[color=#000000]By reading a computer's internet-protocol address, anti-fraud systems can “geolocate” online buyers, and raise or lower scores depending on where they are.

[color=#000000][font=Arial][font=宋体]通过读取某台计算机因特网协议地址，防欺诈系统能“物理定位”那些在线买家，并根据他们的位置增减分值。

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In this case, Spamhaus's Domain Name System (DNS) servers were targeted - the infrastructure that joins domain names, such as bbc.co.uk, the website's numerical internet protocol address.

BBC: Global internet slows after 'biggest attack in history'

Type in "Paypal.com, " for instance, and the DNS server owned by your broadband provider converts that name into the Internet Protocol address where the site is hosted.

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Fast flux takes advantage of an option built into the Web's architecture, which allows site owners to switch the Internet Protocol address of a site without changing its domain name.

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