> For the complete documentation index, see [llms.txt](https://blog.syselement.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.syselement.com/home/courses-notes.md).

# Courses Notes

- [Practical Networking](https://blog.syselement.com/home/courses-notes/practical-networking.md)
- [Practical TLS](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls.md): Practical TLS by PracticalNetworking.net - a deep dive into SSL and TLS
- [TLS/SSL Overview](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/1-tls-ssl.md)
- [Cryptography](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/2-cryptography.md)
- [x509 Certificates and Keys](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/3-x509-certificates-keys.md)
- [Security through Certificates](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/4-security-certificates.md)
- [Cipher Suites](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/5-cipher-suites.md)
- [TLS/SSL Handshake](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/6-tls-ssl-handshake.md)
- [TLS Defenses](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/7-tls-defenses.md)
- [TLS Attacks & Vulnerabilities](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/8-tls-attacks-vulns.md)
- [What's new in TLS 1.3?](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/9-tls-1-3-intro.md)
- [TLS 1.3 Under the Hood](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/10-tls-1-3.md)
- [TLS 1.3 Extensions](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/11-tls-1-3-extensions.md)
- [Practical TLS References](https://blog.syselement.com/home/courses-notes/practical-networking/practical-tls/practicaltls-references.md)
- [TCM Security](https://blog.syselement.com/home/courses-notes/tcmsecurity.md): Direct links to the certifications and training notes