Ulx Admin problems and Remote server

[swat245]

Hello ive been having problems with ulx as im still learning most of this stuff and recently got my server up. But the problems are is that every time i enter the rcon commands it says unable to connect to remote server then my ip for the server and i also looked at the troubleshooting section tried everything but still nothing please help me   

[JamminR]

Though you can add yourself to ULX using rcon, rcon itself isn't a ULX feature.
Please see the "RCON" section of the Gmod wiki regarding administrating a server.
http://wiki.garrysmod.com/?title=Admin
(The entire article would probably be helpful, as ULX is only a tool that makes administration easier)