Support multiple packet processing threads.Syslog, a separate “alert” file, or even to a Windows computer via Samba. Snort has a real-time alerting capability, with alerts being sent to It features rules-based logging and can perform content searching/matching in addition to detecting a variety of other attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, and much more. Snort is a lightweight network intrusion detection system. In this tutorial, you will learn how to install and configure Snort 3 NIDS on Ubuntu 20.04.