Snort 2.1 Intrusion Detection
by Brian Caswell, Stephen Northcutt (Foreword by), Michael Rash (As told to), Jay Beale, Andrew R. Baker, Mike Poor, Raven Alder (As told to), Jacob Babbin (As told to), Adam Doxtater (As told to), James C. Foster (As told to), Toby Kohlenberg (As told to)