Rabbit Holes

Stories of all the times I spent the night trying to figure why something wasn't working.
3 posts
Latest posts
Exploring The Internet’s Domain Name Space
DNS public

Exploring The Internet’s Domain Name Space

Ahmed Musaad
Ahmed Musaad
After my Swedish domain namespace adventure, I thought I’d do something sensible next. Instead, I decided to repeat the experiment at internet scale, which is the analytical equivalent of going from “a quiet stroll” to “let’s climb Everest in flip-flops”.
20 min read
The Mystery of Random Kernel Extension Alerts
MDM public

The Mystery of Random Kernel Extension Alerts

Ahmed Musaad
Ahmed Musaad
One day, some users started getting annoying popup warnings telling them macOS has blocked a kernel extension that's used by specific software. This post is a rough account of how we investigated and found a possible solution for the root cause of this issue.
3 min read
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