Date: Wed, 27 Feb 2002 14:23:04 -0500 (EST)
From: ImageStream Support
Subject: (SUPPORT) Enterprise Linux 3.2.0 for routers available
Version 3.2.0 of ImageStream's Enterprise Linux is now available as an general
release for all ImageStream router customers.
This software release is provided at no charge to all ImageStream customers.
Version 3.2.0 is highly recommended for all customers. VERSION 3.2.0 PROVIDES A
PATCH TO NEW VULNERABILITIES PRESENT IN PREVIOUS ENTERPRISE LINUX RELEASES.
SPECIFICALLY, NEW VERSIONS OF SSH AND SNMP ARE INCLUDED IN THIS RELEASE.
See "Limitations and Upgrade Instructions" before upgrading.
This release note documents commands and features added between Version 3.0.3
and the Version 3.2.0 release.
New Features in Version 3.2.0
Boot Times Significantly Reduced
Version 3.2.0 contains an efficiency update to the router boot procedure.
Routers running Version 3.2.0 should boot approximately 50% faster than under
OpenSSH Upgraded To OpenSSH 3.1p1
The version of OpenSSH included in Version 3.2.0 addresses recent security
advisories. Version 3.1p1 included with this release does not allow users to
pass environment variables to login when "UseLogin" is enabled and is not
affected by the "Off-by-one error in the channel code" advisory.
Base-libraries Package Updated
The version of the Base-libraries package included in Version 3.2.0 addresses a
vulnerability in the zlib compression library. Although no exploits for this
issue are known to exist, this potentially serious vulnerability has been
patched in this release.
Base-networking Package Updated
The version of the Base-networking package included in Version 3.2.0 addresses a
buffer overflow vulnerability in the netkit utilities for ping, ftp, telnet,
in.telnetd and inetd. Previous versions of netkit used by ImageStream are not
vulnerable, but the programs have been updated as a precaution.
net-snmp Upgraded To Version 4.2.2
The version of net-snmp included in Version 3.2.0 addresses multiple
vulnerabilities in trap and request handling in version 1 of SMNP. Although no
exploits for this issue are known to exist, this potentially serious
vulnerability has been patched in this release.
Backup Flash/Restore Flash Options Added To Menu
Previous Enterprise Linux versions omitted "Back configuration up to flash" and
"Restore configuration from flash" menu options. These options were previously
available only from the command line but have been added to the menu as well in
Memory Test Boot Option Added
Version 3.2.0 adds a "Memory test" option to the router boot menu. Selecting
this option from the boot menu will load a memory testing program that
automatically examines the RAM installed in the router for any physical problems
or errors. A thorough memory test may take several hours to complete, so this
boot option is recommended for use during maintenance windows and for routers
able to be removed from service for long periods of time.
Bugs fixed in Version 3.2.0
The following bugs have been fixed in Version 3.2.0:
Console Configuration File Fixed
The console configuration file in earlier Version 3.0 releases has been replaced
with a non-binary version. The default values used for the console control
program were not affected, but users can now reconfigure the console control
Gated Menu Options Fixed
Earlier Version 3.0 releases failed to correctly reconfigure Gated after
configuration changes were made from the router menu. The OSPF configuration
option in the router menu also failed to open the gated.ospf file. Version
3.2.0 corrects these behaviors.
Various Aesthetic Changes To Menu Options
Version 3.2.0 fixes small typographical errors in all of the router menus, and
adds clearer descriptions of several menu items.
Limitations and Upgrade Instructions
*** NOTE! If the upgrade fails, do NOT reboot! Contact ImageStream's
Technical Support without rebooting. ***
Upgrading to Version 3.0 or later requires the following:
1. 64 MB of RAM or higher.
2. 32 MB of flash.
3. 300 MHz processor or better.
3. Enterprise Linux Version 2.3.2 or higher.
The upgrade utility will not install Version 3.0 if memory and flash
requirements are not met. Users can contact ImageStream to purchase a
RAM, processor or flash upgrade.
Users running an Enterprise Linux version less than 2.3.2 must upgrade
before Version 3.0 will be available from the Update menu. Upgrading any
version prior to 2.3.2 will automatically be upgraded to 2.3.2. A second
upgrade will be required to install Version 3.0.
The upgrade does not otherwise affect the stored configuration in the
ImageStream router. To back up the router's configuration prior to
upgrading, choose option 4 (Backup/Restore) from the router's main menu.
Choose the Backup methods option (Option 1) and select a method from the
choices listed. From the router's command line, use the "backup
" command. The backup utility takes four arguments: flash
(to back up configurations to the router's nonvolatile flash memory),
floppy (to back up to a floppy disk), scp (to back up via secure copy), or
file (to back up to a separate file on the router's nonvolatile flash
Copyright and Trademarks
Copyright 2002 ImageStream Internet Solutions. All rights reserved.
ImageStream is a trademarks of ImageStream Internet Solutions, Inc. All
other marks are the property of their respective owners.
ImageStream makes no representations or warranties with respect to the
contents or use of this document, and specifically disclaims any express
or implied warranties of merchantability or fitness for any particular
purpose. Further, ImageStream reserves the right to revise this
publication and to make changes to its content, any time, without
obligation to notify any person or entity of such revisions or changes.
Contacting ImageStream Technical Support
Every ImageStream product comes with a one year hardware and software
warranty. ImageStream provides technical support via voice, FAX,
electronic mail, and the web. Technical support is available 24 hours a
day, 7 days a week.
To contact ImageStream technical support by voice, dial +1 (574) 935-8484
worldwide. By FAX, dial +1 (574) 935-8488. By electronic mail, send mail
to firstname.lastname@example.org. Using the World Wide Web, see