Hi Alex, I'm not aware of any specific requirements on this regard. As such, both HTTP and HTTPS should be accepted. Regards, -- Francisco On 2/14/17, 2:00 AM, "gtld-tech-bounces@icann.org on behalf of Alexander Mayrhofer" <gtld-tech-bounces@icann.org on behalf of alexander.mayrhofer@nic.at> wrote: Specifically, would ICANN allow a redirect from http: (port 80) to https: (port 443)?