Tags: TLS

The Illustrated TLS Connection

Every byte of a TLS connection explained and reproduced. In this demonstration, a client has connection to a server, negotiated a TLS 1.2 session, sent "ping", received "pong", and then terminated the session. Click below to begin exploring. Client Hello   The session begins with the client...
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Encrypting NFSv4 with Stunnel TLS

NFS clients and servers push file traffic over clear-text connections in the default configuration, which is incompatible with sensitive data. TLS can wrap this traffic, finally bringing protocol security. Before you use your cloud provider's NFS tools, review all of your NFS usage and secure it...
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Facebook Open Sources Library to Enhance Latest Transport Layer Security Protocol

For several years, the Internet Engineering Task Force (IETF) has been working to improve the Transport Layer Security (TLS) protocol, which is designed to help developers protect data as it moves around the internet. Facebook created an API library called Fizz to enhance the latest version, TLS 1....
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Introduction to Security and TLS

IoT (Internet of Things) is all about connecting to the internet and even more about security. Without security and encrypted communication, everyone can possibly see what I send or receive. And this is especially bad if passwords or user names are sent in an unencrypted way. So, encryption and...
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DNS Resolvers Performance Compared: CloudFlare x Google x Quad9 x OpenDNS

A couple of months ago I did a performance comparison between some of the top free DNS Resolvers available. It was just after Quad9 had launched and I was trying to decide which one to use and recommend to families and friends. Google, OpenDNS, Quad9, .. some many options… I love options … And...
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TLS 1.3 Is Approved: Here's How It Could Make the Entire Internet Safer

​The IETF has finally given the okay to the TLS 1.3 protocol, which will speed up secure connections and make snooping harder for attackers. TLS 1.3 has been approved for use, which will make all secure internet connections faster and safer. The security and speed improvements brought by TLS 1.3...
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ACME​ ​Support​ ​in​ ​Apache​ ​HTTP​ ​Server​ ​Project

We’re excited that support for getting and managing TLS certificates via the ACME protocol is coming to the Apache HTTP Server Project (httpd). ACME is the protocol used by Let’s Encrypt, and hopefully other Certificate Authorities in the future. We anticipate this feature will significantly aid...
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Enterprise Network Monitoring Needs Could Hamper the Adoption of TLS 1.3

The upcoming version of the Transport Layer Security (TLS) protocol promises to be a game changer for web encryption. It will deliver increased performance, better security and less complexity. Yet many website operators could shun it for years to come. TLS version 1.3 is in the final stages of...
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TLS/SSL Explained: TLS/SSL Terminology and Basics

In Part 1 this series we asked, What is TLS/SSL? In this part in the series, we will be describing some of the TLS/SSL terminologies. Before diving deeper into TLS, let’s first have a look at the very basics of SSL/TLS. Understanding the following will help you gain a better understanding of the...
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Golang to the Rescue: Saving DevOps from TLS Turmoil

If you ever need to validate certificates or certificate chains before deploying them, Golang provides a near foolproof test method. In this article, I will explain our use case that brought about the need for testing certificate chains, review appropriate web server security settings, and break...
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