Portmaster isn’t just a cross-platform network monitor — it’s also a very powerful security tool that can help to lock down your desktops and block things like ads, trackers and malware. I’ve been ...

This article, List open ports and listening services, originally appeared on TechRepublic.com. One of the biggest headaches for network administrators is open ports on devices. Unless you manually ...

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 ...

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 ...

Open ports can expose your business's computer or network to security breaches. Discovering and closing open ports is essential for keeping your network safe. You can identify open ports on a Windows ...

Are you having trouble getting your favorite multiplayer games or chat program to connect to the internet? Does your tablet’s web browser fail despite being connected to a Wi-Fi network? Your problem ...

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 ...

Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

Most routers include a built-in firewall that blocks certain programs and services from running on the network. Although a business should never allow its computer equipment to connect to the Internet ...

Knowing what services are running on your systems, and being able to identify if and when any of those services change, is the first step in securing your netwsork. Many tools can accomplish this, but ...