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This guide walks you through the fundamentals of cert-manager in Kubernetes, explaining the difference between Issuer and ClusterIssuer, and provides step‑by‑step commands to create self‑signed, CA, and ACME issuers, verify them, and reference official documentation for secure certificate automation.
This article explains the fundamentals of the HTTP protocol, illustrates its susceptibility to man‑in‑the‑middle attacks, discusses symmetric and asymmetric encryption attempts, and then details how HTTPS (TLS) and the CA trust model protect data transmission from interception and tampering.
HTTPS secures web traffic by combining symmetric and asymmetric encryption, digital signatures, and certificate authorities within the TLS protocol to ensure confidentiality, integrity, authentication, and non‑repudiation, replacing insecure HTTP and becoming mandatory for modern browsers, servers, and platforms despite earlier concerns about cost and complexity.
This article explains the inherent insecurity of plain HTTP, illustrates man‑in‑the‑middle attacks, shows why simple symmetric encryption is insufficient, and details how HTTPS (SSL/TLS) with asymmetric key exchange and CA verification protects data transmission.
This article explains the fundamentals of the HTTP protocol, illustrates its susceptibility to man‑in‑the‑middle attacks, discusses mitigation techniques using symmetric and asymmetric encryption, and describes how HTTPS with TLS and a CA certification system protects data integrity and confidentiality.
This article explains how HTTPS security depends on certificates, outlines the risks of certificate forgery, describes the certificate issuance process, and introduces Certificate Transparency and the Expect-CT header as mechanisms to detect and mitigate forged certificates.
This article explains the fundamentals of server certificates, private keys, and certificate authorities, classifies DV/OV/EV certificates, describes how to generate and inspect them, outlines CA history and notable incidents, and discusses PKI security measures such as HPKP and Certificate Transparency.