654a)
❐
FTP proxy authentication does not take £ (pound) symbol. (B#62386a)
❐
Invalid characters get appended to the FTP command ABOR. (B#58185a, 2-31124911)
❐
TFTP: Transferring a file using TFTP through a SOCKS connection may cause a restart
(B#61258a).
FTP
❐
Hardware
❐
You cannot check the environmental statistics for a 400 Series ProxySG appliance. In
the Management Console, the Statistics > General > Environment panel does not
display and in the CLI; the command SGOS# show environmental is invalid.
(B#45188a)
❐
SG8000 Adapter Configuration: Configuration of services for Interface 1 might not be
possible through the Management Console. Blue Coat recommends using the
equivalent CLI commands instead.
❐
There is a remote chance the network interface is disabled after the duplex/speed
mode is changed. The workaround is to change the mode again.
❐
If you have a ProxySG SG-400 series model, do not use NIC-0 at 10 Mb/sec or half
duplex. It might hang, although you will still be able to ping the system. Instead, use
NIC-1. (B#27765a)
❐
Disk replacement or removal can result in event or access log loss. Replacement or
removal of drives that contain mirrored event or access log objects can result in loss of
portions of the logs (B#59321a, B#61529a). As a workaround, if disk removal or
replacement is necessary, do the following:
•
Take the system offline to ensure minimal traffic on the box.
•
Upload all access logs.
•
Save the event log
•
Replace or remove the disks.
•
Bring the system back online.
53
Blue Coat SG Appliance Release Notes
Health Checks
❐
Health check names are limited to 31 characters. If using the Management Console, the
characters icap_hc_ are automatically added to the prefix of the health check name,
making the useable number of characters even smaller. To use the full allotment of
characters, use the CLI. (B#58082a)
❐
Health Check notification e-mails are sent depending upon the event log threshold. If
the event log threshold is set to less than Informational, notification e-mails are not sent
for Websense off-box or manually created health checks. (B#53917a)
❐
When you open the Visual Policy Manager or Bandwidth Management pages in the
Management Console through HTTPS, you might see a security information dialog
warning about a mixture of secure and non-secure content. This is due to a link on the
page that allows you to download the Java Virtual Machine from Sun's Web site. All
communication with the ProxySG is encrypted and remains secure. Some versions of
the Sun Java Virtual Machine might also be unable to share credentials with the
browser, causing a dialog box to appear asking again for your username and
password. In these cases, re-enter the same credentials that you used to first access the
Proxy SG. (B#45449a)
❐
Creating HTTPS services on 255.255.255.255:443 can result in a service that cannot
be deleted. This should not prevent the creation of other valid HTTPS services on the
same port. (B#50384a)
❐
HTTPS Reverse Proxy: If a service for HTTPS reverse proxy is created on an IP:port,
the same port cannot be used for creation of TCP tunnel services. However, if a TCP
tunnel service is created on a specific port, an HTTPS reverse proxy service can be
created on the same IP and port. (B#54377a)
❐
HTTPS Reverse Proxy: When an HTTPS reverse proxy is created on IP 255.255.255.255,
it cannot be deleted. (B#54390a)
❐
When enabling RESPMOD, cached JPG files are not refreshed when a PNC header is
received. (B#79404a, SR-2-44961061)
❐
Under certain configuration and load scenario, CPU consumption may be 10% higher
than it was in SGOS 4.1.3. (B#55771a)
❐
If the ProxySG is sending patience text, an ICAP error occurs while scanning the
content, and policy is configured to fail close or to deny for that ICAP error, the
ProxySG might not send a 421 error code to the client and client connection might
eventually time out. (B#55818a)
❐
If multiple clients request the same object within 10 seconds of completing a scan that
had resulted in an ICAP error and the object was cached because of policy, the object
might get re-scanned for subsequent requests, instead of using the previous scan result
for the next 10 seconds. (B#55925a)
❐
If you try to save a download by right-clicking the link but that download resulted in a
patience page, then the patience page response is saved rather than the actual contents
of the download. (B#56061a)
HTTPS
ICAP
54
SGOS 4.2.x
❐
The "bytes transferred" value is not updated for an uncacheable virus-infected file
when ICAP is configured. (B#55457a)
Instant Messaging
❐
MSN: SG does not apply policy to MSN 8.0 offline messages. (B#64591a)
❐
Yahoo IM file transfer fails when it uses HTTP to transfer files. (B#64465a)
❐
MSN-IM: Version 7.5 - Messaging may not work when Reflection is enabled.
