You can configure your server from the game server control panel (https://cp.elitegameservers.net/)
From here you can configure the server name, rcon password, private/join password and many gameplay related settings.
- Go to your game server in the game server control panel
 - Click on configuration files

 - Click on configuration editor next to "cstrike\server.cfg". 
Note: Advanced users can opt to use the text editor, to edit the configuration file manually.
 - Configure the parameters to your liking, and click save.

 
