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Network Intrusion Detection System (NIDS) Detecting attacks
FortiGate-4000 Installation and Configuration Guide 273
Viewing the signature list
You can display the current list of NIDS signature groups and the members of a
signature group.
To view the signature list
1 Go to NIDS > Detection > Signature List.
2 View the names and action status of the signature groups in the list.
The NIDS detects attacks listed in all the signature groups that have check marks in
the Enable column.
3 Select View Details .to display the members of a signature group.
The Signature Group Members list displays the attack ID, Rule Name, and Revision
number for each group member.
Viewing attack descriptions
Fortinet provides online information for all NIDS attacks. You can view the
FortiResponse Attack Analysis web page for an attack listed on the signature list.
To view attack descriptions
1 Go to NIDS > Detection > Signature List.
2 Select View Details .to display the members of a signature group.
3 Select a signature and copy its attack ID.
4 Open a web browser and enter the following URL:
http://www.fortinet.com/ids/ID<attack-ID>
Make sure that you include the attack ID.
For example, to view the Fortinet Attack Analysis web page for the ssh CRC32
overflow /bin/sh attack (ID 101646338), use the following URL:
http://www.fortinet.com/ids/ID101646338
Note: The user-defined signature group is the last item in the signature list. See “Adding user-
defined signatures” on page 274.
Note: Each attack log message includes a URL that links directly to the FortiResponse Attack
Analysis web page for that attack. This URL is available in the Attack Log messages and Alert
email messages. For information about log message content and formats, and about log
locations, see the FortiGate Logging and Message Reference Guide. For information about
logging attack messages, see “Logging attacks” on page 278.