ETSI Technical Committee CYBER has released TS 103 523-3, a new specification for Enterprise TLS (eTLS) that enables secure middlebox operations on TLS 1.3 encrypted networks. This standard introduces a specific key exchange mechanism to allow passive decryption for critical data center functions like compliance, troubleshooting, and attack detection without forcing a return to older, less secure protocols. By supporting these operational needs while maintaining the security benefits of TLS 1.3, eTLS helps network operators meet service agreements and legal mandates while providing visibility into data access. This release marks the first part of a series of standards-based solutions designed to address evolving industry requirements for network security and management.
Keywords: eTLS, TLS 1.3, middlebox security, encrypted networks, passive decryption