L4D2 Dedicated Server Cheats?

[cypher543]

My friend and I bought a L4D2 dedicated server because we want to modify the settings a little. For example, disable special infected and increase the size and frequency of mobs. However, it appears that cheats aren't allowed under any circumstances on dedicated servers. I read that you can load up an official map using the "map" command using RCON and then it will allow cheats, but this didn't work for me.

On our old L4D server, we just set sv_cheats to 1 in the configuration file and everything was just peachy. L4D2, however, completely ignores it, which makes absolutely no sense to me. The server is private and exclusive to a steam group, so it's not like someone looking for a regular game is going to pop in and be surprised by huge-ass mobs when they aren't expecting it.

Am I missing something, or did we just spend $12 for nothing?