netdev - Re: Passive OS fingerprint xtables match.

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Message-ID: <49BE6569.4060801@trash.net>
Date:	Mon, 16 Mar 2009 15:42:49 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Evgeniy Polyakov <zbr@...emap.net>
CC:	Pablo Neira Ayuso <pablo@...filter.org>, netdev@...r.kernel.org,
	David Miller <davem@...emloft.net>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>,
	Jan Engelhardt <jengelh@...ozas.de>
Subject: Re: Passive OS fingerprint xtables match.

Evgeniy Polyakov wrote:
> Hi Pablo.
> 
> On Wed, Mar 11, 2009 at 10:54:21AM +0100, Pablo Neira Ayuso (pablo@...filter.org) wrote:
>>> Fingerprint matching rules can be downloaded from OpenBSD source tree
>>> and loaded via netlink connector into the kernel via special util found
>>> in archive. It will also listen for events about matching packets.
>> I like this feature. We have nfnetlink so I don't see why we should use
>> the netlink connector instead.

I fully agree.

> OSF exists about 6 years already, netlink configuration was added in
> 2005, I do not remember if nfnetlink existed those days (IIRC it did
> not, since I reused ULOG netlink first), right now I just cleanup
> what was written before.

We do have nfnetlink today however, so this argument does no longer
apply. I don't mind the order in which things are fixed up of course,
but before merging, it needs to be converted to nfnetlink.
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