Blog Posts

Thoughts on software, security, and more

March 18, 2026·7 min read

networkingfirewallperformanceunifiopnsensebufferbloat

I Blamed My ISP For Three Months. It Was My Router.

Upgraded to a UniFi Express 7, got terrible performance, filed an ISP support ticket, and eventually realized it was my own network. Switched to OPNsense and got full line rate and a bufferbloat A.

November 17, 2025·5 min read

reverse-engineeringstreamingdrm

TV2Play's Pointless 720p Desktop Restriction

TV2Play artificially limits desktop users to 720p by enforcing maxResolution=720p instead of implementing proper Widevine-based content protection. A security theater approach that serves no actual purpose.

May 12, 2024·6 min read

reverse-engineeringsecurity

ExamCookie - The illusion of exam integrity 5 years later

ExamCookie, an exam anti-cheating solution, promises to secure educational integrity but falls short. This analysis revisits its security measures, five years after initial exposure.