NBAR

NBAR (Network Based Application Recognition) Фильтрация по url (запрещаем одноклассники, вконтакте)

NBAR (Network Based Application Recognition) is a cool Cisco tool to identify and classify content flowing through a router. You can identify applications as mission critical, business-related, non-critical or unwanted. Once these mission critical applications are classified they can be guaranteed a minimum amount of bandwidth, policy routed, and marked for preferential treatment. Non-critical applications including Internet gaming applications and MP3 file sharing applications can also be classified using NBAR and marked for best effort service, policed, or blocked as required.

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It анекдот

Нажимаю "Мой компьютер"... не моет, сука.