Here http://blogs.sun.com/jmxetc/entry/troubleshooting_connection_problems_in_jconsole
Links to ones pages I know about, like the JMX faq but also to other pages. There is a bunch of other config values and tips there.
I found it useful because it explained (or least linked to) explanations of how the TCP connections back to the client work on a random port.
Related posts:
Byron Bay
