This document describes the z/OS V1R13 Communications Server AT-TLS support for TLS v1.2 and related features.
z/OS V1R13 Communications Server Application Transparent Transport Layer Security (AT-TLS) with PM62905 applied provides toleration for the following functions that System SSL provides:
- Renegotiation (RFC 5746) in z/OS V1R12
- TLS v1.2 (RFC 5246) in z/OS V1R13 with OA39422 applied
- AES GCM Cipher Suites (RFC 5288) in z/OS V1R13 with OA39422 applied