From: Alexandru Gheorghe <alghe.global@gmail.com>
To: netfilter@vger.kernel.org
Subject: LKM with hook that catches iptables hits
Date: Wed, 25 Jun 2014 10:37:36 +0300 [thread overview]
Message-ID: <53AA7C40.2010707@gmail.com> (raw)
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Hi guys. I am trying to think of an LKM which could have a general hook
in the sense that whatever iptables defines from user space this hook
will catch when a rule is hit (every rule) and will log it (KERN_INFO).
I do not want to define an NFLOG for each rule (that will be tedious,
especially in a machine dedicated as a firewall for example). Is this
even possible?
The general purpose is to have a method of tracking all packets in order
to see what chains/rules are hit.
This will make possible to observe the routes some packets travel when
they travel the firewall's layout. The kernel is a 2.6.32.x one.
Thank you for any feedback or input, gratefully appreciated.
--
; Alexandru Gheorghe
; alghe.global {at} gmail {dot} com
; OpenPGP key ID 0xCAF985D2
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next reply other threads:[~2014-06-25 7:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-25 7:37 Alexandru Gheorghe [this message]
2014-06-25 12:03 ` LKM with hook that catches iptables hits Pablo Neira Ayuso
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