Browser Customization:
Firefox configurations for deb developers
The article provides recommended Firefox settings adjustments for enhanced user-experience, privacy, and performance, suitable for both developers and general users.
Security
Collection of publications tagged with security.
Command-line Encryption for Secure Communication:
GNU Privacy Guard (GPG) Cheat Sheet
A concise GNU Privacy Guard (GPG) cheat sheet covering GPG vs PGP, options, basic command, and practical examples for encryption, signing, and key management.
Privacy on the Web:
Introduction to Referrer Policy
Learn what the Referrer Policy is, why it matters for privacy, and how you can control it using simple directives to stay compliant and protect user data.
Web Security:
Introduction to Subresource Integrity (SRI)
Subresource Integrity (SRI) secures websites by validating external resources with cryptographic hashes. Learn how to implement SRI to protect users from tampered resources for their security.
Security Auditing:
Lynis cheat sheet
A concise Lynis cheat sheet that explains common commands, scan types, options, and helpers so you can audit Linux, macOS, and UNIX systems.
Web Security:
Understanding Cross-Origin Resource Sharing (CORS)
Learn how Cross-Origin Resource Sharing (CORS) works, including HTTP headers, preflight requests, and server configuration. Fix common CORS errors and secure cross-origin API access.
Email Security:
Understanding DomainKeys Identified Mail (DKIM)
Learn how DomainKeys Identified Mail (DKIM) enhances email security by allowing senders to sign messages cryptographically, ensuring email integrity and authenticity.
Email Security:
Understanding DMARC
Domain-based Message Authentication, Reporting & Conformance (DMARC) enhances email security and helps domain owners control how unauthenticated messages are handled.
Email Security:
Understanding Sender Policy Framework (SPF)
Learn how Sender Policy Framework (SPF) works, its mechanisms, and how to configure it for secure email authentication to help prevent email spoofing, spam, and phishing attacks.
Web Development:
Web development validation and testing tools
Online validation and testing tools for web developers. Learn which tools you need to validate HTML, CSS, JavaScript, security, and accessibility (a11y) in your web projects.
Random Quote
“Premature optimization is the root of all evil.”
