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VPC Service Controls
can help you mitigate the risk of data exfiltration from Dialogflow.
Use VPC Service Controls to create a service perimeter
that protects the resources and data that you specify.
For example, when you use VPC Service Controls to protect Dialogflow,
the following artifacts cannot leave your service perimeter:
When VPC Service Controls is enabled, webhook
calls are blocked.
Service perimeter creation
When you create a service perimeter,
include Dialogflow (dialogflow.googleapis.com) as a protected service.
You aren't required to include any additional services
for Dialogflow to function.
However, Dialogflow won't be able to reach resources outside the perimeter,
such as files in a Cloud Storage bucket that is outside the perimeter.
For more information about creating a service perimeter, see
Creating a service perimeter
in the VPC Service Controls documentation.
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