As of Feb 12th, the solution for the TLS renegotiation man-in-the-middle attack is an official IETF standard:

http://tools.ietf.org/html/rfc5746

I’m super happy and excited as this is the first RFC I am a co-author of and it fixes a major problem with one of the most widely used security protocols. Now let’s hope it will get quickly implemented, deployed, and eventually enforced.