iptablesのテーブルrawを調べる

Linux Network Security Memo

iptablesのmanを見ていたらこんなのが出てきたので調べる．

raw:
This table is used mainly for configuring exemptions from connection tracking in combination with the NOTRACK target. It registers at the netfilter hooks with higher priority and is thus called before ip_conntrack, or any other IP tables. It provides the following built-in chains: PREROUTING (for packets arriving via any network interface) OUTPUT (for packets generated by local processes)

とにかく目的を達成してくれるドキュメントが中々見つからない．
ソース嫁ってか．