It's FAQ 3.16 if you prefer your FAQ for Exchange 2000,
http://www.swinc.com/resource/e2kfaq_sec3.htm, or FAQ 3.24 if you prefer
Exchange 5.x at http://www.swinc.com/resource/exch_faq_sec3.htm.  As Don
noted, BAD idea.  Use OWA over SSL, or VPN & Outlook, or both, if you'd
like a secure environment.

> -----Original Message-----
> From: Shawn Connelly [mailto:[EMAIL PROTECTED]]
> Posted At: Tuesday, October 30, 2001 01:24 PM
> Posted To: MSExchange Mailing List
> Conversation: Accessing Exchange from Outlook 2k through firewall
> 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.  
> 
> Though I can finally read and respond to email, I found that 
> my offline
> folders have disappeared from my laptop (not sure if this was 
> a coincidence
> or not) and attempting to re-instate the offline folders gives me the
> following error:
> 
> From tools/Off-line folder settings:
> Msg: You must configure an offline folder before you can use 
> this folder
> offline. Would you like to configure an offline folder now?  
> Response: yes
> Msg: The attempt to log on to the MS Exchange Server has failed.
> Why this happening?  Remember while attempting this 
> operation, I am already
> successfully connected to the Exchange server.  My only guess 
> is that I need
> to forward more port numbers through the firewall.
> I have search through the MS Knowledgebase, my Exchange 
> server manuals,
> other on-line support sites, Slapstick, etc.
> Your help is greatly appreciated,
> Shawn
> --------------------------------------------------------------
> --------------
> -----------------------------------------------------
> Shawn Connelly, Network Engineer.  Dipix Technologies Inc.   
> This message is coming from a remote location!
> 

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