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Now if you mean how does it catch a attacker:

If a large amount of packets are being sent through ports that are above normal, or above the standards sent, it would assume its a attacker and posibly close the port until future action is stated.

If you mean how a attacker finds a port:

The attacker merely sends multiple small packets to multiple ports and sees which comes with a received message, stating it is a open port prone to attack.

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11y ago
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6y ago

A port scanner such as AngryIP or ipscan will allow a hacker (or the owner of a system or network) to investigate a computer system (or multiple systems or a network) and determine what port numbers are open and/or being responded to and possibly what software and capabilities are available on the system at that port number.

  • It will help a hacker in trying to penetrate a system.
  • It can help the system owner in knowing what ports are exposed to attack so that measures can be taken to close them or secure them.
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Q: What does a port scanner tell an attacker?
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