Nsauditor's Free Port Scanner is a free program developed for use on Windows networks. It allows network administrators to connect to all networked PCs and monitor the port status of each machine. An IT professional may also use this to scan for vulnerabilities and identify what services are running on each PC.

The software sends a message to the specified ports and keeps track of the responses. The IT administrator should next remedy any faults found by the scan, such as security vulnerabilities. There are other networking suites available; Nmap and SoftPerfect Network Scanner are two alternatives to Nsauditor's service you can examine.

Is port scanning illegal?

Port scanning is commonly used by hackers to find weak points in a network. Port scanning is used for the same reason by both hackers and lawful IT specialists. The sole distinction is whether the action is meant to be preventative or malevolent. It's a never-ending race against the clock to fill the gaps before criminals notice them. 

It is available for free in a limited version, but if you want a full-featured scanning tool, you must pay. There is no use in using the free version if you want sophisticated features. When uninstalling the program, you must uninstall it using the Windows control panel's 'Uninstall or change a program' section because it is not a Microsoft Store app.

The steps to remove the application are as follows: Locate it in the list of programs, right-click it, and select 'Uninstall.' In the control panel program list, right-click on the app and select 'Uninstall.' If you're asked if you want to proceed, reply “yes” and add, "See the open ports."

Access open ports

Free Port Scanner is a great option for determining if network ports are open. The user interface is a touch dated, but it's simple to use, which is crucial for IT professionals. The scan results make it straightforward to determine which network ports are open. Whether you're an IT professional or a curious amateur, Free Port Scanner may assist you in monitoring the security of your network.