This month marks the 20th anniversary of Nmap, the open-source network mapping tool that became the standard used by many IT professionals, but that can be a bit much if you only need to do general ...

NetCrunch Tools is an application for Windows Networking professionals that can help them troubleshoot and manage their network. It combines 11 troubleshooting tools, including DNS Audit, Ping Scanner ...

A good diagnostic tool for any sysadmin is a port scanner to ensure a firewall is working as intended to open or close ports. When you want a quick and dirty scanning tool, there are some great free ...