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 ...

Run the command "netstat -ab" in an elevated Command Prompt, PowerShell, or Terminal window to see a list of applications and their associated ports. Checking open ports can be done using built-in ...

Locate USB Controllers: In the Device Manager, scroll down and expand the "Universal Serial Bus controllers" category. Access USB Port Properties: Right-click on an entry named "USB Root Hub," ...

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 ...

Anywhere that multiple computing devices share a single Internet connection there is a router. Recently routers from Linksys, Netgear, Cisco and others were found to have a huge security flaw. This is ...

Every device connected to a network must have its own Internet Protocol address to communicate with other devices. In the case of most business and home networks, each computer is connected to a ...

If you have a computer with Thunderbolt ports, you may be at risk of a serious firmware flaw known as “Thunderspy.” The vulnerability, which was discovered by security researcher Björn Ruytenberg, ...

The first USB port hit the market in 1996, and the Universal Serial Bus quickly became the go-to port for connecting peripheral devices to computers. It remains a popular connection port today, with ...