Port 3386
gprs-data and gprs-sig · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | gprs-data and gprs-sig |
Frequently asked questions
What is port 3386 used for?
Port 3386 is registered with the IANA for gprs-data and gprs-sig (TCP/UDP). Description: GPRS Data; GPRS SIG.
Is port 3386 a well-known port?
No. Port 3386 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3386 is open?
Locally on Linux with ss -tulpn | grep ':3386\b', on Windows with netstat -ano | findstr :3386. To test a remote host use Test-NetConnection <host> -Port 3386 in PowerShell or nc -zv <host> 3386 on Linux/macOS.
How do I open port 3386 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3386/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3386/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3386" -Direction Inbound -Protocol TCP -LocalPort 3386 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | gprs-data | GPRS Data |
| UDP | gprs-sig | GPRS SIG |