Chapter 15 Unified Threat Management for FortiOS 5.0 : Custom Application & IPS Signatures : Custom signature keywords : IP header keywords : ip_option
  
ip_option
Syntax: --ip_option {rr | eol | nop | ts | sec | lsrr | ssrr | satid | any};
Description:
Use the ip_option keyword to check various IP option settings.
The available options include:
rr: Check if IP RR (record route) option is present.
eol: Check if IP EOL (end of list) option is present.
nop: Check if IP NOP (no op) option is present.
ts: Check if IP TS (time stamp) option is present.
sec: Check if IP SEC (IP security) option is present.
lsrr: Check if IP LSRR (loose source routing) option is present.
ssrr: Check if IP SSRR (strict source routing) option is present.
satid: Check if IP SATID (stream identifier) option is present.
any: Check if IP any option is present.