Port 9889
gt-proxy · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | gt-proxy |
| Registered | 2010-07-07 |
Frequently asked questions
What is port 9889 used for?
Port 9889 is registered with the IANA for gt-proxy (TCP/UDP). Description: Port for Cable network related data proxy or repeater.
Is port 9889 a well-known port?
No. Port 9889 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 9889 is open?
Locally on Linux with ss -tulpn | grep ':9889\b', on Windows with netstat -ano | findstr :9889. To test a remote host use Test-NetConnection <host> -Port 9889 in PowerShell or nc -zv <host> 9889 on Linux/macOS.
How do I open port 9889 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 9889/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9889/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9889" -Direction Inbound -Protocol TCP -LocalPort 9889 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | gt-proxy | Port for Cable network related data proxy or repeater |
| UDP | gt-proxy | Port for Cable network related data proxy or repeater |