RDP file expires

Question

I have a client that has 2 servers with Public IP's. Near as I can determine the public IP's keep changing, and they use a DNS string in the RDP file to connect to the server ex. **ec2-3-92-0-204.compute-1.amazonaws.com**

It seems when the IP changes, this DNS string no longer works. The client has to either go to the site and get the new IP or download a new file. Is there anything I can do about this, OR is it possible to determine if they are paying for an elastic IP assigned to these servers, and if they aren't, can I change the public IP to a static elastic IP without having to rebuild the servers, currently they are production servers.

thanks

Al

Riku_Kobayashi · Answer

Set the Elastic IP to EC2.  
The Elastic IP is a fixed IP address, so it will not change even if EC2 is stopped.  
It can be set up in the manner described in the following document.  
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html

Gary Mclean · Answer

Public IP address can can when machines stop and start. Elastic IP address can be assigned without rebuilding them.

If you notice the dns name is the ip address of the EC2. Of course it will not work when the IP address changes.

What’s worrying is that they have RDP accessible over the internet.

RDP file expires

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