In January 2025, Andrzej Rzadkowolski enhanced the docker/docs repository by documenting a network policy update that enables containers to receive DNS and HTTP responses from external servers while maintaining security. He described the technical rationale for introducing a new iptables rule and emphasized the importance of its placement before restrictive DROP rules to ensure uninterrupted network flow. Using Markdown for clear documentation and drawing on his expertise in Linux and networking, Andrzej’s work addressed a common configuration challenge, reducing operator errors and improving the reliability of cross-host container communication. The documentation demonstrated a focused and practical approach to network policy management.