Juniper Networks 500 New Features and Enhancements, set av http skipmime unset av http skipmime

Juniper Networks NetScreen Release Notes

Refer to the following table to understand what ScreenOS versions map to which product.

Product	Firmware
Juniper NetScreen-5XT	ns5xt.5.0.0r9.0
Juniper NetScreen-200 Series	ns200.5.0.0r9.0
Juniper NetScreen-500	ns500.5.0.0r9.0
Juniper NetScreen-5000 Series (with	ns5000.5.0.0r9.0
5000-M)

2. New Features and Enhancements

The following sections detail new features and enhancements in ScreenOS 5.0.0 releases. For a complete list and descriptions of new features and enhancements in ScreenOS 5.0.0, refer to the Juniper Networks NetScreen ScreenOS Migration Guide.

2.1 New Features and Enhancements in ScreenOS 5.0.0r9-FIPS

None.

2.2 New Features and Enhancements from ScreenOS 5.0.0r8

Destination NAT Enhancement – An enhancement has been added to the destination NAT feature to allow ARP responses for addresses that are on the same subnet as the device's interface. For further information on this feature please see the Juniper Networks/NetScreen Knowledgebase.

Scan Engine Update for Juniper NetScreen-5GT – ScreenOS now embeds Trend Micro’s new scan engine version 7.0 to provide better scanning coverage and increase performance. All previous versions of pattern files will be compatible with this new version.

As part of the Scan Engine Update, Juniper Networks implemented the ability to increase scanning coverage using the following commands:

•set av http skipmime

•unset av http skipmime

Note: The feature may impact performance on the device for traffic that may match embedded text in HTML packets.

ScreenOS 5.0.0r9-FIPS P/N 093-1638-000, Rev. A Page 3 of 42