Last change: 2025-01-06
Secure the mail configuration of Postfix with this step-by-step guide, use relevant commands, and increase both security and privacy.
Commands:
- dpkg
- openssl
- postconf
- postqueue
- tar
Ssl articles
Last change: 2025-01-06
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.
Last change: 2025-01-06
Everyone loves secure websites, as long as they are quick. Let's configure our website for maximum security and performance, at the same time.
Last change: 2025-01-06
OCSP stapling is a logical follow-up on Online Certificate Status Protocol. With newer versions of Nginx we can enable OCSP stapling and enable testing.
Commands:
- nginx
- systemctl
Last change: 2025-01-06
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.
Last change: 2025-01-06
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.
Commands:
- grep
- openssl
Last change: 2025-01-06
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.