snort-2.1.1.tar.gz

Snort is an open source network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching/matching and can be used to detect a variety of attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and much more. Includes real time alerting, incorporating alerting mechanisms for syslog, a user specified file, a UNIX socket, or WinPopup messages via smbclient.