| MistyRing 2002-02-20, 11:03 am |
| Can anyone help with this puzzler?
Standard firewall setup - External/Internal/DMZ
Exchange 5.5 OWA sitting on DMZ. User types URL and gets OWA logon screen but when attempt is made to log on there is 2-3 min delay then Page Cannot be Displayed Error (see attached).
Ports open between DMZ & Protected network are TCP 135, 138 & the 2 static Exchange ports & UDP 137.
I have a feeling the issue is present because the server environment is Win2K. Most MS docs refer to Ex 5.5 on NT4. Maybe additional ports need opened? So far I have tried opening the following:
80
443
88 Kerberos
445 Netlogon
53 DNS
389 LDAP
3268 DS Access |
of this: