Practical guides on the tools and concepts you use every day: JSON, JWT, Unix timestamps, log analysis, BMI, and more.
A working reference to the HTTP request headers your browser sends on every request. What each one means, what it reveals, and how to read the chain when a corporate proxy, VPN, or CDN sits in the path.
Read more →A working guide to TCP retransmissions: what counts as a retransmit, why they happen (loss, congestion, MTU), how to detect them in a pcap, and which Linux commands point to the actual cause.
Read more →The terms get used interchangeably but they mean different things. A clear breakdown with examples, common mistakes, and which tool to reach for.
Read more →JWT is easy to use and easy to misuse. A practical breakdown of the mistakes that have caused real-world breaches, with the fixes.
Read more →A complete reference for admins: Content Gateway, Filtering Service, Policy Server, Master DB, SSL inspection, cluster sync, and more. Verified against official Forcepoint documentation.
Read more →The single most common timestamp bug in modern apps. How to spot the difference, convert between them, and never get bitten again.
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