Port 1689
firefox · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | firefox |
Frequently asked questions
What is port 1689 used for?
Port 1689 is registered with the IANA for firefox (TCP/UDP). Description: firefox.
Is port 1689 a well-known port?
No. Port 1689 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1689 is open?
Locally on Linux with ss -tulpn | grep ':1689\b', on Windows with netstat -ano | findstr :1689. To test a remote host use Test-NetConnection <host> -Port 1689 in PowerShell or nc -zv <host> 1689 on Linux/macOS.
How do I open port 1689 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1689/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1689/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1689" -Direction Inbound -Protocol TCP -LocalPort 1689 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | firefox | firefox |
| UDP | firefox | firefox |