Re: About the variable of "network_header" in the struct sk_buff

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thursday 2010-02-25 19:17, supercodeing35271 supercodeing35271 wrote:

>Hi,I really do not know that is it correctly of  asking such a foolish
>question in this high-level mailing list,but i could not find the
>answer by google it.
>As a recruit,i'm now studying netfilter,i want to write a simply test
>kernel module by the function of dropping the packet which the
>protocol is TCP.For that i have read the "Using Netfilter
>hooks"(http://www.topsight.net/article.php/2003050621055083/print),in
>the page there is a piece of code below:

You need to look at a recent documentation, such as "Writing 
Netfilter Modules" PDF/e-book.

>      static int check_tcp_packet(struct sk_buff *skb)
>          {
>              /*........................*/
>              if (skb->nh.iph->protocol != IPPROTO_TCP) {
>                  return NF_ACCEPT;
>              }
>
>              /*................*/
>          }
--
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

[Index of Archives]     [Netfitler Users]     [LARTC]     [Bugtraq]     [Yosemite Forum]

  Powered by Linux