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Random Port Generator

Generate random port numbers for development and testing. Option to exclude well-known ports (<1024) or registered ports for safe usage.

Frequently Asked Questions

What are port number ranges?
Well-known ports: 0-1023 (system services like HTTP 80, SSH 22). Registered ports: 1024-49151 (user/applications). Dynamic/Ephemeral: 49152-65535 (temporary).
Which ports should I avoid?
Avoid well-known ports (0-1023) unless you know what you are doing. Registered ports (1024-49151) may conflict with existing services. Dynamic ports (49152-65535) are safest.

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How to Use

  1. 1 Set the number of port numbers to generate.
  2. 2 Optionally exclude well-known ports (0-1023) for safe development use.
  3. 3 Optionally exclude registered ports (1024-49151) to use only ephemeral ports.
  4. 4 Copy the generated port numbers for use in your applications.