Port 31620
lm-mon · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | lm-mon |
| Registered | 2003-06 |
Frequently asked questions
What is port 31620 used for?
Port 31620 is registered with the IANA for lm-mon (TCP/UDP). Description: lm mon.
Is port 31620 a well-known port?
No. Port 31620 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 31620 is open?
Locally on Linux with ss -tulpn | grep ':31620\b', on Windows with netstat -ano | findstr :31620. To test a remote host use Test-NetConnection <host> -Port 31620 in PowerShell or nc -zv <host> 31620 on Linux/macOS.
How do I open port 31620 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 31620/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=31620/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 31620" -Direction Inbound -Protocol TCP -LocalPort 31620 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | lm-mon | lm mon |
| UDP | lm-mon | lm mon |