Port 4379
ctdb · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ctdb |
| Registered | 2007-07-05 |
Frequently asked questions
What is port 4379 used for?
Port 4379 is registered with the IANA for ctdb (TCP/UDP). Description: CTDB.
Is port 4379 a well-known port?
No. Port 4379 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4379 is open?
Locally on Linux with ss -tulpn | grep ':4379\b', on Windows with netstat -ano | findstr :4379. To test a remote host use Test-NetConnection <host> -Port 4379 in PowerShell or nc -zv <host> 4379 on Linux/macOS.
How do I open port 4379 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4379/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4379/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4379" -Direction Inbound -Protocol TCP -LocalPort 4379 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | ctdb | CTDB |
| UDP | ctdb | CTDB |