---
description: Guides for migrating away from distrusted certificate authorities.
title: Migration guides
image: https://developers.cloudflare.com/og-docs.png
---

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# Migration guides

Last updated Apr 16, 2026|Copy as Markdown|[View as Markdown](https://developers.cloudflare.com/ssl/reference/migration-guides/index.md)|[Agent setup](https://developers.cloudflare.com/agent-setup/)

These guides walk you through the migration processes associated with various changes in Cloudflare's SSL/TLS infrastructure.

* [Entrust distrust by major browsers](https://developers.cloudflare.com/ssl/reference/migration-guides/entrust-distrust/)
* [DigiCert Legacy Root (G1) distrust by major browsers](https://developers.cloudflare.com/ssl/reference/migration-guides/digicert-g1-distrust/)

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## On this page

[![](https://developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://developers.cloudflare.com/)

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