Things I build, break, fix, and write about

8 July 2026
Local DNS proxy now preserves DNSSEC records

Cloudflare One Client for Windows now leaves DNSSEC records alone, which is exactly the sort of change I like, because it stops the client quietly meddling with answers. I have seen enough broken name resolution to know that a neat tunnel can still hide a messy DNS state.

8 July 2026
Cloudflare One Client for macOS DNS search suffixes

Cloudflare One Client for macOS can make a short hostname behave very differently, and most of the pain sits in the suffix list rather than DNS itself...

7 July 2026
Tracing acme.sh certificate handling in TLS interception

I spent too long chasing the neat version of TLS wiretapping reconstruction, then found the mess: shell parsing, token limits, and renewal timing. The...

7 July 2026
Reverse engineering game binaries with static analysis

Game binaries give up more than they should, if you know where to look. I start with binary analysis, not the folklore around the game, then use...

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8 December 2025
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8 December 2025
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7 December 2025
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7 December 2025
Best practices for Sophos XGS HA cluster configurations

Peer Administration on a Sophos XGS HA cluster only behaves if the network layout is thought through first. Keep client traffic, the HA heartbeat and management on separate paths where you can. A...

6 December 2025
Configuring Sophos Connect to force a login when using Entra SSO

Discover how to configure Sophos Connect to enforce login prompts for SSO users, preventing authentication failures and ensuring smooth third-party access.

5 December 2025
Using n8n snapshots for backups that restore

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