(B#55642a)
❐
Video and audio are not supported with any of the Instant Message protocols: MSN,
Yahoo!, AOL. (B#52283a)
❐
AOL-IM: File transfer may not work as expected if the file name contains Chinese
characters. (B#55126a)
❐
The ProxySG sends alert messages to the user in-band or out-of-band as specified by
the configuration variable exceptions. However, alert messages for those IM activities
such as file transfer (that use direct connections), are always sent out-of-band.
(B#54481a)
❐
Connection through SOCKS V5 from a Windows2K desktop might fail when using
MSN 7.0. (B#54009a)
❐
Proxy authentication doesn't work when logging in with MSN 7.5 client. (B#58904a)
❐
Yahoo 7.0: The file transfer requests going through the Yahoo! file server now are sent
as http requests (HEAD/GET/POST). If you have a Yahoo client explicitly proxied
(SOCKS/HTTP), the file transfer requests might not go through the ProxySG even
though all the traffic from the Yahoo client is going through the proxy.
❐
Yahoo Messenger version 7.0.2.120 cannot login through the HTTP proxy when the
ProxySG is configured to authenticate users using an IWA realm and Yahoo Messenger
uses HTTP/1.0 for its transaction. To force Yahoo Messenger to use HTTP/1.1, set the
Internet options in your browser to use HTTP 1.1 for proxy connections.(B#59874a)
❐
SOCKS authentication might not work as expected for Windows MSN-IM clients.
(B#55615a)
❐
AOL-IM: Messaging with IM Reflection enabled might not work if messaging with
Chinese characters (B#55129a)
❐
AOL-IM: With IM reflection on, non-ascii messages might not be transferred correctly
to the receiving clients. (B#61079)
❐
Logging into Yahoo IM transparently (such as through a ProxySG bridge) can cause a
client-side pop-up error message. This does not affect IM proxy functionality.
(B#55955a)
❐
MSN: File transfers using HTTP proxy mail fail for large (>1MByte) files. (B#55640a)
❐
MSN: im.reflection does not work when three users chat in conference room.
(B#64152a)
❐
MSN 8: sharing folders (MS Live) is not supported. (B#63770a)
JRE 1.5 (5.0)
❐
If you experience system slowness issues with JRE 1.5, enter the following command
from the (config) prompt:
55
Blue Coat SG Appliance Release Notes
SGOS#(config) netbios
SGOS#(config netbios) nbstat responder enable
(B#48920a)
❐
JRE 1.5 on Windows XP; Visual Policy Manager: In the All Objects dialog, when you
select New, an unselectable field appears in the menu shown below Combined Objects.
Licensing
If the system clock has the date 2013-07-06 or later, the license fails to install. (B#87592a,
SR 2-76625491)
Management Console
The Management Console might occasionally crash under the following conditions: You
have upgraded or rebooted the ProxySG to a new image and have refreshed the browser.
The workaround to prevent crashing is to close the browser during a ProxySG upgrade or
reboot and launch the browser again only after the new image is ready. (B#55302a)
Passive FTP Exception
For a configuration that uses Passive FTP through SOCKS, the above policy might not
avoid the 30-second delay caused by protocol detection. The reason for this is because a
separate DATA connection is created to transfer data and the port used on this DATA
connection is random, and policy cannot be enforced. If this configuration is necessary,
there are two options:
❐
Generate a white list of FTP servers that can be accessed. For example:
<proxy>
client.protocol=socks condition=ftp_destination
detect_protocol(none)
define condition ftp_destination
url.address = IP_address
url.address = IP_address
end condition
❐
Implement policy to disable protocol detection for all SOCKS tunnels. For example:
<proxy>
client.protocol=socks detect_protocol(none)
Patience Page
❐
If always-verify is set, whether through CLI or through policy, the Patience Page
goes into a loop. (B#58025a)
❐
If you make a change to the text field of the Patience Page and apply the change, the
help text field might later display as very small. To solve this problem, click in the
middle of the unusable text area so that the cursor is placed in the text area. Then click
on enter to increase the number of lines to more than nine and apply these changes.
