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From: Taylor Grant <gtaylor@riverviewtech.net>
To: Royce Kemp <rkemp@ip3.com>
Cc: Alistair Tonner <Alistair@nerdnet.ca>, netfilter@lists.netfilter.org
Subject: Re: NAT problem when coming from private network
Date: Thu, 21 Apr 2005 22:39:30 -0500	[thread overview]
Message-ID: <426871F2.9010700@riverviewtech.net> (raw)
In-Reply-To: <6.0.1.1.2.20050421193231.01d01a20@insight.ip3.com>

> at first this is what I thought the solution would be, but Mark Wells 
> said that his mail server is on the same subnet as the client machine 
> (192.168.1.8 and 192.168.1.34)... so why can't the mail server 
> communicate directly with the client machine? so packet go from client 
> to firewall and are redirected to the mail server.. then the mail server 
> will arp for 192.168.1.34 and return packet directly to him). is this 
> not possible?

No, this is not possible because the client will think that it is talking to the firewall and is getting a response back from the mail server which it was not talking to (in the client's mind).



Grant. . . .


  reply	other threads:[~2005-04-22  3:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-21 20:24 NAT problem when coming from private network Mark Wells
2005-04-22  2:16 ` Alistair Tonner
2005-04-22  2:35   ` Royce Kemp
2005-04-22  3:39     ` Taylor Grant [this message]
2005-04-22  4:22     ` Jason Opperisano
2005-04-22  4:03 ` Taylor Grant
2005-04-27 20:59   ` Mark Wells
2005-04-27 21:03     ` Mark Wells
  -- strict thread matches above, loose matches on Subject: below --
2005-04-22  2:42 Gary W. Smith

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