nftables: What Replaced iptables and Why You Should Care
Complete nftables guide: the modern replacement for iptables with unified IPv4/IPv6, sets, atomic updates, and cleaner syntax for Linux firewalls.
networking
From bridges to BGP — hands-on network engineering.
posts
iptables: The Commands You Actually Need
Complete iptables firewall guide: tables, chains, rules, real server configuration, troubleshooting, and practical security examples for Linux systems.
WireGuard From Scratch: Private Networking That Actually Makes Sense
Complete WireGuard VPN guide: hub-spoke setup, peer configuration, routing with AllowedIPs, troubleshooting, and practical use cases for secure networking.
Linux Networking: A Hands-On Journey Through Bridges, Tools, and Troubleshooting
Linux Networking: A Hands-On Journey Through Bridges, Tools, and Troubleshooting - practical guide with examples and best practices.