Deep Packet Inspection (DPI) is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information.
Deep Packet inspection is contrary to Article 23 of the Constitution of the Russian Federation. However Federal Law №139 enforces blocking websites on the Russian Internet blacklist using IP-filtering.
In the United States the FCC has adopted Internet CALEA requirements. The FCC, pursuant to its mandate from the U.S. Congress, has required that all telecommunication providers, including Internet services, be capable of supporting the execution of a court order to provide real-time communication forensics of specified users. In 2006, the FCC adopted new Title 47, Subpart Z, rules requiring Internet Access Providers meet these requirements. DPI was one of the platforms essential to meeting this requirement and has been deployed for this purpose throughout the U.S. President George W. Bush and Attorney General Alberto R. Gonzales have asserted that they believe the president has the authority to order secret intercepts of telephone and e-mail exchanges between people inside the United States and their contacts abroad without obtaining a FISA warrant.* The Defense Information Systems Agency has developed a sensor platform that uses Deep Packet Inspection.**
Deep Packet inspection is contrary to Article 23 of the Constitution of the Russian Federation. However Federal Law №139 enforces blocking websites on the Russian Internet blacklist using IP-filtering.
In the United States the FCC has adopted Internet CALEA requirements. The FCC, pursuant to its mandate from the U.S. Congress, has required that all telecommunication providers, including Internet services, be capable of supporting the execution of a court order to provide real-time communication forensics of specified users. In 2006, the FCC adopted new Title 47, Subpart Z, rules requiring Internet Access Providers meet these requirements. DPI was one of the platforms essential to meeting this requirement and has been deployed for this purpose throughout the U.S. President George W. Bush and Attorney General Alberto R. Gonzales have asserted that they believe the president has the authority to order secret intercepts of telephone and e-mail exchanges between people inside the United States and their contacts abroad without obtaining a FISA warrant.* The Defense Information Systems Agency has developed a sensor platform that uses Deep Packet Inspection.**
* Carol D. Leonnig (2007-01-07). "Report Rebuts Bush on Spying - Domestic Action's Legality Challenged". The Washington Post. Retrieved 2008-03-03
** Cheryl Gerber (2008-09-18). "Deep Security: DISA Beefs Up Security with Deep Packet Inpection of IP Transmissions". Retrieved 2008-10-30.
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