Snort is an Open Source network intrusion prevention system capable of performing real-time traffic analysis and packet logging on IP networks. Snort can perform protocol analysis, content searching/matching. It can also be utilized for detecting a variety of attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and much more. Similar: How to Allow or Block a Program in the Windows 10/11 Firewall How to Restore or Reset Default Windows Defender Firewall Settings Hide Firewall & Network Protection in Windows 10 & 11