Feuerfuchs ---------- The patch should apply cleanly to the latest release branch of firefox: git clone https://github.com/mozilla/gecko-dev.git feuerfuchs cd feuerfuchs git checkout origin/release patch -p1 < ../feuerfuchs.patch ./mach build The dockerimage/ directory contains everything to reproduce the container setup that is used by the challenge server: 1. ./docker_build.sh 2. ./docker_run.sh 3. (in a separate shell) ./launch_firefox.sh $URL 4. (optional, also in a separete shell) ./take_screenshot.sh && open screenshot.png