Port 3840

flirtmitmir · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceflirtmitmir
Registered2003-11

Frequently asked questions

What is port 3840 used for?

Port 3840 is registered with the IANA for flirtmitmir (TCP/UDP). Description: www.FlirtMitMir.de.

Is port 3840 a well-known port?

No. Port 3840 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3840 is open?

Locally on Linux with ss -tulpn | grep ':3840\b', on Windows with netstat -ano | findstr :3840. To test a remote host use Test-NetConnection <host> -Port 3840 in PowerShell or nc -zv <host> 3840 on Linux/macOS.

How do I open port 3840 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3840/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3840/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3840" -Direction Inbound -Protocol TCP -LocalPort 3840 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPflirtmitmirwww.FlirtMitMir.de
UDPflirtmitmirwww.FlirtMitMir.de

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