Cisco Secure Intrusion Detection System and Cisco Secure Scanner

This section covers network security tools that are useful for managing network security. Cisco Secure Intrusion Detection System (IDS), formerly known as NetRanger, and Cisco Secure Scanner, formerly known as NetSonar, are two security applications that allow network monitoring.


The CCIE Security written exam still refers to the terms NetRanger and NetSonar, so this guide refers to NetRanger and NetSonar as well.

NetRanger (Cisco Secure Intrusion Detection System)

NetRanger is an enterprise intrusion detection system designed to detect, report, and, in the event of unauthorized access, terminate data sessions between users and host devices.

NetRanger is an application designed ...

Get CCIE Security Exam Certification Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.