Detection involves identifying patterns in traffic that deviate from normal operational behavior.
: The primary utilities for managing firewall rules . They provide strong filtering, Network Address Translation (NAT) , and state tracking. Linux Firewalls - Attack Detection and Response...
: A lightweight daemon that analyzes iptables logs to detect suspicious activity such as port scans, sweeps, and botnet communications. Network Address Translation (NAT)
: A tool that translates Snort intrusion detection rules into equivalent iptables rules using the string match extension to detect application-layer attacks. Linux Firewalls - Attack Detection and Response...