MaGe Linux Operations

Oct 27, 2021 · Information Security

Mastering iptables: A Complete Guide to Linux Firewall Tables, Chains, and Rules

This article provides a comprehensive overview of iptables, explaining its table and chain architecture, detailing the built‑in tables (filter, nat, mangle, raw), describing common chains and targets, and offering practical command‑line examples for listing, flushing, persisting, and customizing firewall rules on Linux systems.