You may need to monitor, or mirror, a port on an Ethernet switch to debug a data protocol, check for inappropriate use of your network or resolve a security breach. Using a monitor port on a network ...

Automated network monitoring involves scanning for device component failures and examining traffic patterns. Learn how to lighten the load of your network management responsibilities. Network device ...

In a previous article, I wrote about/confessed what a mess my home/home lab networking was and discussed various tools I used to discover what devices were connected to my home network and where they ...

The history of TCP port 80 started a long time ago when the IANA assigned TCP port 80 for HTTP activity and TCP port 443 for secure HTTP (HTTPS). HTTP was designed as a protocol to transport requests ...

The Raspberry Pi is an amazing little inexpensive Linux-based computer. It has been remarkably successful and there have been over Raspberry Pi systems sold. The Raspberry Pi can also be a useful tool ...

Network visibility is a top priority for many IT managers. When networks become larger and more complex, monitoring for performance and security is no longer optional, it becomes critical. Financial, ...

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 ...