Code:
M 08/30/2010 - 21:55:51: [MANI_ADMIN_PLUGIN] Admin [Baron] [STEAM_0:1:13332923] Executed :  ma_rcon ma_ban #all 0
As you can see Katana <ibis.a> banned the zm server. As per the logs this was no mistake and therefore he is now banned from all the servers

All users are now unbanned.