I want to change the default Port of 3389 used for RDP to my Server (Windows Web Server 2008 R2) to another Port.
I have Kaspersky anti-virus (no firewall) and Windows Firewall with Advanced Security running.
The trick - or the main thrust of my question - is I simply cannot lose the access to this Server. (ie I cannot make a mistake, as I do not have physical access to the machine to be able to fix any errors I make. Remote access only. If I break this - it could cost hundreds of $$ for someone else to physically revert the changes for me - on the other side of the world.)
Is there a way I can test my changes - while remotely accessing the machine - before 'switching' over to the new Port number?
I understand I need to change the Port number in:
- Windows Firewall
- Registry for RDP
I also understand I can use
to see which Ports are being listened to.
So I guess I am after a contingency plan plus the correct order of execution of certain steps to reduce my chance of making a mistake.