Port 5271

cuelink and cuelink-disc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicecuelink and cuelink-disc
Registered2010-03-26

Frequently asked questions

What is port 5271 used for?

Port 5271 is registered with the IANA for cuelink and cuelink-disc (TCP/UDP). Description: StageSoft CueLink messaging; StageSoft CueLink discovery.

Is port 5271 a well-known port?

No. Port 5271 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5271 is open?

Locally on Linux with ss -tulpn | grep ':5271\b', on Windows with netstat -ano | findstr :5271. To test a remote host use Test-NetConnection <host> -Port 5271 in PowerShell or nc -zv <host> 5271 on Linux/macOS.

How do I open port 5271 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5271/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5271/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5271" -Direction Inbound -Protocol TCP -LocalPort 5271 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPcuelinkStageSoft CueLink messaging
UDPcuelink-discStageSoft CueLink discovery

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