Port 9978

xybrid-rt · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicexybrid-rt
Registered2013-01-24

Frequently asked questions

What is port 9978 used for?

Port 9978 is registered with the IANA for xybrid-rt (TCP/UDP). Description: XYBRID RT Server; Reserved.

Is port 9978 a well-known port?

No. Port 9978 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 9978 is open?

Locally on Linux with ss -tulpn | grep ':9978\b', on Windows with netstat -ano | findstr :9978. To test a remote host use Test-NetConnection <host> -Port 9978 in PowerShell or nc -zv <host> 9978 on Linux/macOS.

How do I open port 9978 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 9978/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9978/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9978" -Direction Inbound -Protocol TCP -LocalPort 9978 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPxybrid-rtXYBRID RT Server
UDP–Reserved

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