What is Port Scanning?

Port Scanning is the technique used to identify open ports on a host.

Hackers use port scanning to find information that can be helpful to then when exploiting vulnerabilities.

Administrators use Port Scanning to verify the security policies of the network.

Some of the common Port Scanning Techniques are:

  1. Ping Scan
  2. TCP Half-Open
  3. TCP Connect
  4. UDP
  5. Stealth Scanning