A port is a numeric identifier for software that runs on a computer, like Web server or email server software. When a port is open, it's accepting connections from the outside world. It's not uncommon ...

Data sent over a network is directed through specific ports, numbered 1 through 64435. A computer uses port numbers – similar to channels on a television – to determine how network traffic should be ...

Users of the new Apple MacBook laptops with limited USB-C ports know how important port hubs are to increase the capacity of connections. They can include Ethernet ports, memory card readers, USB-A ...

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 ...

Though Firewalls are necessary when your computer is connected to the Internet, they can cause problems trying to get Internet aware programs working properly. For example, if you wanted to host a ...

We may receive a commission on purchases made from links. Chances are that you have one or more Universal Serial Bus (USB) ports on your computer or laptop that are sitting empty and unused. Instead ...