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IronPort Systems, Inc., headquartered in San Bruno, California, was a company that designed and sold products and services that protect enterprises against internet threats. IronPort was founded in December 2000, by Scott Banister and Scott Weiss. It was best known for IronPort AntiSpam, the SenderBase email reputation service, and email security appliances. These appliances ran a modified FreeBSD kernel under the trademark AsyncOS.〔(IronPort AsyncOS Operating System )〕 On November 24, 2003, IronPort acquired the SpamCop filtering and reporting service, which it ran as a stand-alone entity.〔"(IronPort Systems acquires SpamCop )". 24 November 2003. Accessed 24 August 2010.〕 Cisco Systems announced on January 4, 2007 that it would buy IronPort in a deal valued at US$830 million, and completed the acquisition on June 25, 2007. IronPort was integrated into the Cisco Security business unit.〔"(About )". Cisco IronPort. Accessed 24 August 2010.〕 SenderBase was renamed SensorBase to take account of the input into this database that other Cisco devices provide. SensorBase allows these devices to build a risk profile on IP addresses, therefore allowing risk profiles to be dynamically created on HTTP sites and SMTP email sources. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IronPort」の詳細全文を読む スポンサード リンク
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