Category: Programming
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Web Deploy IIS Authentication Troubleshooting – Fix ‘User Unauthenticated’ Errors
Step-by-step guide to diagnosing and fixing Web Deploy authentication failures on IIS. Covers WMSVC pass-through auth, IIS Manager Permissions, delegation rules, and creating local IIS Manager users as…
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Discovery 3 CAN Bus, Part 10: The EXML Files and What We’re Still Hunting
SDD stores diagnostic configuration in EXML — JLR’s proprietary encrypted XML format. We cracked the Triple DES encryption, decrypted 2,033 EXML files, and found the RLM’s diagnostic data…
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Discovery 3 CAN Bus, Part 7: Cracking the Ford Security Algorithm
Before you can write calibration data to an ECU, you need to pass Security Access. We found the Ford KeyGenMkI algorithm, confirmed the 24-bit LFSR seed in SecAlg.dll,…
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Discovery 3 CAN Bus, Part 6: Reverse Engineering JLR SDD for Air Suspension Diagnostics
Going deeper into the Discovery 3 air suspension: we downloaded JLR SDD 130, extracted the dealer diagnostic VM, and found the service action plugins, VERONA CAN protocol layer,…
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Discovery 3 CAN Bus, Part 9: Building Our Own UDS Diagnostic Tool
Building a Python UDS diagnostic tool for the Discovery 3 air suspension RLM module. Using a LilyGO ESP32 CAN board with full ISO-TP transport, Ford KeyGenMkI security unlock,…
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How to Run Your ASP.NET MVC App from VS Code by Pressing F5 (Yes, Even the Old .NET Framework Ones)
I spend most of my day in Visual Studio Code. It is fast, it is light, and it does not chew through 6GB of RAM just sitting there.…
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Quick fix commands for killing a left over .net core process that is hogging the port.
1. Find what’s on the port 2. Kill it by PID (replace ##### with the PID from step 1) Or do it all in one line (find +…
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E2E Tests; A handy little JS tool
Sometimes when creating e2e tests, and this becomes even more important as we move into the world of AI, there is a gap between actual user experience and…
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How We Set Up OpenCode to Be Actually Useful — A Practical Guide
We have been trying out OpenCode, a terminal-based AI coding assistant, across a few different projects — .NET web apps, Docker Compose stacks, and some embedded firmware work.…
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HTTP Error 500.30 – ASP.NET Core App Failed to Start on IIS: Simple Things to Check First
I recently hit this error after migrating an application from classic ASP.NET (.NET Framework) to ASP.NET Core on IIS. Instead of loading the site, IIS displayed the dreaded:…