In the TLS/SSL handshake, the gateway sends an SNI message (for example, based on an SNI message originally sent by the client to the gateway), followed by additional handshake messages between the ...

Cloudflare announces today support for encrypted Server Name Indication, a mechanism that makes it more difficult to track user's browsing. A web server can host multiple websites, with all of them ...

A critical vulnerability found in Exim servers could enable a remote, unauthenticated attacker to execute arbitrary code with root privileges. Researchers are urging users to upgrade their Exim ...

TLS or Transport Layer Security is an encryption protocol. It is designed such that communication through TLS remains secure and private. In this post, I will explain what TLS handshake is and how to ...

Let's Encrypt has disabled TLS-SNI-01 validation after the discovery of an attack able to hijack certificates using the protocol. The certificate authority, which offers free SSL and TLS certificates ...

Transport-layer security is more effective than its predecessor SSL, and its latest version - TLS 1.3 - improves both privacy and performance. Transport Layer Security 1.3 was officially finalized by ...

Part 6 of a six-part article: Just because you checked a few boxes on your Microsoft Exchange Server does not mean that there is secure TLS encryption between your domain and another SMTP server that ...