Novell的BorderManager可提供三种类型的VPN服务。站到站方式是各站点服务器运行BorderManager,利用Internet实现两个以上的站点互连,从而将多个局域网紧密构成一个广域网:客户机/服务器方式是存服务器上运行BorderManager,用户运行客户端软件,通过拨号或其它方式登录到服务器;外连网方式是企业通过Internet,将它的合作伙伴的网络连到一起,从而共享资源,协同产品开发。为保证在Internet上传输信息的保密性和完整性,BorderManager采用了基于开放标准的加密和签名技术,支持各种标准的通道、加密和密钥交换技术。它采用IPsec标准, Novell’s BorderManager offers three types of VPN services. Station to stand by the way the site is running BorderManager server, the use of the Internet to achieve more than two sites interconnection, which will form a wide area network LAN closely: client / server mode Save the server running BorderManager, the user running client software, Through dial-up or other ways to log on to the server; the external networking way is to connect the network of its partners through the Internet to share resources and coordinate product development. To ensure the confidentiality and integrity of information transmitted over the Internet, BorderManager uses an open standards-based encryption and signature technology that supports a wide range of standard channels, encryption, and key exchange technologies. It uses the IPsec standard,