Port 20480

emwavemsg · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceemwavemsg
Registered2008-02-14

Frequently asked questions

What is port 20480 used for?

Port 20480 is registered with the IANA for emwavemsg (TCP/UDP). Description: emWave Message Service.

Is port 20480 a well-known port?

No. Port 20480 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 20480 is open?

Locally on Linux with ss -tulpn | grep ':20480\b', on Windows with netstat -ano | findstr :20480. To test a remote host use Test-NetConnection <host> -Port 20480 in PowerShell or nc -zv <host> 20480 on Linux/macOS.

How do I open port 20480 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 20480/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=20480/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 20480" -Direction Inbound -Protocol TCP -LocalPort 20480 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPemwavemsgemWave Message Service
UDPemwavemsgemWave Message Service

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