Port 6543

lds-distrib · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicelds-distrib
Registered2003-06

Frequently asked questions

What is port 6543 used for?

Port 6543 is registered with the IANA for lds-distrib (TCP/UDP). Description: lds_distrib.

Is port 6543 a well-known port?

No. Port 6543 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 6543 is open?

Locally on Linux with ss -tulpn | grep ':6543\b', on Windows with netstat -ano | findstr :6543. To test a remote host use Test-NetConnection <host> -Port 6543 in PowerShell or nc -zv <host> 6543 on Linux/macOS.

How do I open port 6543 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 6543/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6543/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6543" -Direction Inbound -Protocol TCP -LocalPort 6543 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPlds-distriblds_distrib
UDPlds-distriblds_distrib

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