Port 5566

westec-connect · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicewestec-connect
Registered2009-03-18

Frequently asked questions

What is port 5566 used for?

Port 5566 is registered with the IANA for westec-connect (TCP/UDP). Description: Westec Connect; Reserved.

Is port 5566 a well-known port?

No. Port 5566 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5566 is open?

Locally on Linux with ss -tulpn | grep ':5566\b', on Windows with netstat -ano | findstr :5566. To test a remote host use Test-NetConnection <host> -Port 5566 in PowerShell or nc -zv <host> 5566 on Linux/macOS.

How do I open port 5566 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5566/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5566/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5566" -Direction Inbound -Protocol TCP -LocalPort 5566 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPwestec-connectWestec Connect
UDP–Reserved

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