Top 10 Open Port Scanner and Port Checker Tools for 2021

From gbhackers.com

Top 10 Open Port Scanner and Port Checker Tools for 2020

Port scanner and port checker tools are one of the most essential parts to find the open ports and status of the port.

The open ports mean a TCP or UDP port number that is arranged to acknowledge packets.

Web pages or FTP services require their particular ports to be “open” on the server so as to be freely reachable.

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