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From "Dan Tran (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KARAF-1149) Karaf MBeanServer is not usable behind firewall
Date Thu, 12 Jan 2012 22:01:42 GMT

    [ https://issues.apache.org/jira/browse/KARAF-1149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13185283#comment-13185283

Dan Tran commented on KARAF-1149:

dan:  do you mean external firewall or the internal linux iptables?


I saw the issue today with a customer, with a hardware firewall:

- Karaf is installed on host A
- jconsole is on my laptop

Between A and my laptop, we have a firewall (Cisco IoS) on which I opened the required port.

But the JVM bind a random port for the jconsole/JMX communication (specific to Sun JVM). A
simple workaround is to create a JMX agent.


> Karaf MBeanServer is not usable behind firewall
> -----------------------------------------------
>                 Key: KARAF-1149
>                 URL: https://issues.apache.org/jira/browse/KARAF-1149
>             Project: Karaf
>          Issue Type: Bug
>            Reporter: Jean-Baptiste Onofré
>            Assignee: Jean-Baptiste Onofré
>             Fix For: 2.2.6, 3.0.0
> If network administrator opens the network ports to use Karaf MBean server (for instance,
by default, 1099 for the RMI Registry and 44444 for the RMI server), the JVM open random port
for JMX communication.
> It could be helpful to provide a JMX agent or at least to document how to use Karaf MBean
server behind firewalls.

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