Port 347

fatserv · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Servicefatserv

Frequently asked questions

What is port 347 used for?

Port 347 is registered with the IANA for fatserv (TCP/UDP). Description: Fatmen Server.

Is port 347 a well-known port?

Yes. Port 347 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.

How do I check whether port 347 is open?

Locally on Linux with ss -tulpn | grep ':347\b', on Windows with netstat -ano | findstr :347. To test a remote host use Test-NetConnection <host> -Port 347 in PowerShell or nc -zv <host> 347 on Linux/macOS.

How do I open port 347 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 347/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=347/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 347" -Direction Inbound -Protocol TCP -LocalPort 347 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPfatservFatmen Server
UDPfatservFatmen Server

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