If you just use the accesscontrol feature of this, and don't use it as a mutator then you get session ban capability without losing the server "pure" status.
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Dogsbody at Miasma: Berserk Warfare (ONS and vCTF), Custom Freon, TAM, iCTF
Previously Admin at Titan Internet UK UT2004 Servers: (32 player ONS, Freon, RPG CTF)