Port 41111

fs-qos · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicefs-qos
Registered2002-04

Frequently asked questions

What is port 41111 used for?

Port 41111 is registered with the IANA for fs-qos (TCP/UDP). Description: Foursticks QoS Protocol.

Is port 41111 a well-known port?

No. Port 41111 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 41111 is open?

Locally on Linux with ss -tulpn | grep ':41111\b', on Windows with netstat -ano | findstr :41111. To test a remote host use Test-NetConnection <host> -Port 41111 in PowerShell or nc -zv <host> 41111 on Linux/macOS.

How do I open port 41111 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 41111/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=41111/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 41111" -Direction Inbound -Protocol TCP -LocalPort 41111 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPfs-qosFoursticks QoS Protocol
UDPfs-qosFoursticks QoS Protocol

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