Port 3404

no service name · –

RangeRegistered port (1024–49151)
Protocol–
Serviceno service name
Modified2002-05-01

Frequently asked questions

What is port 3404 used for?

Port 3404 is registered with the IANA for no service name (–). Description: Removed.

Is port 3404 a well-known port?

No. Port 3404 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3404 is open?

Locally on Linux with ss -tulpn | grep ':3404\b', on Windows with netstat -ano | findstr :3404. To test a remote host use Test-NetConnection <host> -Port 3404 in PowerShell or nc -zv <host> 3404 on Linux/macOS.

IANA registry entries

ProtocolServiceDescription (IANA)
–Removed

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