On Tue, May 6, 2014 at 9:09 AM, Jacob Eisinger <jeis...@us.ibm.com> wrote: > In a nut shell, Spark opens up a couple of well known ports. And,then the > workers and the shell open up dynamic ports for each job. These dynamic > ports make securing the Spark network difficult.
Indeed. Judging by the frequency with which this topic arises, this is a concern for many (myself included). I couldn't find anything in JIRA about it, but I'm curious to know whether the Spark team considers this a problem in need of a fix? Mark.
