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Snort

Snort

Snort is an open source network intrusion prevention and detection system utilizing a rule-driven language, which combines the benefits of signature, protocol and anomaly based inspection methods.

It can perform real-time traffic analysis, alerting, blocking and packet logging on IP networks. It utilizes a combination of protocol analysis and pattern matching in order to detect a anomalies, misuse and attacks. It detects a variety of attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and much more.

Snort uses a flexible rules language to describe activity that can be considered malicious or anomalous as well as an analysis engine that incorporates a modular plugin architecture. Snort is capable of detecting and responding in real-time, sending alerts, performing session sniping, logging packets, or dropping sessions/packets when deployed in-line.

 Snort

License
GNU GPL v2

Developer
Sourcefire Inc.

Website
www.snort.org

Requirements
libpcap

Support:
Snort Documentation, Community
, Snort Rules, FAQ, Project of the Month, December 2010

Selected Reviews:
Techworld

Features include:

  • 3 primary functional modes
    • Packet Sniffer like tcpdump
    • Packet logger (useful for network traffic debugging etc)
    • Full blown network intrusion, detection, and prevention system
  • Performs TCP stream reassembly
  • Stateful protocol analysis
  • Handles IP dedragmentation
  • Logs the full packets when alerts are generated
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Last Updated Sunday, November 23 2014 @ 03:53 AM EST


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