Snort IDS tips for VARs a

Snort configuration -- Defining ports of interest

Following the IP variables come three port variables:

var HTTP_PORTS 80
var SHELLCODE_PORTS !80
var ORACLE_PORTS 1521

The defaults are acceptable, but it makes sense to include ports relevant to the environment. For example, if the monitored network offers Web servers on port 8000, 8080 and 8888, add those to the HTTP_PORTS variable.


Snort: Understanding the configuration file

 Introduction: Upgrade to Snort 2.6.1.2
 The snort.conf file
 Defining IP ranges of interest
 Defining ports of interest
 Core preprocessors
 Non-dynamic preprocessors
 Conclusion

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.


This was first published in January 2007

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