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Firewall policy for VNC and Remote Desktop

EC Chong

How do I configure the policy to allow VNC and Remote Desktop for client that has installed Sophos Client?

I did the below but still not able to VNC and remote desktop in.

I created a Global Rules for VNC:

Where the protocol is Stateful TCP
and the direction is Inbound
and the remote post is 5500, 5800, 5900
and the local port is 5500, 5800, 5900

 

I created a Global Rules for Remote Desktop:

Where the protocol is Stateful TCP
and the direction is Inbound
and the remote post is 3389
and the local port is 3389

 

After sync the policy to client, still not able to VNC/Remote Desktop.
Any helps? Thanks.



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  • +1

    Hello EC Chong,

    normally the Firewall Events can help to configure the necessary rules. 
    Off the top of my head - neither VNC nor RDP use the well-known ports as source ports. If you specify both a local and remote port in your rules the connection is naturally only allowed when both match. And of course you should get corresponding alerts or entries in the local firewall log.

    Christian

Reply
  • +1

    Hello EC Chong,

    normally the Firewall Events can help to configure the necessary rules. 
    Off the top of my head - neither VNC nor RDP use the well-known ports as source ports. If you specify both a local and remote port in your rules the connection is naturally only allowed when both match. And of course you should get corresponding alerts or entries in the local firewall log.

    Christian

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