(B#75540a)
Peer to Peer
❐
The following peer-to-peer (P2P) clients cannot connect to the ProxySG using SOCKS
V5 authentication (B#45540a):
56
SGOS 4.2.x
❐
•
eMule Version 0.43b
•
KazaaPlus 2.6.4
When a CONNECT is issued with a Content-Length header, the ProxySG attempts to
parse the request entity body to determine whether it is from a known P2P agent. If no
data is received within 30 seconds, the ProxySG aborts the transaction. Because this
client is broken and is sending an invalid content-length header, the ProxySG stalls on
this request. Use the following CLI command to enable tolerant-request-parsing:
#(config) http tolerant-request-parsing
Policy
❐
VPM: Use the header user-agent in the object Request Header (source) to specify any
missing user agents in the User Agent (source) object. 9B#56110a)
❐
VPM: When creating a time object, if you enable some of the options, the tabbing
sequence does not select the newly enabled fields. It simply runs through all the enable
checkboxes, through the buttons, and back to the top. For example, if you enable Only
Between The Following Times of the Day and tab through all the options, the From
and To fields do not get selected. (B#48267a)
❐
VPM: The progress bar in the Management Console VPM applet is editable, but does
not result in any action. (B#48694a)
❐
VPM: After declaring patience on an object, if the server connection is reset, the object
re-fetches and re-scans, causing repeat s. (B#50386a )
❐
VPM: Category-URLs should not contain the equal (=) character. If a user enter
category=name as part of URLs of a category, it is treated as subcategory. (B#50420a)
❐
VPM: If a category exists under more than one parent, the generated policy also
contains repetitive entries of the same category; this does not present any
complications. (B#50424a)
❐
VPM: Cutting and pasting of a category does not work as expected. Once policy is
installed, the effect of an earlier cut and paste disappears. (B#49036a)
❐
Content Filtering: The test-url command with an embedded '&' might create extra
newlines in the output. (B#51298a)
❐
Policy trace: Policy trace doesn't display custom header. (B#63168a, SR 2-28745607)
Protocol Detection
A 30-second delay occurs when the ProxySG tunnels any protocol where the server speaks
first. Examples of these protocols are FTP, SMTP, POP3, and IMAP. Currently, the ProxySG
does not support protocol detection for such protocols; therefore, the delay occurs in all
three types of tunnels:
❐
TCP tunnel
❐
SOCKS tunnel
❐
HTTP CONNECT tunnel
The workaround for this is to define policy that disables the protocol detection for all
tunnels where the tunneled protocol is the one where the server speaks first. The
following is an example of such policy.
57
Blue Coat SG Appliance Release Notes
<Proxy>
;Rule 1
condition=server_speaks_first_port_list condition=tunneling_protocol
detect_protocol(none)
; Definitions
define condition server_speaks_first_port_list
url.port=25
url.port=143
url.port=21
url.port=110
end
define condition tunneling_protocol
client.protocol=http
client.protocol=tcp
client.protocol=socks
end
Notes:
❐
The destination-based condition in Rule-1 must be included to avoid a security issue.
❐
If a server is listening on a non-default port, you must add a line in with that port (for
this example, in the server_speaks_first_port_list condition).
❐
When using Challenge/Response (such as SecurID or SafeWord tokens), the best user
experience is seen when using an authentication mode with Forms (Form Cookie
Redirect being the optimal). Standard browser authentication dialogs can be used;
however, there are some limitations.
❐
Firefox 1.0.x does not display the realm string for proxy authentication dialogs. This
means that it cannot be used for Challenge/Response authentication when an explicit
proxy mode is used. Firefox 1.5 fixes this issue. Using forms avoids this issue.
