METHOD FOR RECEIVING MESSAGE, AND DEEP PACKET INSPECTION DEVICE AND SYSTEM

摘要

Embodiments of the present invention provide a packet receiving method, a deep packet inspection device and system, which relates to the field of communications, and the method, device and system according to the present invention can improve the capability for identifying the packet of the deep packet inspection device, and prevent occurrence of bugs caused by insufficient identification. The packet receiving method includes: receiving a service request packet sent by a terminal device, where the packet carries a terminal domain name indicating the terminal device and a server domain name indicating a service server required by the service request; resolving the received server domain name to obtain a service server Internet protocol (IP) address; and discarding the packet if the resolved service server IP address does not belong to the preset service server IP address corresponding to the received terminal domain name in a preset list. Embodiments of the present invention are applied to the processing of the packet.