Intrusion Detection Systems (IDS) Tools

What is Snort?
Snort is an open source network intrusion detection system (NIDS) and network intrusion prevention system (NIPS) that is created by Martin Roesch. Since 2013, Snort has been owned by Cisco. Snort entered as one of the greatest open source software of all time in InfoWorld’s Open Source Hall of Fame in 2009.

Is Snort Free?
No, Snort is a commercial tool.

Does Snort Work on all Operating Systems?
Snort works on Windows, Linux and MAC OS X operating systems.

What are the Typical Uses for Snort?
This tool is used to detect attacks or probes, including, but not limited to, common gateway interface, operating system fingerprinting, server message block probes, buffer overflows and stealth port scans. It also has the ability to perform packet logging on IP networks and real-time analysis.