Windows DatabaseebooksStatistical Information

LWE10353 : Howto show and change the firewall settings for a windows 2008 server core-installation

Symptom:

You have a windows server 2008 core server and need to check your firewall settings and open some ports

Cause:

none

Solution:

You can use the netsh command to check your firewall settings. e.g.

netsh firewall show state

This command will show you if your firewall is active and the state it has.

To open certain ports you use the following command. e.g.

netsh firewall add portopening ALL 53 DNS-server

netsh firewall add portopening TCP 135 remote-admin

netsh firewall add portopening UDP 137 netbios-ns

netsh firewall add portopening UDP 138 netbios-dgm

netsh firewall add portopening TCP 139 netbios-ssn

netsh firewall add portopening TCP 445 netbios-ns


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