Embodiments of the present invention provide a data processing method and apparatus. The method includes: receiving a data packet sent by a server, and acquiring a type of the data packet; determining whether the type of the data packet is consistent with a type of a data packet processed by using a preset processing rule or a type of a protocol in a preset TCP/IP protocol stack to obtain a determining result; and if the type of the data packet is consistent with the type of the data packet processed by using the preset processing rule or the type of the protocol in the preset TCP/IP protocol stack, performing processing on the data packet according to the protocol in the preset TCP/IP protocol stack or the preset processing rule.