Port 4090

omasgport · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceomasgport
Registered2006-07

Frequently asked questions

What is port 4090 used for?

Port 4090 is registered with the IANA for omasgport (TCP/UDP). Description: OMA BCAST Service Guide.

Is port 4090 a well-known port?

No. Port 4090 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4090 is open?

Locally on Linux with ss -tulpn | grep ':4090\b', on Windows with netstat -ano | findstr :4090. To test a remote host use Test-NetConnection <host> -Port 4090 in PowerShell or nc -zv <host> 4090 on Linux/macOS.

How do I open port 4090 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4090/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4090/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4090" -Direction Inbound -Protocol TCP -LocalPort 4090 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPomasgportOMA BCAST Service Guide
UDPomasgportOMA BCAST Service Guide

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