I have stumbled across an issue with the forum module whereby if you have a site_url specified in config as protocol agnostic, i.e. minus http: or https: then the redirect after forum log-in always returns you to the site home page.
My site_url value is set as "//www.example.com" My Forum URL is set as "/forums/"
When the redirect after log-in through the forum templates occurs I get sent to:
Any thoughts? :/