CalculatorsLesson 180Free preview
Random Port Generator
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Summary
A Random Port Generator generates a random port number for testing purposes or local server configuration. A port is a 16-bit number from 0 to 65535, which is divided into well-known, registered, and dynamic or private ranges. For new applications, select a port in the dynamic range and make sure that port is not used.
Key points
- The port range is 0 to 65535
- 0-1023 is well-known or privileged and needs special rights
- 1024-49151 is registered, while 49152-65535 is dynamic or private
- Bind to port 0 requests the operating system to select a free port
- Always check the availability of ports before use
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