Port 3429
gcsp · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | gcsp |
| Registered | 2002-03 |
Frequently asked questions
What is port 3429 used for?
Port 3429 is registered with the IANA for gcsp (TCP/UDP). Description: GCSP user port.
Is port 3429 a well-known port?
No. Port 3429 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3429 is open?
Locally on Linux with ss -tulpn | grep ':3429\b', on Windows with netstat -ano | findstr :3429. To test a remote host use Test-NetConnection <host> -Port 3429 in PowerShell or nc -zv <host> 3429 on Linux/macOS.
How do I open port 3429 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3429/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3429/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3429" -Direction Inbound -Protocol TCP -LocalPort 3429 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | gcsp | GCSP user port |
| UDP | gcsp | GCSP user port |