Is there a way to use OAuth 2.0 with Portal for ArcGIS 10.3.
I know that the developpers documentation tells that it's not supported (https://developers.arcgis.com/authentication/arcgis-server-and-portal-for-arcgis/ ), but when I try to navigate to this url (http://myportal/arcgis/sharing/oauth2 ) on my portal I can access a web page and try to register an App. But trying to do that fails.
On the other hand, on Portal 10.3, it's possible to register an App and to get an AppID and AppSecret.
I've tried to use it with a proxy, in order to grant access to my app to anymous user, but it doesn't work.
Any clarification and help is welcome.