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Lightboard Lessons: Choosing Strong vs Weak Ciphers

When you configure TLS cipher suites, you have a lot to choose from.  But, what should you look for when choosing these cipher suites?  And, what should you stay away from... Read more
2 Reviews

Lightboard Lessons: What is a TLS Cipher Suite?

When a web client (Internet browser) connects to a secure website, the data is encrypted. But, how does all that happen? And, what type of encryption is used? Read more
1 Review

Lightboard Lessons: The Problem Of TLS Visibility

Internet traffic today is encrypted at a rate of almost 90%. While encryption is a great benefit to securing web traffic, it also presents a problem for inspecting that traffic... Read more
2 Reviews

Lightboard Lessons: Explaining the Diffie-Hellman Key Exchange

The Diffie-Hellman key exchange is used extensively in Internet communications today.  With the approval of the new TLS 1.3 protocol and the need for Perfect Forward Secrecy... Read more
0 Reviews

Lightboard Lessons: Explaining TLS 1.3

The newest version of the TLS protocol was recently approved by the Internet Engineering Task Force -- TLS 1.3. There are several key changes in this protocol... Read more
Average Rating: 4.9
7 Reviews

Lightboard Lessons: TLS Server Name Indication

Server Name Indication (SNI) is an extension to the TLS protocol that allows the client to include the requested hostname in the first message of the SSL handshake (Client Hello). Prior to the introduction of SNI, the client could not easily establish secure connections to multiple servers hosted on a single IP address. Read more
Average Rating: 4.9
3 Reviews

Lightboard Lessons: Is TLS Fast?

Many web applications are using encryption (TLS) for security, but security typically slows things down.  Is it possible to implement a good TLS solution but still keep the speed you want?  In this video, I dig into the tension... Read more
2 Reviews

Lightboard Lessons: SSL Outbound Visibility

You’ve been having trouble sleeping because of the SSL visibility problem with all the fancy security tools that don’t do decryption. Put down that ambien, because this Lightboard Lesson solves it. In episode, David Holmes diagrams the Right Way... Read more
Average Rating: 4.9
5 Reviews