❐
Internet Explorer stops displaying authentication dialogs after three consecutive
"failed" attempts. This is an issue when changing a PIN for RSA SecurID. The process
is usually four steps, which means that the last step is missed when using standard
authentication with Internet Explorer. Using forms avoids this issue.
❐
The route entries from RIP cannot be automatically restored by the ProxySG if the
Ethernet cable is disconnected and reconnected. When an interface on the system is
disconnected, the ProxySG flushes all the routing information related to that interface,
including the information from RIP. After the interface is reconnected, the ProxySG
cannot restore the information from RIP. (B#55298a)
❐
Default route in "show rip route" is 0.0.0.0/32 instead of 0.0.0.0/0. (B#80241a,
SR 2-46609131)
❐
The RTSP proxy might sometimes close connections when using UDP or multicast
transports in the new Helix series of players (such as Real Player). The workaround is
to use the TCP or HTTP transport. (B#83620a)
RADIUS
RIP
RTSP
58
SGOS 4.2.x
❐
Page Fault at 0x45 in Process "tcpip" in "tcpip.dll" at .text+0x13FC5 using RTSP.
Workaround: Create a new log format for the RTSP service which does not contain the
"s-ip" symbol. (B#63181a, SRs 2-29386641, 2-31116681, 2-38642746, 2-40629092)
SSH
If you execute a number of commands in quick succession using the command line
execution feature of ssh, the SSH client might terminate the connection before displaying
the output of all the commands. For example:
ssh -T -l user -i user_private_key proxysg_IP test
where file test contains a list of CLI commands. This might not give the output of all the
commands listed in file test. (B#48912a)
SSL Proxy
❐
If you configure IIS servers to support only SSLv2 and TLSv1 protocols, and you
configure the client browser to support only SSLv2 and SSLv3 protocols, you might see
the following error messages when making a HTTPS request to the IIS server from the
browser:
Internet Explorer: Page cannot be displayed
Firefox: Firefox received a message with Incorrect message
authentication code.
This is an IIS issue, not a ProxySG issue. (B#54751a)
❐
Early denials for SSL/HTTPS traffic are no longer possible when the SSL proxy is used
in transparent deployments. (Note that this does not affect HTTPS Reverse Proxy
deployments.) For example:
<proxy>
DENY server_url.host=abc.com
In this case, a request for https://abc.com is expected to be denied before contacting
the server. But in SGOS 4.2.2 with the above policy, the SSL proxy contacts the server
and fetches the certificate before denying a request to https://abc.com. (B#59431a)
❐
Forwarding discrepancies can occur with the SSL proxy if URL rewrites that change
the URL host are present because URL rewrites no longer apply until the SSL proxy
contacts the server and makes the intercept versus tunnel decision. (Note that this does
not affect HTTPS Reverse Proxy deployments.) For example, assuming that a URL
rewrite present in policy that rewrites hostname abc.com to def.com:
•
The SSL proxy contacts abc.com and uses the site's certificate contents to make the
intercept vs. tunnel decision. URL rewrites no longer apply when SSL Proxy
contacts the server for making the intercept vs. tunnel decision.
•
After the intercept vs. tunnel decision is made, URL rewrites do apply when
forwarding user requests to the server. So with the URL rewrite in the example,
user data is sent to def.com even though the decision to intercept/tunnel was
made by contacting abc.com.
The workaround is to use forwarding rules to ensure that def.com is contacted when
the SSL proxy makes the tunnel vs. intercept decision as well.(B#59431a)
❐
Proxy Chaining: Authentication forwarding to parent proxy does not work on
HTTPS.(B#60476a)
Assumptions:
59
Blue Coat SG Appliance Release Notes
•
SG1 is using SG2 as the upstream HTTP Proxy.
•
SG2 has authentication enabled.
•
SG1 is used as an explicit proxy by user desktops.
In these cases HTTPS traffic breaks because the 407 challenge from the upstream proxy
is not correctly forwarded to the client in case of HTTPS. When the protocol recognizer
is enabled on SG1, it sends 200 OK response to HTTP CONNECT method before
contacting SG2.
