JedWatson/keystone — pull request #113 by Sgitario (2014-01-08 19:24:26+00:00)
Title: Added host option to specify the ip address to listen on.

Openshift does not let you to specify 'localhost' or '127.0.0.1' as node.js server. In order to fix this, you need to specify the IP address that Openshift gives you.

This issue may happen in other PaaS.