Port 9191
sun-as-jpda · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | sun-as-jpda |
| Registered | 2005-11 |
Frequently asked questions
What is port 9191 used for?
Port 9191 is registered with the IANA for sun-as-jpda (TCP/UDP). Description: Sun AppSvr JPDA.
Is port 9191 a well-known port?
No. Port 9191 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 9191 is open?
Locally on Linux with ss -tulpn | grep ':9191\b', on Windows with netstat -ano | findstr :9191. To test a remote host use Test-NetConnection <host> -Port 9191 in PowerShell or nc -zv <host> 9191 on Linux/macOS.
How do I open port 9191 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 9191/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9191/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9191" -Direction Inbound -Protocol TCP -LocalPort 9191 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | sun-as-jpda | Sun AppSvr JPDA |
| UDP | sun-as-jpda | Sun AppSvr JPDA |