Port 30400

gs-realtime · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicegs-realtime
Registered2017-08-10
Modified2017-12-13

Frequently asked questions

What is port 30400 used for?

Port 30400 is registered with the IANA for gs-realtime (TCP/UDP). Description: GroundStar RealTime System; Reserved.

Is port 30400 a well-known port?

No. Port 30400 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 30400 is open?

Locally on Linux with ss -tulpn | grep ':30400\b', on Windows with netstat -ano | findstr :30400. To test a remote host use Test-NetConnection <host> -Port 30400 in PowerShell or nc -zv <host> 30400 on Linux/macOS.

How do I open port 30400 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 30400/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=30400/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 30400" -Direction Inbound -Protocol TCP -LocalPort 30400 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPgs-realtimeGroundStar RealTime System
UDP–Reserved

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