Port 5166

winpcs · TCP/UDP

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

Frequently asked questions

What is port 5166 used for?

Port 5166 is registered with the IANA for winpcs (TCP/UDP). Description: WinPCS Service Connection.

Is port 5166 a well-known port?

No. Port 5166 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5166 is open?

Locally on Linux with ss -tulpn | grep ':5166\b', on Windows with netstat -ano | findstr :5166. To test a remote host use Test-NetConnection <host> -Port 5166 in PowerShell or nc -zv <host> 5166 on Linux/macOS.

How do I open port 5166 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5166/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5166/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5166" -Direction Inbound -Protocol TCP -LocalPort 5166 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPwinpcsWinPCS Service Connection
UDPwinpcsWinPCS Service Connection

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