Port 4371

l2c-control and l2c-disc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicel2c-control and l2c-disc
Registered2008-07-07

Frequently asked questions

What is port 4371 used for?

Port 4371 is registered with the IANA for l2c-control and l2c-disc (TCP/UDP). Description: LAN2CAN Control; LAN2CAN Discovery.

Is port 4371 a well-known port?

No. Port 4371 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4371 is open?

Locally on Linux with ss -tulpn | grep ':4371\b', on Windows with netstat -ano | findstr :4371. To test a remote host use Test-NetConnection <host> -Port 4371 in PowerShell or nc -zv <host> 4371 on Linux/macOS.

How do I open port 4371 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4371/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4371/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4371" -Direction Inbound -Protocol TCP -LocalPort 4371 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPl2c-controlLAN2CAN Control
UDPl2c-discLAN2CAN Discovery

Nearby entries