GeoFS is a browser-based flight simulator built on Cesium and WebGL. Geofs‑PHP is a community project providing a PHP-based server/backend and tools to host, customize, and unblock GeoFS instances for private or educational use. This paper summarizes GeoFS’s architecture, features, common deployment methods using Geofs‑PHP, legal/ethical considerations about "unblocked" access, technical steps for hosting, and recommendations.