studies | lab to explore and study TLS mechanisms
- https://lform.com/blog/post/ssl-certificates-for-dummies-what-they-are-and-why-theyre-important/
- https://www.globalsign.com/en/blog/what-is-an-intermediate-or-subordinate-certificate-authority
- https://www.globalsign.com/en/blog/what-is-an-intermediate-or-subordinate-certificate-authority
- https://datacenteroverlords.com/2012/03/01/creating-your-own-ssl-certificate-authority/
- https://howhttps.works/pt-br/
- https://gist.github.com/marshalhayes/ca9508f97d673b6fb73ba64a67b76ce8