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From: Daniel Frederiksen <cyberdoc@cyberdoc.dk>
To: lartc@vger.kernel.org
Subject: [LARTC] Ip Src rewite.
Date: Tue, 25 Oct 2005 12:36:51 +0000	[thread overview]
Message-ID: <435E26E3.2080204@cyberdoc.dk> (raw)

Hello folks..

Does any of you know if it is possible to rewrite the ip src in a packet.
I have a problem involving a DMZ with external IP addresses routed 
trough a single WAN IP. When the server initiates a connection, it looks 
like it comes from the WAN ip instead of it's designated External IP 
routed through the WAN.
So in short, Is it possible to rewrite the packet in the router, with 
Iptables, to make it look like it comes from the external IP address 
instead of the WAN IP of the router/firewall.

Thank you very much for your time, I appreciate it.

/Daniel Frederiksen


NB: Small diagram of the setup.

   DMZ                     GW/FW           ISP/Internet
-----------------------------------------------------------------------
   Server #1  --|
   e.f.g.h3/26  |
                |---- Gateway/Firewall --- ISP  WAN IP: a.b.c.d/30
   Server #2  --|      a.b.c.d1/30         Ext. IP: e.f.g.h/26
   e.f.g.h4/26         e.f.g.h1/26
----------------------------------------------------------------------

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             reply	other threads:[~2005-10-25 12:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-25 12:36 Daniel Frederiksen [this message]
2005-10-25 12:45 ` [LARTC] Ip Src rewite Oscar Mechanic
2005-10-25 12:58 ` Daniel Frederiksen
2005-10-25 13:21 ` Oscar Mechanic
2005-10-25 13:25 ` Oscar Mechanic
2005-10-25 22:03 ` Daniel Frederiksen
2005-10-26  0:25 ` /dev/rob0
2005-10-26  1:20 ` Daniel Frederiksen

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