Port 1925
discovery-port · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | discovery-port |
Frequently asked questions
What is port 1925 used for?
Port 1925 is registered with the IANA for discovery-port (TCP/UDP). Description: Surrogate Discovery Port.
Is port 1925 a well-known port?
No. Port 1925 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1925 is open?
Locally on Linux with ss -tulpn | grep ':1925\b', on Windows with netstat -ano | findstr :1925. To test a remote host use Test-NetConnection <host> -Port 1925 in PowerShell or nc -zv <host> 1925 on Linux/macOS.
How do I open port 1925 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1925/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1925/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1925" -Direction Inbound -Protocol TCP -LocalPort 1925 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | discovery-port | Surrogate Discovery Port |
| UDP | discovery-port | Surrogate Discovery Port |