The final number will be lesser between number given here and number of mission slots. The maximum number of players that can connect to server. Password required by alternate syntax of serverCommand server-side scripting.
This is located under 'arma/config/server.cfg' on your Game Server and can be edited via the file browser (located under Tools on the web interface) or via FTP. This article covers the different settings for the config file in ArmA 3 servers (server.cfg). Rent your own Prepaid ArmA 3 server! Introduction