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B-22
Cisco Intrusion Prevention System CLI Sensor Configuration Guide for IPS 7.1
OL-19892-01
Appendix B Signature Engines
Atomic Engine
specify-ip-version {yes | no} (Optional) Enables inspection of the IP
version:
• ip-version—Specifies which IP version to
inspect.
0 to 16
L4 Protocol
specify-l4-protocol {yes | no} (Optional) Enables inspection of Layer 4
protocol:
• l4-protocol—Specifies which Layer 4
protocol to inspect.
icmp
icmpv6
tcp
udp
other
L4 Protocol Other
specify-other-ip-protocol-id (Optional) Enables inspection of other Layer 4
protocols:
• other-ip-protocol-id—Specifies which
single IP protocol ID or single range of IP
protocol IDs for which to send alerts.
0 to 255
L4 Protocol ICMP
specify-icmp-code {yes | no} (Optional) Enables inspection of Layer 4
ICMP code:
• icmp-code—Specifies the value of the
ICMP header CODE.
0 to 65535
specify-icmp-id {yes | no} (Optional) Enables inspection of Layer 4
ICMP ID:
• icmp-id—Specifies the value of the ICMP
header IDENTIFIER.
0 to 65535
specify-icmp-seq {yes | no} (Optional) Enables inspection of Layer 4
ICMP sequence:
• icmp-seq—Specifies the ICMP sequence
for which to look.
0 to 65535
specify-icmp-type {yes | no} (Optional) Enables inspection of the Layer 4
ICMP header type:
• icmp-type—Specifies the value of the
ICMP header TYPE.
0 to 65535
L4 Protocol ICMPv6
specify-icmpv6-code {yes | no} (Optional) Enables inspection of the Layer 4
ICMPv6 code:
• icmpv6-code—Specifies the value of the
ICMPv6 header CODE.
0 to 255
Table B-8 Atomic IP Advanced Engine Parameters (continued)
Parameter Description Value