In the next Snort Report we will see what sorts of activity Snort might detect given this limited configuration. In the Snort Report that follows we will explore Snort's new dynamic preprocessors (FTP, TELNET, SMTP, SSH, DCE-RPC and DNS) by adding them to the configuration file.
Snort: Understanding the configuration file
Introduction: Upgrade to Snort 126.96.36.199
The snort.conf file
Defining IP ranges of interest
Defining ports of interest
About the author
Richard Bejtlich is founder of TaoSecurity, author of several books on network security monitoring, including Extrusion Detection: Security Monitoring for Internal Intrusions, and operator of the TaoSecurity blog.