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

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/ssl/llms.txt  
> Use this file to discover all available pages before exploring further.

[Skip to content](#%5Ftop) 

# Migration guides

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/)

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/ssl/","name":"SSL/TLS"}},{"@type":"ListItem","position":3,"item":{"@id":"/ssl/reference/","name":"Reference"}},{"@type":"ListItem","position":4,"item":{"@id":"/ssl/reference/migration-guides/","name":"Migration guides"}}]}
```