Through the Looking Glass of Logs: Karachi Police, DuckDuckGo, and IPv6 Magic
Remember when I said reality turned out to be harsher? When you open the logs of a custom-built analytics package after a couple of days, you expect t…
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How I Access My Home PC From Anywhere Without Spending a Penny
My beautiful home PC setup back in Kerala — the setup that started this project. I’m originally from Kerala, but currently residing in Mumbai. Back ho…
Understanding known_hosts and Host Key Verification: What It Protects Against and How TOFU Works
That "authenticity of host can't be established" message isn't just noise. Here's what's actually happening — and why blindly typing "yes" is a securi…
Sniffing Modbus Traffic with 5 Lines of Python (And Why It Should Scare Your OT Team)
⚠️ For defensive/educational purposes only. Sniff only networks you own or are explicitly authorized to test. Unauthorized network monitoring is illeg…
AllReduce Stalls Are Network Stalls. Most Tools See Neither.
A slow AllReduce on rank 5 lines up against TCP retransmits on rank 5’s NIC, four ms before the collective completes. TL;DR When a multi-node training…
BGP Knowledge for Indie Hackers: Is It Really Necessary?
The world of indie hackers typically demands deep knowledge in areas like software development, product management, and marketing. When you're trying …
My Struggles as a Software Engineer in 2026
This post is adapted from my YouTube vlog, " My Struggles as a Software Engineer in 2026! " I started my journey to become a software engineer two yea…
How we connect two strangers' webcams fast (and keep the TURN bill small)
Camdiv matches you with a random stranger and puts you both on live video. I wrote separately about the genuinely hard part, which is moderation. This…
Embedding sing-box in an iOS messenger to bypass Russian DPI (no VPN)
Embedding sing-box in an iOS messenger to bypass Russian DPI (no VPN) Our HTTPS API was timing out and our WebSocket refused to upgrade for a growing …
Windows 11 Microsoft Account Login Recovery During Internet Restrictions
Windows 11 locked me out of my own Microsoft account during an internet blackout. Not because the password was wrong. Not because the account was comp…
HTTP Headers Every Developer Should Know (2026)
HTTP Headers Every Developer Should Know (2026) Headers are the hidden conversation between your browser and the server. Understanding them makes you …
05/20: TCP/IP vs OSI Model: The Ultimate Comparison
The Question Every Networking Student Eventually Asks After learning the OSI Model, most students discover something surprising: The internet doesn't …
800G to 400G Breakout: How to Scale 400G Networks with 800G Ports
How do you scale your network from 400G to 800G—without replacing your entire infrastructure? This is the exact challenge many AI data centers are fac…
SSH Login Taking Forever? Check Your DNS Settings
SSH Login Taking Forever? Check Your DNS Settings The Situation You type ssh user@server , hit enter, and wait. And wait. Ten seconds later, the passw…
C# Networking Deep Dive with io_uring part 5 - Threadpool Rant
Part 5 was going to be about integrating on Kestrel, instead this is going to be a rant about io_uring and threadpool. This story doesn't begin with i…
Why is VLAN Segmentation Overhyped in Small Networks?
Every new system or network engineer in the industry often starts by segmenting the existing network into slices, all in the name of "securing" it. In…
I built a Redis clone in C: From blocking I/O to epoll to crash safe persistence
I had been hearing about sockets, TCP connections, and networking for years without truly understanding what any of it meant at the code level. Buildi…
Zero-Install Tunneling in 2026: The Developer's Complete Guide to Agentless Localhost Proxies
IT InstaTunnel Team Published by our engineering team Zero-Install Tunneling in 2026: The Developer's Complete Guide to Agentless Localhost Proxies Ho…
Introduction to Amazon Route 53: The Cloud DNS That Powers Global Applications
Ever spent 3 hours debugging why your new SaaS launch is showing a 404 for half your global users, only to realize you messed up a DNS record update t…
The Hidden Life of a Container: A Complete Lifecycle
The anatomy of a container tells you what the walls are made of. This article tells you when they go up, what happens inside them, and what the kernel…
Visual Guide to TCP at the Transport Layer
I built a detailed visual diagrams for the Transmission Control Protocol (TCP) — one of the core protocols powering the internet, that operates at the…
Generative algorithm using human interpretation
Hi everyone! I released a participatory generative art collection where the algorithm's inputs are human interpretations of a daily cultural prompt ra…
JahSeeToo The First Malaysia's Hacker
💻 Deconstructing Infrastructure: Automation, Reverse Tunneling, and Cyber Security Labs Originally drafted for my tech journal at github.com/toojahsee…
Net-Zero Infrastructure: Implementing Solar-Scheduled Tunnel Egress
IT InstaTunnel Team Published by our engineering team Net-Zero Infrastructure: Implementing Solar-Scheduled Tunnel Egress Net-Zero Infrastructure: Imp…
How the Internet Actually Works: Understanding Client-Server Architecture with Real Code
How the Internet Actually Works: Understanding Client-Server Architecture with Real Code The Big Picture: What Happens When You Visit a Website? Every…
I Keep Forgetting Subnet Math — Here's the Cheat Sheet I Actually Use
I have been writing backend code for years and I still cannot tell you, off the top of my head, how many usable hosts are in a /22 . Every time I open…