Ssl

An overview of Kubernetes Ingress resources and the controllers that fulfill them, covering terminology, creation, and prerequisites.

A practical checklist covering X.509 certificate requirements for Kubernetes nodes, users, and the API server. Includes deployment methods, cert-manager workflows, and Extended Key Usage configuration.

A guide to inspecting SSL/TLS handshakes in Java applications when built-in debugging is unavailable. Includes a lightweight TLS client tool for testing certificate and handshake issues.

A collection of useful Wireshark display filters for analyzing SSL/TLS handshake traffic, including a reference table of handshake message types and notes on cipher suite considerations.

A byte-by-byte walkthrough of a TLS 1.3 handshake using OpenSSL’s s_client, comparing each message to its TLS 1.2 counterpart. Highlights how encryption, key exchange, and extensions differ in the latest revision.

A quick fix for the SSL Library Error 185090057 that appears when restarting Apache, caused by a malformed PEM certificate file. Learn how to validate and correct the certificate format to get your server back online.