Port 9387
d2dconfig · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | d2dconfig |
| Registered | 2008-12-24 |
Frequently asked questions
What is port 9387 used for?
Port 9387 is registered with the IANA for d2dconfig (TCP/UDP). Description: D2D Configuration Service; Reserved.
Is port 9387 a well-known port?
No. Port 9387 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 9387 is open?
Locally on Linux with ss -tulpn | grep ':9387\b', on Windows with netstat -ano | findstr :9387. To test a remote host use Test-NetConnection <host> -Port 9387 in PowerShell or nc -zv <host> 9387 on Linux/macOS.
How do I open port 9387 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 9387/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9387/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9387" -Direction Inbound -Protocol TCP -LocalPort 9387 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | d2dconfig | D2D Configuration Service |
| UDP | – | Reserved |