Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

An Ethernet port can look like the problem when a cable, router, switch, or device setting is actually to blame. A few simple ...

Back in the day, when Wi-Fi routers weren't as popular, you would find most people using RJ45 Ethernet cables to connect their computers to the internet. Even now, lots of users default to a wired ...

Port forwarding is a crucial networking technique that allows you to make a computer or device on your local network accessible to the internet, bypassing the security features of your router. This is ...

The R86S mini PC is a compact computer designed for networking applications. For example you could use it as firewall, network-attached storage device or media server, or as a general-purpose computer ...

Jack Wallen demonstrates how to open a port in Portmaster to allow secure shell traffic into a desktop computer. Portmaster isn’t just a cross-platform network monitor — it’s also a very powerful ...