Port 4877

lmcs · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicelmcs
Registered2011-02-15

Frequently asked questions

What is port 4877 used for?

Port 4877 is registered with the IANA for lmcs (TCP/UDP). Description: Lighting Management Control System.

Is port 4877 a well-known port?

No. Port 4877 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4877 is open?

Locally on Linux with ss -tulpn | grep ':4877\b', on Windows with netstat -ano | findstr :4877. To test a remote host use Test-NetConnection <host> -Port 4877 in PowerShell or nc -zv <host> 4877 on Linux/macOS.

How do I open port 4877 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4877/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4877/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4877" -Direction Inbound -Protocol TCP -LocalPort 4877 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPlmcsLighting Management Control System
UDPlmcsLighting Management Control System

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