Port 3727

e-mdu · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicee-mdu

Frequently asked questions

What is port 3727 used for?

Port 3727 is registered with the IANA for e-mdu (TCP/UDP). Description: Ericsson Mobile Data Unit.

Is port 3727 a well-known port?

No. Port 3727 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3727 is open?

Locally on Linux with ss -tulpn | grep ':3727\b', on Windows with netstat -ano | findstr :3727. To test a remote host use Test-NetConnection <host> -Port 3727 in PowerShell or nc -zv <host> 3727 on Linux/macOS.

How do I open port 3727 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3727/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3727/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3727" -Direction Inbound -Protocol TCP -LocalPort 3727 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPe-mduEricsson Mobile Data Unit
UDPe-mduEricsson Mobile Data Unit

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