Would OWA be an option?  All you need to do is open up one port either
443 or 80 preferrably the first.

Otherwise, just allow everything, it will be about the same any ways.
Since as you put it, it's only a temporary measure.

Andrew,
MCSE (NT & W2K) + CCNA


-----Original Message-----
From: Shawn Connelly [mailto:[EMAIL PROTECTED]] 
Posted At: Friday, November 02, 2001 3:49 PM
Posted To: NewsgroupDiscussion
Conversation: Accessing Exchange from Outlook 2k through firewall
Subject: RE: Accessing Exchange from Outlook 2k through firewall


To all those who suggested the obvious (RE: Big, bold, V P N).... well,
I guess, thanks for nothing!  

Or... perhaps I should have been clearer?

This is a temporary measure until I put in a real firewall.  I'm going
through the steps to obtain the money for a real firewall with VPN
management.  In the meantime (about another 3 weeks) I must allow access
to remote mail to a select group of employees.

The current (temporary) firewall (appliance) only allows one VPN session
at a time so VPN is not feasible at this time.

I'm not at all comfortable with so many open ports and I though
(mistakenly?) that someone from this group would be willing to help me.
It certainly isn't clear on the MS Knowledgebase. 

I no longer have a problem with off-line email and the msg, "Msg: The
attempt to log on to the MS Exchange Server has failed."; that seems to
have
gone away for no particular reason.   

All I ask is what specific ports require forwarding until I can get the
money I require to purchase a good firewall.

Thank you,
Shawn 



 -----Original Message-----
From:   Shawn Connelly  
Sent:   October 30, 2001 2:24 PM
To:     'Exchange Discussions'
Subject:        Accessing Exchange from Outlook 2k through firewall

(This is my first email to the group so hopefully I'll get this right!)

> I'm trying to access our Exchange Server through a firewall (> 
> utilizing
port forwarding) with Outlook 2000 and Exchange Server support (lan type
connection).  By process of elimination, I have discovered that the
forwarding the following ports works (sort of):

23-31,50,80,110,119,123,143
100-150
4500-5000

Obviously, I'd like to narrow down the 100-150 and 4500-5000.  


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