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No security infrastructure in IP layer as long as IP4,but
guest:IP6 has security inf
(#44017@0)
Last Updated: 2001-4-11
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对网络安全很感兴趣，想系统地学习，请圈内人士指点（相关网址，网上教材，或多伦多培训学校）
枫下论坛主坛
/
工作学习
/
求学深造