I linked a solution to this using uBlock Origin over in the # Disable HTTPS redirect thread, but here it is again in this thread for your attention 
I too found a way to block this using uBlock Origin, huzzah!
You must have advanced mode turned on in the extension settings and then when you navigate to YourIP for your NAS you configure the settings like this:
Once this is set, using direct links like MyIP/apps/transmission/web/transmission.html works without having to go through the admin panel and navigating to the app configure first too! Great success!
