igniterealtime/Openfire — pull request #49 by dwd (2014-06-24 19:45:45+00:00)
Title: Quick fix for old-skool Jabber on S2S

This will fix a bug with connections to any large, broken providers who use entirely unencrypted sessions using a legacy protocol and are too unresponsive to fix it.

Can't imagine there's many of those though.