Client certificates allow for the app to request a certificate for incoming requests. Only clients that have a valid certificate will be able to reach the app.
Perform the following in the Azure Console:
Perform the following in Azure Command Line Interface 2.0:
To set Incoming client certificates value for an existing app, run the following command.
az webapp update –resource-group <RESOURCE_GROUP_NAME> –name <APP_NAME> –set clientCertEnabled=true