Connecting nodes with masters is usually secured with TLS. But there's more traffic than just between nodes and masters. This article describes how to set up a WireGuard mesh network between all nodes in a cluster by using Ansible.
The aim of this work is the research of possibilities which allow automatic and transparent encryption of internal network traffic between applications of Tenants in a multi-tenant OpenShift infrastructure.
Firefox "Quantum" 57 dropped the support for legacy XUL addons and made WebExtensions the new standard for addon development inside the browser. For a project I built a WebExtension with multiple features which I'd like to share - it might help you!