Port 4347

lansurveyor · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicelansurveyor

Frequently asked questions

What is port 4347 used for?

Port 4347 is registered with the IANA for lansurveyor (TCP/UDP). Description: LAN Surveyor.

Is port 4347 a well-known port?

No. Port 4347 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4347 is open?

Locally on Linux with ss -tulpn | grep ':4347\b', on Windows with netstat -ano | findstr :4347. To test a remote host use Test-NetConnection <host> -Port 4347 in PowerShell or nc -zv <host> 4347 on Linux/macOS.

How do I open port 4347 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4347/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4347/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4347" -Direction Inbound -Protocol TCP -LocalPort 4347 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPlansurveyorLAN Surveyor
UDPlansurveyorLAN Surveyor

Nearby entries