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There is no subset of [AWS IP address ranges](https://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html) specific to Amazon SNS.


**To add Amazon SNS to an allow list for public HTTP or HTTPS endpoints**


Add all the current [AWS IP address ranges](https://docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html) to your ingress rules.


**Note:** Notifications aren't always sourced from IP addresses in the same AWS Region as their associated topic. You must include the AWS IP address ranges for all Regions.


**To add Amazon SNS to an allow list for private endpoints**


Follow the instructions in [How do I subscribe a private HTTP or HTTPS endpoint to my Amazon SNS topic?](https://aws.amazon.com/premiumsupport/knowledge-center/sns-subscribe-private-http-endpoint/)


**Important:** When fanning out messages from Amazon SNS to HTTP and HTTPS endpoints, it's a best practice to verify the authenticity of the messages. For instructions, see [Verifying the signatures of Amazon SNS messages](https://docs.aws.amazon.com/sns/latest/dg/sns-verify-signature-of-message.html). For an example message validation script, see [How do I verify the authenticity of Amazon SNS messages that are sent to HTTP and HTTPS endpoints?](https://aws.amazon.com/premiumsupport/knowledge-center/sns-verify-message-authenticity/)





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