Port 125
locus-map · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | locus-map |
Frequently asked questions
What is port 125 used for?
Port 125 is registered with the IANA for locus-map (TCP/UDP). Description: Locus PC-Interface Net Map Ser.
Is port 125 a well-known port?
Yes. Port 125 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 125 is open?
Locally on Linux with ss -tulpn | grep ':125\b', on Windows with netstat -ano | findstr :125. To test a remote host use Test-NetConnection <host> -Port 125 in PowerShell or nc -zv <host> 125 on Linux/macOS.
How do I open port 125 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 125/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=125/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 125" -Direction Inbound -Protocol TCP -LocalPort 125 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | locus-map | Locus PC-Interface Net Map Ser |
| UDP | locus-map | Locus PC-Interface Net Map Ser |