Network professional with 16+ years of experience in networking and network security, passionate about exploring technologies under the hood and applying them in practice.
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Feb 8 · 9 min read · In Part 1 of this series, I demonstrated how to build a functional VPN protocol from scratch. I successfully encapsulated IP packets into UDP datagrams, handled NAT traversal, and deployed the solution across Docker, AWS, and even an OpenWRT home rou...
Join discussionJan 18 · 6 min read · I’m a network expert, and from time to time I need to build lab environments to demonstrate specific networking technologies. Sometimes I prefer not to rely on vendor-specific products, but to build simple implementations from scratch, as this often ...
Join discussionJan 16 · 7 min read · One day, after experimenting extensively with various VPN technologies, I decided to build my own simple VPN protocol—a practical example that I could ideally test on my home router running OpenWRT. At first, my goal was minimal: just packet encapsul...
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