Glossary: Hardening, Firewalls and Intrusion Detection

IPS (intrusion prevention system)

Also written: IPS, intrusion prevention

A tool that does everything an IDS does and can also stop the attack as it happens, by dropping traffic or blocking actions. It is a preventive control.

Where the book teaches it

Chapter 5: Intrusion Detection and Prevention
Chapter 6: Firewalls
Chapter 7: What's next

Related terms

IDS (intrusion detection system)NIPS (network-based intrusion prevention system)HIPS (host-based intrusion prevention system)UTM (unified threat management)