If a server cannot process the supported_groups TLS extension or the named groups in the extension, applications can either customize the supported group names with, or turn off the FFDHE mechanisms by setting the System Property jsse.enableFFDHEExtension to false. security-libs/ - Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS - The JDK SunJSSE implementation now supports the TLS FFDHE mechanisms defined in RFC 7919.
