I just want to know what is deep packet inspection (DPI) and how It works... Help me.
Deep packet inspection is an advanced computer network packet filtering system that inspects every packet of data. Deep packet inspection (DPI) is identify and classify traffic based on a signature database that includes information.
Deep Packet Inspection is a network packet filtering method that analyses the data part of a packet related to everything you send and receive online. In simple words, it is an advanced filtering system that inspects every packet of data when it passes a firewall. Based upon your specified set of rules the packet is scrutinized for viruses, intrusions, spam, and protocol non-compliance, and accordingly, it allows and rejects it.