From: Patrick McHardy <kaber@trash.net>
To: Changli Gao <xiaosuo@gmail.com>
Cc: Netfilter Developer Mailing List
<netfilter-devel@vger.kernel.org>,
Linux Netdev List <netdev@vger.kernel.org>
Subject: Re: RFC: netfilter: synproxy iptables target
Date: Thu, 20 May 2010 16:11:28 +0200 [thread overview]
Message-ID: <4BF54310.6030004@trash.net> (raw)
In-Reply-To: <AANLkTimp6S7MpwDAT8l-M0ZWjs2HIcUEfL5f8j9-QDZh@mail.gmail.com>
Changli Gao wrote:
> I have implemented a simple SYNPROXY iptables target. It is much like
> the SYNPROXY implementation in pf of OpenBSD, but won't have state
> until the first connection is established with the help of syncookies.
> The code is hosted at github:
>
> http://github.com/xiaosuo/xiaosuo/tree/master/synproxy/
>
> Currently, it can work with firewall and local socket.
>
> It is in the very early stage, and ugly. And I will add --timeout
> parameter to this target as TCP_DFER_ACCEPT, so I can do NAT basing on
> the request data.
>
> i.e.
>
> iptables -t nat -A OUTPUT -p tcp -m synproxy --http-url "*.jpg" -j
> DNAT --to-destination $image_http_server:80
>
> And is there any chance to merge it into mainline?
If you can state a good use case, sure. I don't know much about the
PF synproxy myself.
next prev parent reply other threads:[~2010-05-20 14:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-20 9:46 RFC: netfilter: synproxy iptables target Changli Gao
2010-05-20 14:11 ` Patrick McHardy [this message]
2010-05-20 14:21 ` Changli Gao
2010-05-20 14:25 ` Patrick McHardy
2010-05-20 14:33 ` Changli Gao
2010-05-20 14:32 ` Eric Dumazet
2010-05-20 14:42 ` Changli Gao
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