VPN翻墙，技术难题与创新机遇

近年来,随着互联网技术的飞速发展，VPN（Virtual Private Network，VPN）作为一种重要的技术工具，逐渐成为现代通信中不可或缺的一部分，尽管VPN技术得到了广泛应用，其核心技术——网络翻墙技术——仍面临诸多挑战和机遇。

什么是VPN翻墙？

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