mrjoes/sockjs-tornado — pull request #21 by melevine (2012-08-16 19:55:19+00:00)
Title: Fixed #20, added whitelist of exposed headers

exposes useful headers in the connection info object: 'referer', 'x-client-ip',
'x-forwarded-for', 'x-cluster-client-ip', 'via', 'x-real-ip'