What Dr. Harris Taught

February 25
He told how TLS fits into the protocol stack. He showed with a diagram 
TLS setup, connection and key exchange and cypher text communication. 
He gave lecture on his note of "Security in 75 minutes".

February 27
He showed an example of TLS record types and a stak trace. He also 
demonstrated certificate exchange using a java program.
What I Learned

I read his "Security in 75 minutes" article. I also ran the java 
program for https://www.sun.com and it worked fine.