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From: Pablo Neira <pablo@eurodev.net>
To: emmanuel@netlab.hut.fi, netfilter-devel@lists.netfilter.org
Subject: Re: NF fields in sk_buff
Date: Wed, 04 Feb 2004 14:50:09 +0100	[thread overview]
Message-ID: <4020F891.4040704@eurodev.net> (raw)
In-Reply-To: <401A7C04.8060803@netlab.hut.fi>

Hi emmanuel,

Emmanuel Guiton wrote:

> Hi!
>
> I want to send a "built-by-hand" packet on the local hook. In the 
> sk_buff structure, there is two fields, nfmark and nfcache, which  I 
> don't really understand. Can someone give me a quick briefing on these 
> two fields?
> Quick search with google made me feel that I don't need them anyway 
> and that I can leave them blank. Right?


I know something about nfcache, I think that it's a Rusty's idea to 
improve the performance and avoid that a packet hits all the hooks but 
it wasn't implemented. See netfilter hacking how-to. section 4.5.

I think that you are right, you could leave them blank.

Pablo

      reply	other threads:[~2004-02-04 13:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-30 15:45 NF fields in sk_buff Emmanuel Guiton
2004-02-04 13:50 ` Pablo Neira [this message]

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