Port 6209
qmtps · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | qmtps |
| Registered | 2015-01-09 |
Frequently asked questions
What is port 6209 used for?
Port 6209 is registered with the IANA for qmtps (TCP/UDP). Description: QMTP over TLS.
Is port 6209 a well-known port?
No. Port 6209 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6209 is open?
Locally on Linux with ss -tulpn | grep ':6209\b', on Windows with netstat -ano | findstr :6209. To test a remote host use Test-NetConnection <host> -Port 6209 in PowerShell or nc -zv <host> 6209 on Linux/macOS.
How do I open port 6209 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 6209/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6209/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6209" -Direction Inbound -Protocol TCP -LocalPort 6209 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | qmtps | QMTP over TLS |
| UDP | qmtps | QMTP over TLS |