Mastering Linux Security and Hardening - Second Edition

Further reading

Explanations about TLS and OpenSSL:

• OpenSSL Tutorial-How do SSL certificate, private keys, and CSRs work?: https://phoenixnap.com/kb/openssl-tutorial-ssl-certificates-private-keys-csrs
• OpenSSL Certificate Authority: https://www.semurity.com/how-to-setup-your-own-certificate-authority-ca-using-openssl/
• Building an OpenSSL Certificate Authority: https://devcentral.f5.com/s/articles/building-an-openssl-certificate-authority-introduction-and-design-considerations-for-elliptical-curves-27720
• Transport Layer Security version 1.3 in Red Hat 8: https://www.redhat.com/en/blog/transport-layer-security-version-13-red-hat-enterprise-linux-8
• A brief explanation of OpenSSL architecture: https://www.openssl.org/docs/OpenSSLStrategicArchitecture.html ...