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From: "Ложечник Александр" <A.Logechnik@itak.ua>
To: netfilter@lists.netfilter.org
Subject: Re: Differentiating direct, and redirected access?
Date: Mon, 18 Oct 2004 18:18:21 +0000	[thread overview]
Message-ID: <417408ED.5070406@itak.ua> (raw)
In-Reply-To: <D5C9032B2B09C64EA2409D6214E91AC9C05825@asimail2.alphanumeric.com>

Jason Opperisano wrote:

>>-t nat -A PREROUTING -i eth0 -d ! $INT_ROUTER_IP -p tcp --dport 80 -j
>>REDIRECT --to-ports 3128
>>-A INPUT -i eth0 -d $INT_ROUTER_IP -p tcp --dport 3128 -J REJECT
>>
>>TCP SYN have external ip dst_ip.
>>    
>>
>
>the TCP SYN to port 80 has the dst IP of the web server on the internet.
>
>the redirected packet to TCP port 3128 has the dst IP of the redirected
>interface (eth0 in this case).
>
>your suggested REJECT rule will reject all redirected traffic to port
>3128, and is essentially the issue the OP had already run into, and was
>asking for a work-around.
>
>-j
>
Hmm. Your right. So, fw-mark is great idea.

 
wbr, Logechnik Alexandr

In God we trust, but something 
else must have X.509 certificate



  reply	other threads:[~2004-10-18 18:18 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-18 14:40 Differentiating direct, and redirected access? Jason Opperisano
2004-10-18 18:18 ` Ложечник Александр [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-10-19  2:15 J Kim
2004-10-18 14:24 Jason Opperisano
2004-10-18 17:34 ` Ложечник Александр
2004-10-18  2:19 J Kim
2004-10-18 15:50 ` Aleksandar Milivojevic
2004-10-18 18:14 ` Jose Maria Lopez

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