- An [external tenant](how-to-create-external-tenant-portal.md).
- A Microsoft [Azure Front Door (AFD)](/azure/frontdoor/front-door-overview) configuration. Traffic from the Akamai WAF routes to Azure Front Door, which then routes to the external tenant.
- An [Akamai Web Application Firewall (WAF)](https://www.akamai.com/glossary/what-is-a-waf) that manages traffic sent to the authorization server.
- A [custom domain](/entra/external-id/customers/how-to-custom-url-domain) in your external tenant that’s enabled with Azure Front Door (AFD).
- An [external tenant](how-to-create-external-tenant-portal.md).
- A Microsoft [Azure Front Door (AFD)](/azure/frontdoor/front-door-overview) configuration. Traffic from the Akamai WAF routes to Azure Front Door, which then routes to the external tenant.
- An Akamai account. If you don’t have one, go to the [Security Store](https://securitystore.microsoft.com/solutions/akamai-technologies.akamai_wapplusion_public) to create and purchase your account.
- An [Akamai Web Application Firewall (WAF)](https://www.akamai.com/glossary/what-is-a-waf) that manages traffic sent to the authorization server.
- A [custom domain](/entra/external-id/customers/how-to-custom-url-domain) in your external tenant that’s enabled with Azure Front Door (AFD).