What is Port Scanning?

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What is port scanning?

Port scanning is the first task in obtaining details of open ports on the target system. Port scanning is applied to locate a hack-able server with a flaw or vulnerability. A port is a…

…mode of communication between two computers. Every service on a host is labeled by a unique 16-bit number called a port.

A port scanner is software designed to scan a network host for open ports. This is a tool often used by administrators to run a security check of their networks, and by hackers to pinpoint running services on a host with a perspective of where it could be compromised. Port scanning is used to locate the open ports in order to identify exploits related to that service and application.

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