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 ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

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 ...

Nmap, short for Network Mapper, is a free and open source tool used for vulnerability checking, port scanning and, of course, network mapping. Despite being created back in 1997, Nmap remains the gold ...

A number of Chinese PC makers have begun offering small fanless computers with low-power processors and a bunch of high-speed Ethernet ports. While they’re basically full-fledged desktop PCs, they’re ...

Port forwarding or Port mapping is the process through which external traffic from the Internet can connect to a computer within a private network. In this post, we will learn how to port forward a ...