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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(1)\"><em></em>下载文档(未登录)专家支招 防止局域网内ARP欺骗描述：本文对于ARP欺骗，提出几点加强安全防范的措施。环境是主机或者网关是基于Linux/BSD的。一、理论前提本着“不冤枉好人，不放过一个坏人的原则”，先说说我的一些想法和理论依据。首先，大家肯定发送ARP欺骗包肯定是一个恶毒的程序自动发送的，</a>';
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