# TlsConfig
<a name="API_TlsConfig"></a>

An object that specifies the TLS configuration for a domain.

## Contents
<a name="API_TlsConfig_Contents"></a>

 ** securityPolicy **   <a name="iot-Type-TlsConfig-securityPolicy"></a>
The security policy for a domain configuration. For more information, see [Security policies ](https://docs.aws.amazon.com/iot/latest/developerguide/transport-security.html#tls-policy-table) in the * AWS IoT Core developer guide*.  
Type: String  
Length Constraints: Maximum length of 128.  
Pattern: `[\s\S]*`   
Required: No

## See Also
<a name="API_TlsConfig_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iot-2015-05-28/TlsConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iot-2015-05-28/TlsConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iot-2015-05-28/TlsConfig)