词典释义：
双语例句
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Also, standard tech-niques such as network-based vulnerability scanning are usually forbidden by IaaS providers because, for example, friendly scans can't be distinguished from at-tacker activity.
此外，标准的技术，如基于网络的漏洞扫描通常被IaaS提供商所禁止，原因之一是无法把友好的扫描从攻击者的活动区别开来。