RE: Documentation for writing new nf_contrack module

[Jeff Haran <jharan@xxxxxxxxxxxxxx>]

> -----Original Message-----
> From: netfilter-devel-owner@xxxxxxxxxxxxxxx [mailto:netfilter-devel-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Aft nix
> Sent: Friday, June 01, 2012 7:17 AM
> To: netfilter-devel@xxxxxxxxxxxxxxx; netfilter@xxxxxxxxxxxxxxx
> Subject: Documentation for writing new nf_contrack module
> 
> Hi,
> 
> I looking for good documention for writing or modifying netfilter
> modules. To be exact nf_contrack modules.
> 
> The netfilter hacking how to seems outdated and incomplete. So any
> other documentaion which can help me?
> 
> I'm interested in nf_contrack_sip module, which i will try to modify
> as my needs. I've tried to read the sources or nf_contrack_sip, but
> without a good background in netfilter core, it seems too much for me.
> 
> Any advice or links to kind of documents i'm looking for will be more
> than welcome.
> Cheers.
> 
> --
> -aft

I recommend "Writing Netfilter modules" by Jan Engelhardt and Nicolas Bouliane"

Just do a search on the above. The PDF is free.

Jeff Haran



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