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From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
To: Netfilter IPtableMailinglist <netfilter@lists.netfilter.org>
Subject: Re: Trouble shooting for port forwarding ,	Want to make sure port is forwarded
Date: Tue, 01 Aug 2006 12:23:36 +0200	[thread overview]
Message-ID: <44CF2BA8.50106@plouf.fr.eu.org> (raw)
In-Reply-To: <20060801094234.35522.qmail@web55506.mail.re4.yahoo.com>

Hello,

John Joseph a écrit :
> Hi 
>     For the purpose of trouble shooting  , one  setup
> which I had done  for redirecting port 110 to port
> 8110 ( same machine)  . For this purpose   I gave the
> command as 
> 
> iptables -t nat -A PREROUTING  -p tcp --dport 110 -j
> REDIRECT --to-port  8110
> 
>    Now after this . When I do a tcpdump for port 8110
> , I do not get any results , when I  access port 110 

This is normal. Tcpdump sees the incoming original packets when they 
arrive at the interface, before they are DNATed or REDIRECTed by 
iptables in the PREROUTING chain.


      parent reply	other threads:[~2006-08-01 10:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-01  9:42 Trouble shooting for port forwarding , Want to make sure port is forwarded John Joseph
2006-08-01  9:49 ` Guillaume
2006-08-01 10:23 ` Pascal Hambourg [this message]

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