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From Jonathan Ellis <>
Subject Re: cassandra with a firewall
Date Wed, 10 Feb 2010 13:34:11 GMT
On Wed, Feb 10, 2010 at 7:23 AM, Byron Clark <> wrote:
> If you want to connect remotely to the JMX server, you'll
> have to open up another port on the firewall.  Connecting to 8080 only
> tells the JMX client which port to connect on next.  Unfortunately,
> that next port is not predictable other than being in the range
> 1024:65535.

As usual with Java, there's a way around this.  And as usual, it's
extraordinarily painful:

I'd consider adding something like this to Cassandra by default, but I
can't think of a reason to firewall your monitoring system away from
your servers.  So don't do that. :)


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