Deep dives into the protocols that power the internet.
Frustrated with port forwarding or NAT issues on Satellite or Mobile data? Learn why Carrier-Grade NAT (CGNAT) is the culprit and how to bypass it.
You set your DNS to Google or Cloudflare, but you are still blocked? Your ISP might be intercepting port 53 traffic transparently.
Discover the magic of Anycast routing that allows DNS services like Cloudflare's 1.1.1.1 to be incredibly fast by routing you to the nearest physical server.
Relying on a website to check your gigabit connection? Single-threaded JavaScript engines and HTTP overhead make browser tests unreliable for high-speed lines.
BGP was built on trust. Anyone can announce any IP prefix. RPKI adds cryptographic proof of ownership to prevent route hijacking attacks.
Wi-Fi 6E claims multi-gigabit speeds. But for gaming and VoIP, it still loses to a $5 cable. We explain the Half-Duplex nature of wireless spectrum.