http://hce.halomaps.org/index.cfm?fid=3406MP anti-cheat and SP anti-cheat are in that pack.
every 6th of a second, it checks if cheats are enabled, and if they are, it disables em and leaves em a message (although I believe I forgot super jump in it, but just read it and add anything I forgot since it should be easy enough to understand (well, it should be really easy, but some people for some reason dont understand scripts what so ever..))
What all do you need blocked in devmode? (cause rcon would be easiest to just have it change the rcon pass every half a sec, that that will spam up the screen with changed passwords..) you can also make it so if anyone plays your map, it unbans people lol; sv_unban