Fixes the nine findings of a security audit of 2.4.1. The most important: an anonymous uploader could fill the storage quota without sending data, and a forged X-Forwarded-For header could get around the limits on password attempts. Password attempts now also have a limit per share, per login e-mail and for the system password. Whoever entered the system password enters it once more after the update. Update now: docker compose pull and docker compose up -d. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>