starter.fps allow to query ip address?

Been searching this all day, but the info seemed all outdated.

But can anyone maybe outline how to change the query master button on starter.fps to query an ip address instead.

I figured changing 2:master.garagegames.com:28002 in server/default.cs would change things, but doesn't really do anything. Is there a way to tell if it's just a port forwarding problem or not.

Also if i open the console and use connect(); i just get parse errors.

Any help is greatly appreciated, trying to understand how things work.

Thanks