Port 3471
jt400-ssl · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | jt400-ssl |
Frequently asked questions
What is port 3471 used for?
Port 3471 is registered with the IANA for jt400-ssl (TCP/UDP). Description: jt400-ssl.
Is port 3471 a well-known port?
No. Port 3471 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3471 is open?
Locally on Linux with ss -tulpn | grep ':3471\b', on Windows with netstat -ano | findstr :3471. To test a remote host use Test-NetConnection <host> -Port 3471 in PowerShell or nc -zv <host> 3471 on Linux/macOS.
How do I open port 3471 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3471/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3471/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3471" -Direction Inbound -Protocol TCP -LocalPort 3471 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | jt400-ssl | jt400-ssl |
| UDP | jt400-ssl | jt400-ssl |