Workaround: Disable protocol detection on SG1 for HTTP CONNECT.
<proxy>
http.method=CONNECT detect_protocol(none)
This also disables the SSL proxy functionality on SG1. However, SSL Proxy
functionality can still be enabled on the upstream proxy (SG2), allowing the user to
take advantage of the SSL proxy while making authentication work correctly.
(B#60476)
Statistics
❐
Policy/Statistics sometimes report active FTP sessions when there are no active FTP
sessions. FTP/Statistics properly reports no active sessions in such cases. This
inconsistency is a known issue.(B#48565a)
❐
SSL Statistics: The field "Currently active sessions" under SSL Origination on the SSL/
Statistics page displays an invalid counter value. (B#55356a)
❐
Admin Monitoring: Read-only Admin cannot access some statistics pages. (B#56142a)
❐
MMS traffic forwarded to a socks gateway is not SOCKSified. (B#62303a)
Streaming
Telnet Client
Blue Coat does not support the use of non-ASCII characters with the standard Windows
Telnet client, since it does not support UTF-8. Note that the Telnet client must be
configured to send and receive UTF-8. (B#56353a)
Windows Updates
❐
A Windows update for either Windows 5 or 6 might fail if you access the Windows
Update Version 5 or Version 6 Web site through authenticating proxy servers, such as
the ProxySG. The message you see is similar to the following:
Windows Update has encountered an error and cannot display the requested page.
You might also see [Error number: 0x80072F78] in the upper-right corner of the Web
page.
To correct this situation, you must upgrade to SGOS 4.1.3 or higher; in addition, you
must apply the fix found in the Microsoft knowledge base. For more information, go
to: http://support.microsoft.com/default.aspx?scid=kb;EN-US;885819
60
SGOS 4.2.x
❐
The Windows update does not work when the SSL Proxy is enabled. This is because
the Windows update client does not trust the emulated certificate presented by the SSL
Proxy. The workaround is to tunnel the http://update.microsoft.com/
windowsupdate Website.
Support
Direct support questions regarding this release to http://www.bluecoat.com/support/
contact.html.
Known Issues with Management Console and VPM Design Changes
Management Console
❐
Duplicate aliases are not caught for forwarding hosts and socks-gateways if
configured thru installable-list. (B#64616a)
❐
Disk status is not updated when it is taken offline from the Management Console.
If disk status does not update after taking the disk off-line, switch tab selection and
switch back. (B#64617a)
❐
A weak password can be set on the console without confirmation from the
administrator.
❐
Policy Files -> Install from Text Editor does not allow resizing. (B#64625)
❐
If you are in the Configuration > Services > Ports New/Edit dialog and use the up and
down arrows to navigate through the proxies drop-down list, there might be graphic
corruption within the dialog. Select the proxy services with the mouse cursor to avoid
graphic corruption (B#62218).
❐
Clicking Maintenance > General > Restore does a restore-defaults keep-console
operation instead of restore-defaults factory-default operation as in previous
releases. This means that the following settings are maintained:
•
IP addresses, including default gateway and bridging, except for virtual IP
addresses).
•
Settings for all consoles.
•
Ethernet maximum transmission unit (MTU) size.
•
TCP round trip time.
•
Static routes table information.
To do a restore-defaults factory-defaults operation, which clears everything
but trial period information and the last five installed appliance systems, use the CLI.
(B#75825a)
❐
DER encoded CRLs can no longer be uploaded onto the SG using the Local File option.
To download a DER encoded CRL, use the Remote URL option instead. (B#64611a)
❐
The Management Console depends on the CLI for some of its data validation. As a
result, some invalid data or invalid operations are not detected until the changes are
applied to the SG. The errors are then displayed in a dialog in the Management
Console.
61
Blue Coat SG Appliance Release Notes
VPM
❐
Changes made to the "Comment" column would not prompt "Unsaved changes" when
closing. (B#64627a)
❐
Cutting and pasting categories fails to update parent pointers. (B#64629a)
Copyright© 1999-2007 Blue Coat Systems, Inc. All rights reserved worldwide. No part of this document may be
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