Reuse an old router to connect wired-only devices -- like your TV, DVR, or game console -- to your wireless network. Ed Rhee Ed Rhee, a freelance writer based in the San Francisco Bay Area, is an IT ...

A router's wide area network (WAN) port acts as its gateway to other networks, providing an interface for the router to send outgoing traffic over. Computers should not be connected to a router's WAN ...

A top-down exploration of networking using the 5-layer model and the TCP/IP stack. HTTP, FTP, DNS, BSD Sockets, concurrent servers, checksums, reliable transport with stop-and-wait, go-back-n, ...