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READ95.TXT
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1999-11-23
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Sophos Anti-Virus for Windows 95/98 Release Notes
-------------------------------------------------
Version 3.28 AH, December 1999
New in this version
-------------------
SWEEP versions have been updated with new virus information. A list of new
viruses detected by Version 3.28 can be found in "What's New", or in the
READNEWS.TXT file on the SWEEP for DOS Version 3.28 Installation Disk.
Please see the "Additional Information" section for details on Sophos
Anti-Virus with archive handling (AH) support.
Known problems
--------------
1. Accumulation of .req files
InterCheck 4.x leaves multiple files with the .req extension in the root of
the primary drive.
In cases where Sophos Anti-Virus has been installed from a central
installation directory and the COMMS directory was not specified for
messaging, multiple req files can accumulate in the root of the primary drive.
If you experience this problem, follow these instructions:
1 Go to the Sophos Anti-Virus central installation directory and locate the
INTERCHK.CFG file.
2 Remove the line "CommsDirectory=" from the INTERCHK.CFG file.
3 Initiate a workstation update by running setup /update from the Sophos
Anti-Virus central installation directory.
If you are installing Sophos Anti-Virus centrally for the first time and do
not specify a COMMS directory, ensure that you remove the line
"CommsDirectory=" from the INTERCHK.CFG file before creating a local
installation of Sophos Anti-Virus.
Modifications from Version 3.27
-------------------------------
1. Version information
All SWEEP versions have been updated with new virus information. A list of new
viruses detected by Version 3.28 can be found in "What's New" or in the
READNEWS.TXT file on the Release CD, or in the READNEWS.TXT file on the SWEEP
for DOS Version 3.28 Installation Disk.
2. Microsoft Project
Microsoft Project files are now swept for viruses. The extensions "MPP" and
"MPT" have been added to the list of files that Sophos Anti-Virus scans by
default. To
disable this feature, please refer to the "Troubleshooting" section below.
3. Sophos Anti-Virus no longer honours the action flag when disinfection is
succesful.
In version 3.27 Sophos Anti-Virus would honour the user request and undertake
the action
specified on an infected document even if it had managed to disinfect it. This
behaviour has been modified so that Sophos Anti-Virus will now only undertake
the action if
the object could not be disinfected or if disinfection failed.
Additional information
----------------------
1. Detection of viruses within archives
This version of Sophos Anti-Virus contains a re-engineered virus detection
engine which includes many enhancements over the previous engine, including
the ability to scan inside archive files. It can be configured via the "Scan
inside archive files" option on the "Action" configuration page.
Selecting this option enables scanning within the following archive types:
Name: ARJ
Description: a reasonably widespread archiving and compression
format.
File extension: .arj
Used most often for: storing collections of files together in one
convenient compressed file. Most commonly used
on Windows systems.
Name: CMZ
Description: a Unix compressor which is very similar to LZW
File extension: .Z
Used most often for: compressing single files.
Name: TAR
Description: a Unix archiver program which stores files in a
single archive without compression
File extension: .tar
Used most often for: collecting source files together for software
package distribution. Often used in combination
with a compression program, e.g. GZIP
Name: RAR
Description: a general purpose archiving and compression
program which allows higher compression ratios
than other PC archiving tools
File extension: .rar
Used most often for: compressing large numbers of small files
Name: GZIP
Description: a compression utility to replace Unix Compress
because of its better compression and freedom from
patented algorithms
File extension: .gz
Used most often for: compressing web downloads, especially when applied
to TAR files
Name: ZIP
Description: an extremely widespread archiving and compression
format
File extension: .zip
Used most often for: Storing collections of files together conveniently
in one compressed file. Most commonly used on
Windows systems
2. Optimised file updating
In this version of Sophos Anti-Virus for Windows 95/98, product updates now
involve copying only those files which have changed, rather than all files in
the product distribution. This means that if you add an IDE (virus identity)
file from the Sophos website, for example, only the new IDE file will be
copied from your Central Installation Directory (CID) down to your
workstations. This will optimise the updating process, especially for dial-up
or WAN users.
You no longer force automatic updates by editing configuration files in the
server's CID. Instead, from the Sophos Anti-Virus installation directory,
issue the command
SETUP /UPDATE /SRCPATH="\\SERVERNAME\CID"
to signal that an update should be triggered from the specified CID on
the server SERVERNAME.
3. New "About" dialog
SAV for Windows 95/98 GUI now displays more detailed version information.
4. New on-line Help
The on-line Help files have been upgraded and restructured.
5. Improved temporary file-handling
During some forms of scanning Sophos Anti-Virus needs to make use of temporary
file storage. By default these files are stored in the TEMP subdirectory of
the Sophos Anti-Virus application.
You may create the following registry key and associated value to over-ride
the default behaviour:
Key: HKEY_LOCAL_MACHINE\SOFTWARE\SOPHOS\ADVANCED\
Value Name: TEMP_DIR
Type: REG_SZ (String)
Data: Path to the user specified temporary directory
*including the trailing backslash character*
6. Updated start menu
The Start menu has been updated to:
Start\Programs\Sophos Anti-Virus\
it now includes a short cut to the Sophos home page.
Troubleshooting
---------------
The following problems may require the use of the Registry Editor
(Regedt32.exe). Microsoft have issued the following warning with respect to
the Registry Editor:
"Using Registry Editor incorrectly can cause serious, system-wide
problems that may require you to reinstall Windows NT to correct
them. Microsoft cannot guarantee that any problems resulting from
the use of Registry Editor can be solved. Use this tool at your
own risk."
1. Disabling scanning of Microsoft project files
Should you wish to disable the scanning of Microsoft project files you may
create the following registry key and associated value to over-ride the
default behaviour:
* Create the following registry key and associated values:
Key: HKEY_LOCAL_MACHINE\SOFTWARE\SOPHOS\SWEEP95\VIRUSENGINE\
Value Name: Project
Type: REG_DWORD
Data: 0
Compatibility issues
--------------------
1. Bay Networks (Performance Technologies) Instant Internet
A conflict between the version of the WinSock client installed by the Instant
Internet application and the Sophos SMTP.SMM module can lead to the Sophos
Anti-Virus service not starting or stopping correctly.
As a work-around add the following value to the registry.
Key: HKEY_LOCAL_MACHINE\Software\Sophos\Sweep95\SMMS\
SMTP\
Value Name: No Startup Check
Type: REG_DWORD
Data: 0x1
This will prevent the SMTP module checking for the
appropriate network transport protocols during startup.
----------------
Sophos Plc, The Pentagon, Abingdon, OX14 3YP, England
Tel 01235 559933 o Fax 01235 559935
Sophos Pty Ltd, Level 4, 725 George Street, Sydney, NSW 2000, Australia
Tel 02 9212 1600 o Fax 02 9212 1788
Sophos Plc, 2, Place de la Defense, BP240, 92053 Paris la Defense, France
Tel 01 46 92 24 42 o Fax 01 46 92 24 00
Sophos GmbH, Am Hahnenbusch 21, D-55268 Nieder-Olm, Germany
Tel 06136 91193 o Fax 06136 911940
Sophos Inc, 50-S Audubon Road, Wakefield, MA 01880, USA
Tel 781 213 3456 o Fax 781 213 5466 o Toll Free: 888 SOPHOS 9
Sales email sales@sophos.com
Technical support email support@sophos.com
Web http://www.sophos.com/