Explore the critical intersection of Docker and firewall security in this informative 23-minute video. Learn how Docker's default behavior of opening ports in local firewalls can potentially compromise your self-hosted infrastructure. Discover various mitigation strategies, including implementing network firewalls, securing public VPS environments, leveraging Cloudflare for added protection, and utilizing IPTables as recommended in Docker documentation. Gain valuable insights into maintaining the security of your self-hosted systems while harnessing the power of Docker for your projects.