# Intrusion Detection Systems Information

Intrusion Detection Systems (<span class="caps">IDS</span>) have many approaches. This page is intended to document the different approaches and reference places where more information can be obtained.

Intrusion Detection Systems — [http://en.wikipedia.org/wiki/Intrusion\_detection\_system](http://en.wikipedia.org/wiki/Intrusion_detection_system)  
Intrusion Prevention Systems — [http://en.wikipedia.org/wiki/Intrusion-prevention\_system](http://en.wikipedia.org/wiki/Intrusion-prevention_system)  
Host-based <span class="caps">IDS</span> — [http://en.wikipedia.org/wiki/Host-based\_intrusion\_detection\_system](http://en.wikipedia.org/wiki/Host-based_intrusion_detection_system)  
Application Protocol-based <span class="caps">IDS</span> — [http://en.wikipedia.org/wiki/Application\_Protocol-based\_Intrusion\_Detection\_System](http://en.wikipedia.org/wiki/Application_Protocol-based_Intrusion_Detection_System)  
Network <span class="caps">IDS</span> — [http://en.wikipedia.org/wiki/Nids](http://en.wikipedia.org/wiki/Nids)