JMX is not very firewall friendly. The problem is that JMX is a two connection process. The first connection happens on port 7199 and the second connection happens on some random port > 1024. Work on changing this behavior was started in this ticket:
https://issues.apache.org/jira/browse/CASSANDRA-2967 On Mon, Feb 6, 2012 at 2:02 AM, R. Verlangen <ro...@us2.nl> wrote: > Do you allow both outbound as inbound traffic? You might also try allowing > both TCP as UDP. > > > 2012/2/6 Roshan <codeva...@gmail.com> >> >> Yes, If the firewall is disable it works. >> >> -- >> View this message in context: >> http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/nodetool-hangs-and-didn-t-print-anything-with-firewall-tp7257286p7257310.html >> Sent from the cassandra-u...@incubator.apache.org mailing list archive at >> Nabble.com. > >
