Many other factors in the environment can affect performance, including network utilization, other programs on the server, denial of service attacks, and tripping over the power cord.

环境中有许多其他因素会影响性能，包括网络使用率、服务器上的其他程序、拒绝服务攻击以及电源线被绊断。

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If the server CPU and memory seem to be running excessively high, the Domino Web logs should be checked for a Denial of Service type of attack.

如果服务器CPU和内存的运用率极高，那么应该检查Domino Web日志是否存在拒绝服务型攻击。

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There are third-party products that are available to prevent Denial of Service type of attacks on a Domino Web server.

现在有一些第三方产品可以防止Domino Web服务器上的拒绝服务型攻击。

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Within hours, according to the cybersecurity researchers at Panda Labs, the loose group of hackers that calls itself Anonymous launched a distributed denial of service attack that threw junk traffic at the web server of the blog that had made the WikiLeaks announcement, and by 4am had taken the site offline.

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"The name server that is authoritative for Microsoft's Web sites might have crippled under a Denial of Service attack, " he said.

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