Port 2939

sm-pas-2 · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesm-pas-2

Frequently asked questions

What is port 2939 used for?

Port 2939 is registered with the IANA for sm-pas-2 (TCP/UDP). Description: SM-PAS-2.

Is port 2939 a well-known port?

No. Port 2939 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2939 is open?

Locally on Linux with ss -tulpn | grep ':2939\b', on Windows with netstat -ano | findstr :2939. To test a remote host use Test-NetConnection <host> -Port 2939 in PowerShell or nc -zv <host> 2939 on Linux/macOS.

How do I open port 2939 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2939/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2939/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2939" -Direction Inbound -Protocol TCP -LocalPort 2939 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsm-pas-2SM-PAS-2
UDPsm-pas-2SM-PAS-2

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