Port 3266

ns-cfg-server · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicens-cfg-server

Frequently asked questions

What is port 3266 used for?

Port 3266 is registered with the IANA for ns-cfg-server (TCP/UDP). Description: NS CFG Server.

Is port 3266 a well-known port?

No. Port 3266 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3266 is open?

Locally on Linux with ss -tulpn | grep ':3266\b', on Windows with netstat -ano | findstr :3266. To test a remote host use Test-NetConnection <host> -Port 3266 in PowerShell or nc -zv <host> 3266 on Linux/macOS.

How do I open port 3266 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3266/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3266/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3266" -Direction Inbound -Protocol TCP -LocalPort 3266 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPns-cfg-serverNS CFG Server
UDPns-cfg-serverNS CFG Server

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