NOTE: This allows you to run multiple servers on multiple interfaces The character server listens on the interface with this IP address. NOTE: This is useful when you are running behind a firewall or are on The character server connects to the login server using this IP address. Currently, I have edited the following conf files: I followed to get everything set up, and read other threads about Hamachi but still couldn't get it to work. I've been trying to use Hamachi so that I could play RO with my friends, but I haven't made much progress.