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OpenVPN是一种基于SSL协议的新型VPN实现技术,其加密解密建立在OpenSSL之上。OpenVPN在用户空间运行,不需要修改系统内核,配置容易,对NAT支持优秀。本文对OpenVPN的功能、特点作了介绍,并给出了一种基于OpenVPN技术的VPN隧道的实现。
OpenVPN is a new VPN technology based on SSL protocol. Its encryption and decryption are based on OpenSSL. OpenVPN runs in user space without the need to modify the system kernel, with easy configuration and excellent NAT support. This paper introduces the functions and features of OpenVPN, and presents an implementation of VPN tunnel based on OpenVPN technology.