Hi I am happy to announce that https://forum.openoffice.org is now open.
All http://forum.openoffice.org request are permanently redirected to https://forum.openoffice.org The site has been briefly tested, and the http/https mix problem exist on forum, just like on wiki. Thanks to all that helped make this happen. on behalf of the infrastructure team jan I. Ps. I have close jira issue 6608.