Open ports in any system are meant to accept network packets that can compromise the security of the computer to a great extent. For security issues, ports that are unused are generally closed by a ...

System and network troubleshooting often involves checking and obtaining information about ports to ensure functionality and determine the source of problems. Learn handy tips to help keep systems ...

If you’ve ever run a game server or used BitTorrent, you probably know that life is easier if your router supports UPnP (Universal Plug and Play). This is a fairly old tech — created by a standards ...

When working with Linux, understanding how TCP ports behave is an important technical skill. TCP ports control how applications communicate over a network and determine which services are accessible ...

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 ...