The Secure Socket Layer/Transport Layer Security (SSL/TLS) protocols support ephemeral Diffie-Hellman (ephemeral DH) key exchange, a cryptographic algorithm which enables perfect forward secrecy. Ephemeral DH keys are supported by mod_ssl (part of the Apache HTTP Server) in Red Hat Enterprise Linux. Prior to Red Hat Enterprise Linux 6.6, mod_ssl only supported 512- and 10...
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