Bro: a free/open intrusion detection system
by Cory Doctorow from on (#YCDT)
"Bro network" an (unfortunately named) open/free IDS that turns all your network traffic into events that can trigger scripts you write. As Nat writes, "Good pedigree (Vern Paxson, a TCP/IP elder god) despite the wince-inducing name." (more")