Port 6544

lds-dump · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicelds-dump
Registered2006-02

Frequently asked questions

What is port 6544 used for?

Port 6544 is registered with the IANA for lds-dump (TCP/UDP). Description: LDS Dump Service.

Is port 6544 a well-known port?

No. Port 6544 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 6544 is open?

Locally on Linux with ss -tulpn | grep ':6544\b', on Windows with netstat -ano | findstr :6544. To test a remote host use Test-NetConnection <host> -Port 6544 in PowerShell or nc -zv <host> 6544 on Linux/macOS.

How do I open port 6544 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 6544/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6544/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6544" -Direction Inbound -Protocol TCP -LocalPort 6544 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPlds-dumpLDS Dump Service
UDPlds-dumpLDS Dump Service

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