现在可以确定我在翻译的文章是没有错的,但对其中的一些句子还要斟酌。
http://www.netfilter.org/documentation/HOWTO//netfilter-hacking-HOWTO.txt中有如下语句:
The NF_IP_LOCAL_OUT [5] hook is called for packets that are created locally. Here you can see that routing occurs after this hook is called: in fact, the routing code is called first (to figure out the source IP address and some IP options): if you want to alter the routing, you must alter the `skb->dst' field yourself, as is done in the NAT code.