Port 4566

kwtc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicekwtc
Registered2006-10

Frequently asked questions

What is port 4566 used for?

Port 4566 is registered with the IANA for kwtc (TCP/UDP). Description: Kids Watch Time Control Service.

Is port 4566 a well-known port?

No. Port 4566 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4566 is open?

Locally on Linux with ss -tulpn | grep ':4566\b', on Windows with netstat -ano | findstr :4566. To test a remote host use Test-NetConnection <host> -Port 4566 in PowerShell or nc -zv <host> 4566 on Linux/macOS.

How do I open port 4566 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4566/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4566/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4566" -Direction Inbound -Protocol TCP -LocalPort 4566 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPkwtcKids Watch Time Control Service
UDPkwtcKids Watch Time Control Service

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