Port 476
tn-tl-fd1 · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | tn-tl-fd1 |
Frequently asked questions
What is port 476 used for?
Port 476 is registered with the IANA for tn-tl-fd1 (TCP/UDP). Description: tn-tl-fd1.
Is port 476 a well-known port?
Yes. Port 476 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 476 is open?
Locally on Linux with ss -tulpn | grep ':476\b', on Windows with netstat -ano | findstr :476. To test a remote host use Test-NetConnection <host> -Port 476 in PowerShell or nc -zv <host> 476 on Linux/macOS.
How do I open port 476 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 476/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=476/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 476" -Direction Inbound -Protocol TCP -LocalPort 476 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | tn-tl-fd1 | tn-tl-fd1 |
| UDP | tn-tl-fd1 | tn-tl-fd1 |