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VPN是企业内部网的延伸,通过公用网络在企业内部网和远程用户、分支机构、合作商之间搭建安全的网络平台,并保障私有数据的可靠传输。IPSec协议是IETF为保障IP通信而制定的,提供了认证与加密两种安全机制。本文阐述了基于IPSec协议的VPN,能从容地满足中、小型企业的VPN组网需求,并以某公司为例,进行VPN组网设计。
VPN is an extension of the intranet, through the public network in the intranet and remote users, branch offices, partners to build a secure network platform, and to ensure the reliable transmission of private data. IPSec protocol is developed by IETF to ensure IP communication and provides two authentication and encryption security mechanisms. This paper describes the VPN based on IPSec protocol, can comfortably meet the needs of small and medium enterprises VPN networking, and to a company, for example, VPN network design.