The Zilla PO Box is a container that makes it simple to integrate with on-prem applications. It is a container that queries This container will query user information from systems, then makes outbound REST API calls to push this information to Zilla.
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Zilla can host a PO Box instance for you, and you can add credentials/configurations to this instance inside of your Zilla tenant. Please contact support@zillasecurity.com if you are interested in this approach.
You can host PO Box within an On-Prem Machine. This can be a VM or physical device. If you are interested in doing this, please see Installing PO Box to a Virtual Machine for Requirements, prerequisites and setup.
You can use AWS Cloud Formation to deploy PO Box on AWS. For more information on how to deploy this and what resources we are using, please see Installing PO Box To AWS With CloudFormation.