Port 5729
openmail · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | openmail |
Frequently asked questions
What is port 5729 used for?
Port 5729 is registered with the IANA for openmail (TCP/UDP). Description: Openmail User Agent Layer.
Is port 5729 a well-known port?
No. Port 5729 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5729 is open?
Locally on Linux with ss -tulpn | grep ':5729\b', on Windows with netstat -ano | findstr :5729. To test a remote host use Test-NetConnection <host> -Port 5729 in PowerShell or nc -zv <host> 5729 on Linux/macOS.
How do I open port 5729 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5729/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5729/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5729" -Direction Inbound -Protocol TCP -LocalPort 5729 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | openmail | Openmail User Agent Layer |
| UDP | openmail | Openmail User Agent Layer |