# Fastly::TlsCommon ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **tls_ca_cert** | **String** | A secure certificate to authenticate a server with. Must be in PEM format. | [optional][default to 'null'] | | **tls_client_cert** | **String** | The client certificate used to make authenticated requests. Must be in PEM format. | [optional][default to 'null'] | | **tls_client_key** | **String** | The client private key used to make authenticated requests. Must be in PEM format. | [optional][default to 'null'] | | **tls_cert_hostname** | **String** | The hostname used to verify a server's certificate. It can either be the Common Name (CN) or a Subject Alternative Name (SAN). | [optional][default to 'null'] | | **use_tls** | **Integer** | Whether to use TLS. | [optional][default to USE_TLS::no_tls] | [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)