Port 3137
rtnt-1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | rtnt-1 |
Frequently asked questions
What is port 3137 used for?
Port 3137 is registered with the IANA for rtnt-1 (TCP/UDP). Description: rtnt-1 data packets.
Is port 3137 a well-known port?
No. Port 3137 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3137 is open?
Locally on Linux with ss -tulpn | grep ':3137\b', on Windows with netstat -ano | findstr :3137. To test a remote host use Test-NetConnection <host> -Port 3137 in PowerShell or nc -zv <host> 3137 on Linux/macOS.
How do I open port 3137 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3137/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3137/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3137" -Direction Inbound -Protocol TCP -LocalPort 3137 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rtnt-1 | rtnt-1 data packets |
| UDP | rtnt-1 | rtnt-1 data packets |