1. 2005-04-18 [Prelude-announce] [Prelude Hybrid Intrusion Detectio prelude-a noreply 2. 2005-03-30 [Prelude-announce] [Prelude Hybrid Intrusion Detectio prelude-a noreply 3. 2005-03-30 [Prelude-announce] [Prelude Hybrid Intrusion Detectio prelude-a noreply 4. 2005-03-30 [Prelude-announce] [Prelude Hybrid Intrusion Detectio prelude-a noreply