We'll respond shortly.
Somewhere in the server.xml file was suggested, however that didn’t seem to work. The workaround was using IP Tables.
as_json (with options) seems to always be called with an explicit nil argument from to_json under Rails 3. Some people just use as_json explicitly, or pass an explicit empty hash as the arg to get around this oddity.
Jenkins now supports Ruby plugins.
Support Movember! Pivotal has raised quite a bit of money and you can too.