[SLE] Banning a Domain

Is there any way I can completly ban a domain from any kind of interaction with my server? Thanx Chris -- To unsubscribe send e-mail to suse-linux-e-unsubscribe@suse.com For additional commands send e-mail to suse-linux-e-help@suse.com Also check the FAQ at http://www.suse.com/Support/Doku/FAQ/