X400 uses port 102

-----Original Message-----
From: uppiliv [mailto:[EMAIL PROTECTED]] 
Sent: Friday, 26 October 2001 2:00 a.m.
To: Exchange Discussions
Subject: x.4oo and Firewall (checkpoint 2000)



I have two sites running exchange server.

The network is as follows

MS Exchange server--------------------internet----Exchange
(network A)                                     (network B)

The bridge head sever is in network B
Network B exchange 5.5 is running and X.400 has been configured.The mails
for the exchange server in network B are sent using x.400 and SMTP is
through IMS.This setup is working fine.

After changing the setup like this 

MS Exchange server------firewall-------------internet----Exchange
(network A)          (checkpoint)                        (network B)




The network A is unable to recieve mails from network B.I have opened all
the ports in the firewall and i have configured the firewall to accept in
any port.The rule base is like this

source     destination             service           accept/deny

Any         Exchange Server        Any                 accept

            (network A)

 The SMTP and HTTP are working perfectly  in network B.Iam able to open OWA
from outside. can any tell what port the MS exchange and  x.400 is using.Can
any one suggest a solution for this


thanks in advance

Uppiliv

[EMAIL PROTECTED]












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