Cisco ASA 5505 - Manual (Page 1210)

57-4
Cisco ASA 5500 Series Configuration Guide using the CLI
Chapter 57 Using Protection Tools
Configuring IP Audit for Basic IPS Support
IP Audit Signature List
Table 57-1 lists supported signatures and system message numbers.
Table 57-1 Signature IDs and System Message Numbers
Signature
ID Message
Number
Signature Title Signature Type Description
1000 400000 IP options-Bad Option List Informational Triggers on receipt of an IP datagram where
the list of IP options in the IP datagram header
is incomplete or malformed. The IP options
list contains one or more options that perform
various network management or debugging
tasks.
1001 400001 IP options-Record Packet Route Informational Triggers on receipt of an IP datagram where
the IP option list for the datagram includes
option 7 (Record Packet Route).
1002 400002 IP options-Timestamp Informational Triggers on receipt of an IP datagram where
the IP option list for the datagram includes
option 4 (Timestamp).
1003 400003 IP options-Security Informational Triggers on receipt of an IP datagram where
the IP option list for the datagram includes
option 2 (Security options).
1004 400004 IP options-Loose Source Route Informational Triggers on receipt of an IP datagram where
the IP option list for the datagram includes
option 3 (Loose Source Route).
1005 400005 IP options-SATNET ID Informational Triggers on receipt of an IP datagram where
the IP option list for the datagram includes
option 8 (SATNET stream identifier).
1006 400006 IP options-Strict Source Route Informational Triggers on receipt of an IP datagram in
which the IP option list for the datagram
includes option 2 (Strict Source Routing).
1100 400007 IP Fragment Attack Attack Triggers when any IP datagram is received
with an offset value less than 5 but greater
than 0 indicated in the offset field.
1102 400008 IP Impossible Packet Attack Triggers when an IP packet arrives with
source equal to destination address. This
signature will catch the so-called Land
Attack.