Amazon SNS supports multiple protocols, such as HTTP, HTTPS, Email, Email-JSON, Amazon SQS, Application, AWS Lambda, and SMS. SNS subscribers can receive the message or notification over one of the supported protocols. Apart from the protocols, SNS also provides the topic policy, which can be used to control who can subscribe to or publish to a topic. The subsequent section will describe when to use the topic policy for access control over an SNS topic.
Managing access to Amazon SNS topics
When to use access control
The access control policy helps to define the way to control access to an SNS topic. There can be a number of scenarios where you may need to use the access control policy for an SNS topic. Here are some examples...
