This is a copy of a question I posted at the Joomla support forums: https://forum.joomla.org/viewtopic.php?f=717&t=957766

When I try to set the Force HTTPS option using the admin facility I get the following warning message:

enter image description here

But if I edit the configuration.php file and set $force_ssl to '2' then it works.

I'm guessing this has something to do with running under IIS and/or running on an Azure VM.

Any suggestions as to how to avoid this problem, or diagnose it further?

  • No, but I have experienced it too, on an lxc virtual machine on an ubuntu server host, so it may be related to the private network – Riccardo Zorn Jan 6 at 21:03
  • suggest you to use good software (open source, apache or nginx) ;-) okay, honest support now ;-) can you share the access logs from your webserver (IIS)? – laendle Apr 6 at 13:46

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