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 placing it before restrictive DROP rules to preserve expected network flow. Using his expertise in Linux, networking, and Markdown, Andrzej produced clear, actionable documentation that reduces configuration errors for operators. His work demonstrated a strong understanding of container networking and contributed to more reliable cross-host communication by addressing a nuanced aspect of network policy management.