Killing RC4: The Long Goodbye
May 7, 2014Nick Sullivan
Summary
This post details Cloudflare's proactive decision to deprecate the RC4 cipher for HTTPS connections, prioritizing stronger encryption methods like AES-GCM and AES-CBC. It explains the historical context of RC4's temporary rise due to the BEAST attack and the subsequent discovery of RC4's inherent weaknesses, making it a liability for long-term data security. The post highlights the technical shift in cipher preference and provides data on the minimal impact of this change, demonstrating Cloudflare's commitment to staying ahead of cryptographic vulnerabilities.
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