ACLs use access control entries (ACE) to control user and group access and denial. Though more commonly known as rules, they are.

ACL使用访问控制条目(ace)控制用户和组的访问权。

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But with denial of service attacks, attackers don't need to gain access to a system.

但进行拒绝服务攻击时，攻击者不必获得对系统的控制权。

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Attack An attempt to circumvent the security measures in place on a network either to gain unauthorized access to the system or to force a denial of service.

试图破解网络上某一处的安全防护措施，以便在未获得授权的情况下访问系统或者是遭到服务拒绝。

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Eleven percent involved scans, probes and attempted access and 0.1 percent were denial-of-service attacks.

事件中有11%涉及扫描探测并企图获取信息，0.1%是拒绝服务攻击。

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Only legitimate users can access the services (including the denial of spoofing schemes).

只有合法用户能访问服务(包括拒绝欺诈阴谋)。

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It is manifested in restricted access to health, education and other essential services and, too often, by the denial or abuse of other fundamental human rights.

它表现在获得保健、教育和其他必要服务的机会受到限制，还往往表现在其他基本人权遭到剥夺或践踏。

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Although distributed denial of service attacks do not harm a database, they are generally carried out to prevent people having access to an Internet site or to prevent a service from functioning.

分布式拒绝服务攻击并没有用来侵入后台数据库，这一攻击多用来阻止用户正常进入某些网页，或者阻止一些功能性服务的正常使用。

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ACE, the rules governing extended permissions of access or denial, can be confusing.

ACE是控制授予或拒绝扩展权限的规则，它们可能不容易理解。

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ACE, the rules governing extended permissions of access or denial, can be confusing.

ACE是控制授予或拒绝扩展权限的规则，它们可能不容易理解。

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