Introduction to intrusion prevention systems

Detect and block attacks in real time

From the developerWorks archives

Himanshu Arora

Date archived: April 18, 2019 | First published: March 19, 2013

This article focuses on intrusion prevention systems (IPS), a technology that can detect and prevent computer systems from intrusions in real time. Learn about the different types of IPSs, how they work, and why they are better than traditional firewalls. This article discusses Snort, OSSEC, and Suricata, three popular free or open-source IPSs.

This content is no longer being updated or maintained. The full article is provided "as is" in a PDF file. Given the rapid evolution of technology, some content, steps, or illustrations may have changed.



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