On Friday 2010-06-04 18:35, Ninad Adi wrote: >I am not a Netfilter GURU. >Let Me know if my code tracing for netfilter is on right Path. >Kernel Version 2.6.34. > ># I have divided the netfilter activities happening in kernel in two parts > >MY QUESTIONS > >QUES 1 --> What is this nf_hook_slow function why is it called so ? Fastpath vs Slowpath. >QUES 2 --> How does the registration of custom hook process takes >place exactly and how does > packet know if there is any rule registered for it >or not in the kernel code ? You cannot know whether a particular Xtables rule is used, much less so from a Netfilter hook, which is outside Xtables. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html