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Arcjet · Concept

Deno

Arcjet Deno filters use expressions over HTTP request data to deny matching traffic. Run a rule in LIVE mode to block requests or DRY_RUN mode to log matches only.

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Syntax

filter({ deny: string[], mode: "LIVE" | "DRY_RUN" })
const decision = await aj.protect(request);

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  • arcjet
  • filter
  • protect
  • characteristics
  • Deno.serve
  • LIVE
  • DRY_RUN
  • ip.src

Source: Filters for Deno | Arcjet Docs. Checked 2026-11-03.