Checklist [X ] I have read intro post: About the Installation Issues category [X ] I have read the tutorials, help and searched for similar issues [X ] I provide relevant information about my server (component names and versions, etc.) PRETTY_NAME=“Debian GNU/Linux 10 (buster)” NAME=“Debian GN…

I tested it with our reverse Proxy (that has a real Zertifikate) and it is working. So its only a self signed problem. Is a offline cache version planned ? (when you have no connection to the server)