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SMTP authentication to Active Directory Domain Controller?

Posted on 2003-11-06
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Last Modified: 2010-03-05
If I have a smtp relay in a DMZ, what port do I need to open up to my internal interface for authentication via active directory? Is it 339?
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Question by:rrose987
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ikm7176 earned 500 total points
ID: 9694280
UDP/TCP 389 : Lightweight Directory Access
TCP 3268 : LDAP to global catalog servers


read these articles:

http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b278339

and these is also good one

http://is-it-true.org/fw/fwtips13.shtml

cheers
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