Juniper Networks 5XT User Manual

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Juniper Networks
NetScreen Release Notes
ScreenOS 5.0.0r9-FIPS
P/N  093-1638-000, Rev. A
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According to Trend Micro, the categories of viruses bypassed include HTML and 
Javascript. However, the subset of the bypassed viruses can be described as the 
following:
Javascript/Jscript/HTML embedded in HTML code (having HTTP content 
type of text/HTML) AND is accessed through a script-enabled browser from a 
remote web server (via HTTP).
For example, anti-virus scanning would NOT be bypassed for the following 
scenarios:
1. Javascript/HTML malware which is stand-alone in a *.js file
2. Javascript/HTML malware propagating via email attachments
So the viruses bypassed would be all Javascript and HTML based viruses, but 
accessed or contained with the above characteristics in HTTP traffic only.
2.3 New Features and Enhancements from ScreenOS 5.0.0r6
New Hidden Command - In response to the NISCC VULN 236929, a new 
hidden command is implemented in this release. The command is set/unset flow 
check tcp-rst-sequence
. By default, the command is not set. This command 
alters the device’s response to potentially spoofed TCP RST packets.
2.4 New Features and Enhancements from ScreenOS 5.0.0r1
Juniper NetScreen-5GT - Dial Backup, Dual Untrust, OSPF, and BGP are now 
available in the 10-user version. Previously these features were only available in 
the Plus version.
Juniper NetScreen-5GT - The Extended version provides the same capabilities 
as the Plus version with additional features: High Availability (NSRP Lite), the 
DMZ security zone, and additional sessions and tunnel capacity. For information 
on these features, refer to the Juniper Networks NetScreen ScreenOS Concepts & 
Examples Reference Guide
 for ScreenOS 5.0.0. 
Note: You must register your product at 
www.juniper.net/support
 so that certain 
ScreenOS features, such as antivirus or deep inspection, can be activated on the 
device. If you already have an account, enter your user ID and password; if you are a 
new Juniper customer, create your account first. To register your product, you need 
the model and serial number of the device. After registering your product, confirm that 
your device has internet connectivity. Issue the CLI command exec license-key 
update
 to make the device connect to the Juniper server to activate the feature.