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Do Code That Matters Blog About Do Code That Matters Blog About Hi, I'm Spencer As a software engineer with a wealth of experience in software development and database design, I am well-versed in a wide range of modern computer languages, with a particular focus on .NET technologies.
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I scanned the BLE devices around my house - they are sharing everything
An inspired project from DEFCON 2024 of the Wall of Sheep with ble devices
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The Infinite Echo: a State-Mirror Bug That Applies the Effect but Not the Dedup Key
A state-mirror rule that updates the relay but never the dedup key guarantees an infinite echo, the same failure shape as replication storms and webhook retry loops. I found it live in two MQTT-linked light switches.
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I tried to do OAuth token exchange with Authentik. Here is the security tradeoff nobody mentions.
Authentik does not support RFC 8693 token exchange. The workaround works, but it shifts a security assumption most people never notice. Here is what I found and how it compares to Keycloak.
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Building a Custom HTTP Proxy in Rust for Mixed-OS Workflows
How I built a Rust-powered transparent HTTP(S) proxy to seamlessly route my Linux traffic through a Windows work machine, with PopOS setup, Docker config, and Chromium proxy tips.
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