In 2026, the question of whether you still need a firewall is more relevant than ever. With the rise of IoT devices, smart home technology, and increasingly sophisticated cyber threats, having a firewall in place is crucial for protecting your network and devices.

A quick guide on setting up a rule in Windows Defender Firewall with Advanced Security and UFW on Linux

A guide on how to set up Port Forwarding for your internal services

Static, Dynamic & Carrier NAT Explained. You can configure your router perfectly and still fail to host anything - simply because your public IP situation makes it impossible.

A quick explainer on TCP vs UDP (and why games use UDP)