B-19
Cisco Intrusion Prevention System CLI Sensor Configuration Guide for IPS 7.1
OL-19892-01
Appendix B Signature Engines
Atomic Engine
specify-first-next-header {yes |
no}
(Optional) Enables inspection of the first next
header:
• first-next-header—Specifies the value of
the first next header to inspect.
0 to 255
specify-flow-label {yes | no} (Optional) Enables inspection of the flow
label:
• flow-label—Specifies the value of the
flow label to inspect.
0 to 1048575
specify-headers-out-of-order
{yes | no}
(Optional) Enables inspection of out-of-order
headers:
• headers-out-of-order—Inspects headers
that are out of order.
true | false
specify-headers-repeated {yes |
no}
(Optional) Enables inspection of repeated
headers:
• headers-repeated—Inspects repeated
headers.
{yes | no}
specify-hop-limit {yes | no} (Optional) Enables hop limit:
• hop-limit—Specifies the value of the hop
limit to inspect.
0 to 255
specify-hop-options-header
{yes | no}
(Optional) Enables inspection of the
hop-by-hop options header:
• hoh-present—Inspects the hop-by-hop
options header.
have-hoh | no-hoh
Table B-8 Atomic IP Advanced Engine Parameters (continued)
Parameter Description Value