Windows NT authentication through a firewall?

From: The Lurker (
Date: 12/17/03

Date: Wed, 17 Dec 2003 19:00:20 GMT

Does anyone know what ports need to be open to allow Windows NT
authentication through a firewall? From what I read in KB832017 it
looks as though LDAP (port 389) is all that the LSASS service needs,
but in practice that doesn't seem to be enough. Any suggestions?

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