add link from parent Private Operator Integrations page

Author: swibi-ttd

docs/guides/integration-options-private-operator.md

@@ -136,3 +136,7 @@ There is no functional difference between the Private Operator versions.
 | GCP Confidential Space | [Private Operator for GCP integration guide](../guides/operator-private-gcp-confidential-space.md) | Information for setting up the UID2 Operator Service in [Confidential Space](https://cloud.google.com/confidential-computing#confidential-space), a confidential computing option from [Google Cloud](https://cloud.google.com/docs/overview/) Platform. |
 | Azure | [Private Operator for Azure integration guide](../guides/operator-guide-azure-enclave.md) | Instructions for setting up the UID2 Operator Service in an instance of Confidential Containers, a confidential computing option from Microsoft Azure. |
 | AKS | [Private Operator for AKS integration guide](../guides/operator-guide-aks-enclave.md) | Instructions for setting up the UID2 Operator Service in an instance of AKS, a confidential computing solution that runs on virtual nodes on Microsoft Azure container instances and uses Kubernetes. |
+
+:::note
+All Private Operators must be allowed to access the destinations in [Private Operator network egress](../ref-info/operator-private-network-requirements.md). If your organization is secured with a firewall or proxy, these domains must be added to the allowlist.
+:::