Alstra Solutions Ltd.

Category: Alstra Technical Blog

Unveiling the Encrypted Client Hello (ECH) Protocol

Let’s get to know Encrypted Client Hello (ECH), a revolutionary TLS 1.3 protocol extension that facilitates the encryption of the whole Client Hello message. Sent during the preliminary stage of TLS 1.3 negotiation, ECH secures the payload using a public key that the web browser, known as the relying party, must know beforehand. This encryption […]

Implementing the 7G Firewall on Nginx

Introduction In the world of web security, having a robust firewall is crucial to protect your website from malicious attacks. The 7G Firewall is a lightweight yet powerful open-source Web Application Firewall (WAF) that can help safeguard your Nginx server. In this tutorial, we will walk you through the process of implementing the 7G Firewall […]