This is unlikely to be because of the self-signed certificate. Self-signed certificates are correctly handled in webbrowser-app, when accessing a site using one of those you should see a warning screen, with two buttons: [back to safety] [proceed anyway]. If you choose to proceed anyway, the browser will let you browse the site, and will display a broken red lock in the address bar (as shown in your screenshot).
Can you please reproduce the issue and attach the log file for webbrowser-app. You will find it on your device at:
This is unlikely to be because of the self-signed certificate. Self-signed certificates are correctly handled in webbrowser-app, when accessing a site using one of those you should see a warning screen, with two buttons: [back to safety] [proceed anyway]. If you choose to proceed anyway, the browser will let you browse the site, and will display a broken red lock in the address bar (as shown in your screenshot).
Can you please reproduce the issue and attach the log file for webbrowser-app. You will find it on your device at:
/home/ phablet/ .cache/ upstart/ application- legacy- webbrowser- app-.log