To address security concerns, cable modem services provide capabilities for using Virtual Private Network (VPN) connections to a VPN server, which is typically located at the corporate site.

• 为了对付安全性的考量，缆线数据机服务提供者会提供使用虚拟私有网路(VPN)功能连线到通常是位于公司中的虚拟私有网路伺服器。