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Roger Alcindor asked on

Windows ports for server access

What TCP ports are used by a client trying to access a file server to download files using a UNC name such as \\host.server.com
I need to know so that I can configure a firewall appropriately.

Thanks in advance,

Software FirewallsWindows 7Windows Server 2012

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Roger Alcindor

8/22/2022 - Mon
John Gobert

TCP 445
John Gobert

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Roger Alcindor

Thanks guys.
I have configured the firewall using the Admin control Panel from 1 & 1 who have provided me with a  cloud server (Microsoft Server 2012). I still can't access the server using SMB from a windows 7 or Windows Xp machine using \\myhost.mydomain.com
I was using this successfully last week but over the weekend it stopped working. I can still remote desktop onto the server and 1 & 1 support tell me that they don't support server configuration so I'm a bit stuck at the moment. If I can't fix it I will probably post another question in a different EE section after referring to the links supplied.
Your help has saved me hundreds of hours of internet surfing.