Port 232

no service name · –

RangeSystem/well-known port (0–1023)
Protocol–
Serviceno service name
ReferenceRFC 1060
Modified2024-12-20

Frequently asked questions

What is port 232 used for?

Port 232 is registered with the IANA for no service name (–). Description: Reserved.

Is port 232 a well-known port?

Yes. Port 232 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.

How do I check whether port 232 is open?

Locally on Linux with ss -tulpn | grep ':232\b', on Windows with netstat -ano | findstr :232. To test a remote host use Test-NetConnection <host> -Port 232 in PowerShell or nc -zv <host> 232 on Linux/macOS.

IANA registry entries

ProtocolServiceDescription (IANA)
–Reserved

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