Network 39 
Home Networking Basics
What Is Port Forwarding and How to Set It Up Safely
Port forwarding lets your router send outside traffic to specific devices inside your home network.
Home Networking Basics
Plain-English explanations of the core networking concepts behind every home setup.
2 articles
Home Networking Basics
Home Networking Explained: IP Addresses, DNS and DHCP
A friendly guide to how home networks actually work, covering IP addresses, DNS, DHCP and the difference between your modem and router.