zedandClaude Opus 4.8 71a49aa36b esp32-c3-adblock: DNS sinkhole for the $2 ESP32-C3, no PSRAM ...

Stores the blocklist as sorted 64-bit FNV-1a hashes in flash (LittleFS) and
binary-searches them — 130k+ domains in ~1MB flash, ~40KB RAM. UDP DNS server
answers 0.0.0.0 for blocked domains and forwards the rest upstream.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-13 14:57:10 +03:00

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