I don't know if this is even possible... I have a single static IP and 3 servers connected to the router. 1 server is Ubuntu Linux with an SSH server. 6 or 8 domain names are linked to my 1 static IP. What I am hoping to achieve is for Linux only to accept an SSH connection if a certain name is used.
Is this going to require a DNS server on this side of my firewall? Or is this even possible.
Thanks in advance for any advice.