Snort is an Open Source network intrusion prevention system, capable of performing real-time traffic analysis and packet logging on IP networks.

Snort is an Open Source network intrusion prevention 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.

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