---
title: Client challenges
summary: These articles describe how to use client challenges.
url: >-
  https://www.fastly.com/documentation/guides/security/bot-management/client-challenges
---

- [About client challenges](https://www.fastly.com/documentation/guides/security/bot-management/client-challenges/about-client-challenges/)
- [Blocking requests with invalid challenge tokens](https://www.fastly.com/documentation/guides/security/bot-management/client-challenges/blocking-requests-with-invalid-challenge-tokens/)
- [Embedding challenges in pages](https://www.fastly.com/documentation/guides/security/bot-management/client-challenges/embedding-challenges-in-pages/)
- [Serving challenges with interstitial pages](https://www.fastly.com/documentation/guides/security/bot-management/client-challenges/serving-challenges-with-interstitial-pages/)