Options:
-c, --config Alternate configuration file
-d, --debug Debug output
-h, --help This bogus
-H, --host Host name or IP
-m, --minecraft Minecraft mode
-n, --nowait Don't wait for reply from server for commands.
-P, --password RCON Password
-p, --port Port or service
-s, --server Use this server from config file
-1, --1packet Unused, backward compability
But for preventing crush a server you must delete all SM RCon extensions: ./cstrike/addons/sourcemod/extensions/smrcon.ext.*