Elron software have an article about this on their support page.
Even though you may not be using Elron Firewall, the Exchange settings part
may be relevant as it describes how to predetermine the ports,
http://support.elronsoftware.com/Support/FWWEB.NSF/SearchView/$SearchForm?Se
archView
<http://support.elronsoftware.com/Support/FWWEB.NSF/SearchView/$SearchForm?S
earchView>
Search for Exchange then select the first item (ADDING NEW SERVICE:
Microsoft Exchange Server (v4 or v5)
</Support/FWWEB.NSF/d43e687e1ccbf9f58525656e0006de25/aa43faa343c14b2b8525660
20055a4aa?OpenDocument> )
James Smith
MCSE
-----Original Message-----
From: Benak, Derek R [mailto:[EMAIL PROTECTED]]
Sent: 11 March 1999 13:46
To: '[EMAIL PROTECTED]'
Subject: RE:Access an exchange server through out
firewall
While I am not well versed in the security aspects of this
arrangement, I do
know how to set it up.
You are fairly close on your setup, but the DS and IS posts
must be staticly
set on your Exchange server. Unless this has been changed,
Exchange will
randomly determine which ports will be used.
Refer to Articles Q176466, Q148732, and Q155831 on the
Microsoft Support
site for detailed information on how to set this up.
These articles my be able to answer your other questions. If
you do not
access to these articles, please contact me directly and I
will forward them
to you.
Derek Benak,
LAN Engineer
Pepsi Cola General Bottlers
[EMAIL PROTECTED]
>>Subject: Access an exchange server through out firewall
>>
>>Hi All,
>>
>>We have a user here who needs to access an exchange
server.
>>The problem is that the exchange server is outside out
firewall.
>>
>>I have been told that all I need to do is open the
following ports
>>
>>135 RPC Endpoint Mapper
>>20050 MS Exchange Directory Services
>>20051 MS Exchange Information Store
>>
>>Its TCP inbound and outbound
>>
>>Is this going to open and holes?
>>Which interface (inside vs outside) do I have start the
proxy on?
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