Deep Freeze Cloud 冰点云使用多个端口和 URL 在客户端和云服务之间进行通信。通常，端口 443 必须对出站流量开放，才能使 Deep Freeze 冰点云服务正常运行。
Deep Freeze 冰点产品还利用本地网络上的许多其他端口来安装一些可选组件，这些端口需要在本地网络上打开，才能使这些功能正常运行：
- 7725 – Deep Freeze Cloud Relay（用于 Deep Freeze 冰点按需功能）。
- 3256 – 防病毒中继服务（用于在网络上本地分发防病毒定义）。
管理员还需要确保将以下域列入白名单，以确保它们可访问;
- http：//*.deepfreeze.com
- https：//*.deepfreeze.com
- http：//*.faronics.com
- https：//*.faronics.com
- http：//*.faronicslabs.com
- https：//*.faronicslabs.com
- https://s3-us-west-2.amazonaws.com
- https://faronics-dfc-s3-installer-production.s3-us-west-2.amazonaws.com
- https://connector.deepfreeze.com
- https://s3-eu-west-1.amazonaws.com
- https：//*.execute-api.us-west-2.amazonaws.com
- https：//*.execute-api.eu-west-1.amazonaws.com
- dxmrzy9ysz9qq.cloudfront.net
- https://useast-rcpcloud.deepfreeze.com
- https://uswest-rcpcloud.deepfreeze.com
- https://remotepro-eu-west-1.deepfreeze.com
- https://remotepro-eu-west-1.faronicsdeploy.com
- https://www-ws.deepfreeze.com
- https://www2-ws.deepfreeze.com
- https://www3-ws.deepfreeze.com
- https://www4-ws.deepfreeze.com
- https://www5-ws.deepfreeze.com
- https://www7-ws.deepfreeze.com
- https://www8-ws.deepfreeze.com
- https://www9-ws.deepfreeze.com
- https://www15-ws.deepfreeze.com
- 54.219.75.81
- 34.251.160.43
- 52.88.207.40
- 54.191.220.116
- 34.248.1.73
- 34.216.139.196
- 3.134.251.50
- 3.248.47.158
- 3.140.73.22
- 63.34.137.210