Port 383
hp-alarm-mgr · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | hp-alarm-mgr |
Frequently asked questions
What is port 383 used for?
Port 383 is registered with the IANA for hp-alarm-mgr (TCP/UDP). Description: hp performance data alarm manager.
Is port 383 a well-known port?
Yes. Port 383 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 383 is open?
Locally on Linux with ss -tulpn | grep ':383\b', on Windows with netstat -ano | findstr :383. To test a remote host use Test-NetConnection <host> -Port 383 in PowerShell or nc -zv <host> 383 on Linux/macOS.
How do I open port 383 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 383/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=383/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 383" -Direction Inbound -Protocol TCP -LocalPort 383 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | hp-alarm-mgr | hp performance data alarm manager |
| UDP | hp-alarm-mgr | hp performance data alarm manager |