Originally placed on Support, but advised to resubmit here.
Trying to log into Mozilla Addon Developer site to access extension management and unable to continue past the initial “signing in”. Each time returning 403 forbidden.
Signing into the support site, discourse site, developer docs site and browser works, but any attempt to connect to addons mozilla org always results in 403.
Example:
Accessing the extensions workshop (or AMO) site (https://extensionworkshop.com/)
Click link to manage extensions (https://addons.mozilla.org/developers/addons)
Enter Mozilla Accounts portal (https://accounts.firefox.com/oauth/signin)
Follow signing in process, everything good and redirects.
Redirect auth failure 403 “You do not have permission to perform this action.” querystring removed (https://addons.mozilla.org/api/auth/authenticate-callback/)