Added link to firewall steps.

Author: RoseHJM

articles/dev-box/how-to-customize-dev-box-setup-tasks.md

@@ -238,6 +238,8 @@ If your organization's policies require you to keep your Key Vault private from
 
 :::image type="content" source="media/how-to-customize-dev-box-setup-tasks/customizations-configure-firewall.png" alt-text="Screenshot showing Azure firewall configuration with Allow trusted Microsoft services to bypass this firewall selected." lightbox="media/how-to-customize-dev-box-setup-tasks/customizations-configure-firewall.png":::
 
+To learn how to allow trusted Microsoft services to bypass the firewall, see [Configure Azure Key Vault networking settings](../key-vault/general/how-to-azure-key-vault-network-security.md).
+
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 - [Add and configure a catalog from GitHub or Azure DevOps](/azure/deployment-environments/how-to-configure-catalog?tabs=DevOpsRepoMSI)