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Date: Thu, 19 Nov 2009 22:35:11 +0800
From: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>
To: khaled MOHAMMED atteya <khaled.m.atteya@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: is kernel keep connection track?
Message-ID: <20091119143511.GA8392@hack>
References: <7f9112a50911190603q2bfc7ee2s7639eab5abcad8df@mail.gmail.com> <7f9112a50911190625m5d77f067u3a2efccf9479872e@mail.gmail.com>
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On Thu, Nov 19, 2009 at 04:25:40PM +0200, khaled MOHAMMED atteya wrote:
>Hi all
>
>if i have multiple ISP connection in my linux gateway , can kernel
>keep connection track for each connection?
>
>i mean , suppose i download a file through one isp , i want to
>guarantee that , file will be downloaded through this ISP else it will
>be stopped
>
>and what about this patch "http://www.ssi.bg/~ja/"?
>
>and if  kernel already keep connection track, which minimal kernel
>version do that?
>

I believe ip_conntrack can do what you want, check:

http://conntrack-tools.netfilter.org/

-- 
Live like a child, think like the god.