Ssl

Postfix Hardening Guide for Security and Privacy

Secure the mail configuration of Postfix with this step-by-step guide, use relevant commands, and increase both security and privacy.

Deleting Outdated HPKP Key Pins in Firefox

HPKP is great to pin a certificate to a website, unless it starts blocking access to it. Here is how to solve the issue for an oudated HPKP key pin.

Optimize SSL/TLS for Maximum Security and Speed

Everyone loves secure websites, as long as they are quick. Let's configure our website for maximum security and performance, at the same time.

Disable SSLv3 in Lighttpd to protect against POODLE attack

Protecting against the POODLE attack with Lighttpd is easy by changing its configuration. Disable SSLv2 and SSLv3 to limit the attacks on the SSL protocol.

Protect Linux systems against SSLv3 Poodle vulnerability

The Poodle vulnerability was discovered in October 2014, putting all systems using SSL 3.0 at risk. Here is what to do to protect against it.

Protect against the BEAST attack in Nginx

The BEAST attack showed up in 2011 and some servers are still vulnerable to it. With the right protocols, ciphers and preference, we can keep the BEAST out.