At Firezone, we use Rust1 to build secure remote access that scales, be it from your Android phone, MacOS computer or Linux server. At the core of each app sits a connectivity library — aptly named connlib — that manages network connections and WireGuard tunnels to secure your traffic. After several iterations, we’ve landed on a design that we are extremely happy with. It gives us fast and exhaustive tests, deep customisation and overall high assurance that it does what we want it to do. connlib...