Catching up with TLS 1.2

Major differences between TLS 1.2 and TLS 1.1:
http://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.2

TLS 1.2 Original RFC:
http://www.ietf.org/rfc/rfc5246.txt

Prohibiting SSL 2.0:
http://www.ietf.org/rfc/rfc6176.txt