The SearXNG limiter and why it needs Valkey
The SearXNG limiter keeps its per IP counters in Valkey. Set up limiter.toml in a container or a source install, and see which sections actually matter.
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Fix SearXNG Rate Limits and 429 Errors
SearXNG 429 errors have two causes: your own limiter, or the engines blocking your server IP. Read the log, fix the right one, and stop guessing.