Port 8686

sun-as-jmxrmi · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesun-as-jmxrmi
Registered2005-11

Frequently asked questions

What is port 8686 used for?

Port 8686 is registered with the IANA for sun-as-jmxrmi (TCP/UDP). Description: Sun App Server - JMX/RMI.

Is port 8686 a well-known port?

No. Port 8686 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 8686 is open?

Locally on Linux with ss -tulpn | grep ':8686\b', on Windows with netstat -ano | findstr :8686. To test a remote host use Test-NetConnection <host> -Port 8686 in PowerShell or nc -zv <host> 8686 on Linux/macOS.

How do I open port 8686 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 8686/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8686/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8686" -Direction Inbound -Protocol TCP -LocalPort 8686 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsun-as-jmxrmiSun App Server - JMX/RMI
UDPsun-as-jmxrmiSun App Server - JMX/RMI

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