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Clients with port locked... - 13.Mar.2008 1:41:32 PM

Hyde

Posts: 1
Joined: 13.Mar.2008
Status: offline

Hi to all, i have a strange problem in my lan. I have win server 2003 + isa server 2006 in a single server with a single netword card.
I have used the template to configure the basic access, and 2 rules to begin setting up the lan.

The first rule allow client to join in my domain, and i have no problem. all pc can join in my domain and access to the file server.

the second rule is about Mail and outlook.
I have allowed mail protocols from my internal lan to my isa host and viceversa.
In a lan with 10 pc, 7 pc can receive and send the mail with outlook correctly.
Instead 3 client can not.
I tried to manually use telnet to connect with my pop3, but it seems that the client port are closed or locked.
In apparence all this clients have the same configuration of ip, dns and isa firewall.

Some one can help me to find the possible problem?

P.S.
Sorry for my english language, probabily is not so correct.