Computer Networks

A book-shaped table of contents for computer networking, from first principles to production systems: Ethernet through IP, TCP/UDP/QUIC, DNS, the HTTP ecosystem, security, cloud/Kubernetes networking, performance engineering, observability/debugging, and distributed-systems networking — cross-linking existing kubernetes/sre/system-design/tech notes instead of duplicating them.

1 — Cryptography Fundamentals

Symmetric and asymmetric encryption, hashing, and HMAC as the cryptographic primitives every later security chapter depends on.

4 — Authentication Protocols

OAuth2, OIDC, JWT, SAML, and Kerberos as the authentication protocols that show up repeatedly in distributed-systems interviews.

5 — Network Security

VPNs, IPSec, WAFs, IDS/IPS, and DDoS protection as the network-level security controls layered on top of TLS.

Computer Networks

A book-shaped table of contents for computer networking, from first principles to production systems: Ethernet through IP, TCP/UDP/QUIC, DNS, the HTTP ecosystem, security, cloud/Kubernetes networking, performance engineering, observability/debugging, and distributed-systems networking — cross-linking existing kubernetes/sre/system-design/tech notes instead of duplicating them.