Port 409
prm-nm · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | prm-nm |
Frequently asked questions
What is port 409 used for?
Port 409 is registered with the IANA for prm-nm (TCP/UDP). Description: Prospero Resource Manager Node Man..
Is port 409 a well-known port?
Yes. Port 409 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 409 is open?
Locally on Linux with ss -tulpn | grep ':409\b', on Windows with netstat -ano | findstr :409. To test a remote host use Test-NetConnection <host> -Port 409 in PowerShell or nc -zv <host> 409 on Linux/macOS.
How do I open port 409 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 409/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=409/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 409" -Direction Inbound -Protocol TCP -LocalPort 409 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | prm-nm | Prospero Resource Manager Node Man. |
| UDP | prm-nm | Prospero Resource Manager Node Man. |