Fortinet FortiGate 400, Installation & Configuration Manual, Page: 251 / 308

Network Intrusion Detection System (NIDS) Detecting attacks
FortiGate-400 Installation and Configuration Guide
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Viewing the signature list
To display the current list of NIDS signature groups and to view the members of a
signature group:
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 are checked in the
Modify or Details 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. To view the FortiResponse
Attack Analysis web page for an attack listed on the signature list:
1 Go to NIDS > Detection > Signature List .
2 Select View Details .to display the members of a signature group.
Select a signature and copy its attack ID.
3 Open a web browser and enter this URL:
http://www.fortinet.com/ids/ID<attack-ID>
Remember to 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
Figure 34: Example signature group members list
Note: The user-defined signature group is the last item in the signature list. See “Adding user-
defined signatures” on page 252 .
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 from the Attack Log messages and
Alert email messages. For information about log message content and formats, and about log
locations, see the
Logging Configuration and Reference Guide. To log attack messages, see
“Logging attacks” on page 256 .