Port 34962

profinet-rt · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceprofinet-rt
Registered2004-11
Modified2026-03-16

Frequently asked questions

What is port 34962 used for?

Port 34962 is registered with the IANA for profinet-rt (TCP/UDP). Description: PROFInet RT Unicast.

Is port 34962 a well-known port?

No. Port 34962 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 34962 is open?

Locally on Linux with ss -tulpn | grep ':34962\b', on Windows with netstat -ano | findstr :34962. To test a remote host use Test-NetConnection <host> -Port 34962 in PowerShell or nc -zv <host> 34962 on Linux/macOS.

How do I open port 34962 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 34962/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=34962/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 34962" -Direction Inbound -Protocol TCP -LocalPort 34962 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPprofinet-rtPROFInet RT Unicast
UDPprofinet-rtPROFInet RT Unicast

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