Port 234

no service name · –

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

Frequently asked questions

What is port 234 used for?

Port 234 is registered with the IANA for no service name (–). Description: Reserved.

Is port 234 a well-known port?

Yes. Port 234 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 234 is open?

Locally on Linux with ss -tulpn | grep ':234\b', on Windows with netstat -ano | findstr :234. To test a remote host use Test-NetConnection <host> -Port 234 in PowerShell or nc -zv <host> 234 on Linux/macOS.

IANA registry entries

ProtocolServiceDescription (IANA)
–Reserved

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