ipopts
ipopts 规则选项用于检查IP头中是否存在指定的IP选项。
有11个可供选择的 ipopts 参数,一个 ipopts 选项只能有一个参数。这些选项包括以下内容:
rr: Record Route
eol: End of Options List
nop: No Operation
ts: Time Stamp
sec: Security
esec: Extended Security
lsrr: Loose Source Routing
lsrre: Loose Source Routing (For MS99-038 and CVE-1999-0909)
ssrr: Strict Source Route
satid: Stream ID
any: Any IP options are set
格式:
ipopts:{rr|eol|nop|ts|sec|esec|lsrr|lsrre|ssrr|satid|any};
例子:
ipopts:rr;