Port 6488

sun-sr-jmx · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesun-sr-jmx
Registered2006-03

Frequently asked questions

What is port 6488 used for?

Port 6488 is registered with the IANA for sun-sr-jmx (TCP/UDP). Description: Service Registry Default JMX Domain.

Is port 6488 a well-known port?

No. Port 6488 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 6488 is open?

Locally on Linux with ss -tulpn | grep ':6488\b', on Windows with netstat -ano | findstr :6488. To test a remote host use Test-NetConnection <host> -Port 6488 in PowerShell or nc -zv <host> 6488 on Linux/macOS.

How do I open port 6488 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 6488/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6488/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6488" -Direction Inbound -Protocol TCP -LocalPort 6488 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsun-sr-jmxService Registry Default JMX Domain
UDPsun-sr-jmxService Registry Default JMX Domain

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