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Re: [FW-1] Nat'ing a single service on NT



Neither, it simply acts (if I understand it properly) as an SMTP gateway so
all I need FW1 to do is redirect traffic intended for a.b.c.61 to
a.b.c.60...

This is replacing VirusWall (TrendMicro) which did use CVP, I am 99% sure I
got rid of all its configuration from FW-1.

Cheers,

Charles

-----Original Message-----
From: Damian Jaume [mailto:[email protected]]
Sent: 19 December 2001 14:24
To: [email protected]
Subject: RE: [FW-1] Nat'ing a single service on NT


Does the Mailsweeper uses CVP protocol to comunicate with te firewall ore
does it acts as a SMTP server and then redirect the mails to the real smtp
server?

-----Mensaje original-----
De: Mailing list for discussion of Firewall-1
[mailto:[email protected]]En nombre de Hobbs,
Charles
Enviado el: martes, 18 de diciembre de 2001 7:36
Para: [email protected]
Asunto: [FW-1] Nat'ing a single service on NT


I am having a problem setting up NAT on FW-1 v4.1 on NT4....

Currently we have an SMTP mail server at IP address a.b.c.61 in our DMZ
(Firewall interface to this segment is a.b.c.62 mask 255.255.255.192)

I am trying to implement Mailsweeper on a host a.b.c.60 and before I try and
get our ISP to change our mx record I want to set up NAT to redirect SMTP
targeted at a.b.c.61 to a.b.c.60.

I suspect I am missing something simple but I have tried both using
automatic address translation by adding a "legal address" of a.b.c.61 to the
Mailsweeper object (although this will nat all services which I don't want)
but this does not work. If I attempt to telnet with the rule in place to the
a.b.c.61 address I see the traffic apparently being translated in the FW-1
log but I do not get a connection...

The same happens if I manually setup a translation of any/a.b.c.61/smtp to
orig/a.b.c.60/orig

What am I missing (I have tried creating a local.arp with a.b.c.60 and its
mac address and rebooted but no change)...

Cheers,

Charles

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