If you are looking for a free port scanner application to scan open ports on a server or host, you can check the top 5 free port scanners for Windows 10 in this post. MiniTool software also provides users easy data recovery application, hard drive partition manager, system backup and restore tool, etc.

A port scanner application can help find open ports on a server or host, and check the programs running on the detected ports. You can use a free port scanner to scan and determine if those open ports need to be closed to ensure more network security. This post introduces top 5 free port scanners for your reference.

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5 Best Free Port Scanner for Windows 10

Advanced Port Scanner

This free port scanner for Windows 10 allows you to quickly find open ports on network devices and identify programs running on detected ports. It also gives easy access to the resources found in HTTP, HTTPs, FTP and shared folders. It allows remote access to computers via RDP and Radmin.

GFI LanGuard

This free port scanning tool allows you to easily scan ports, detect, access and rectify security vulnerabilities. It offers free 30-day trial for security and port scanning. It can fix security patches, scan your network for security issues, and audit your security software and vulnerabilities across all devices.

TCP Port Scanner with Nmap

This best free port scanner for Windows 10 allows you to perform port scanning with custom parameters. You can also schedule periodic port scan to monitor the attack surface of your network.

SolarWinds Port Scanner

This application can scan available IP addresses and their corresponding TCP and UDP ports to identify network vulnerabilities.

WhatIsMyIP Port Scanner

This post scanner can scan and display which ports on a network are open for communication. You can use it to scan ports and determine if those open ports need to be closed to improve network security.

Note: Port scanning should be only for personal legal use but not for malicious use since it may put you into trouble.

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Best Data Recovery Software for Windows 10

If your computer has problems and some data gets lost, you can try a professional data recovery software to recover lost data.

MiniTool Power Data Recovery is a top data recovery software for Windows 10. You can use this tool to easily recover deleted/lost files from computer, external hard drive, SSD, SD card, USB drives, and more. It helps you tackle various data loss situations incl. system crash, hard drive failure and more. Only 3 simple steps to easily retrieve deleted/lost files. Just connect your device and select it to scan, then preview and save the recovered files to a safe location.

Port Scanner FAQ

Is it illegal to scan ports?
There is no federal law to ban port scanning in the US, but you may get into trouble to conduct a port and vulnerability scanning without permission of the owner of a scanned system.
What is port scanner used for?
A port scanner, just as the name says, is a program that is used to scan open ports on a network. Administrators can use it to identify the network security while attackers may use it to exploit network vulnerabilities which may be dangerous.
Why is port scanning dangerous?
Port scanning allows attackers to find weak point of network and attack a computer system. It’s dangerous if someone scan the open port for vulnerabilities.
Why is port scanning useful?
For network security technicians, a port scanner is important since it can help reveal possible security vulnerabilities on the target system.
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