Some form of network-level encryption, such as a VirtualPrivateNetwork (VPN), perhaps using IP Security Protocol (IPSEC), is the most obvious solution, although there are other reasonable choices.
某种可能使用 IP 安全性协议 (IPSEC) 的网络级加密形式（例如虚拟专用网 (VPN)）是最可取的解决方案，虽然也有其他合理的选择。
2
Virtualprivatenetwork (VPN) technology also constrained our ability to use the tools easily and effectively.
虚拟私有网络(VPN)技术也限制了我们简单而高效地使用这些工具的能力。
3
Connect to your VLAN using an encrypted virtualprivatenetwork (VPN) connection.