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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
netstat -a
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.
Grantly
Posted 2016-10-24T17:36:47.190
Reputation: 101
2I would install vnc with a really strong password as a backup, make sure I can access and then make the changes. – DrNoone – 2016-10-24T17:53:46.547
Thanks, thats a super idea - as a backup method :) Does that need a specific Port too? Or does it use 80? (Not that it matters, its still a super idea, I will investigate) – Grantly – 2016-10-24T20:13:59.890
I think that the default port is 9100 – DrNoone – 2016-10-24T20:37:31.273