Seamlessly connected kernel data packet acquisition technology

A seamless connection, core data technology, applied in electrical components, transmission systems, etc., can solve other people's property security threats and other issues

Active Publication Date: 2015-05-27
赖洪昌
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Problems solved by technology

But at the same time, some criminals use the loopholes in the network to illegally invade other people's host systems, and some use the network to stea

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  • Seamlessly connected kernel data packet acquisition technology

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Embodiment

[0030] In order to better understand the technical solution of the present invention, now in conjunction with the diagram in the accompanying drawing, the specific implementation is further described in detail as follows:

[0031] (1) NDIS driver structure

[0032] NDIS supports three types of network drivers

[0033] ① Network interface card or NIC driver: The NIC driver directly manages the network interface card (NIC). The NIC driver is connected to the hardware from the bottom, and from the top it appears as an interface that allows higher layers to send packets to the network, handle interrupts, reset the NIC, stop the NIC, query and set the operating characteristics of the driver. The NIC driver can be a miniport or a full NIC driver. ②Middle layer driver: The middle layer driver is located between the high-level driver (such as the protocol driver) and the portlet. To high-level drivers, mid-level drivers look like portlets; to portlets, mid-level drivers look like p...

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Abstract

The invention relates to a seamlessly connected kernel data packet acquisition technology. The technology comprises the following operation steps: firstly, driving is performed on a kernel registration network intermediate layer; secondly, data packets are cached in network intermediate layer driving in a blocked way, blocked data is stored in a queue, and each data cache is set to be 2M; thirdly, when a data traffic peak value exceeds a data packet disc writing speed, a data storage queue can automatically apply memory from a system, so as to meet the storage requirements, when the data traffic peak value is recovered, data cache blocks used for a long time can be released, and the data storage queue can be automatically adjusted according to data traffic; fourthly, when a thread is started in a kernel to read blocked data in a cache queue, and when the quantity exceeds the designated data packet quantity, the blocked data cache is written in disc files in order; fifthly, the blocked data is written in a disc according to a PCAP file format.

Description

technical field [0001] The invention relates to seamless kernel data packet capture and belongs to the technical field of computer applications. Background technique [0002] With the rapid development and expansion of computer network technology, especially the rapid development of the Internet in recent years, society has entered an era of information explosion, and the world has become smaller due to the network. People use various technologies and tools to make communication break through the limitation of space. . Global network interconnection has brought convenience to people's life and work, and people are enjoying the better life brought by network technology. But at the same time, some criminals use the loopholes of the network to illegally invade other people's host systems, and some use the network to steal other people's personal information, such as online bank account passwords, etc., posing a major threat to the safety of other people's property. [0003] A...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L67/2885
Inventor 赖洪昌
Owner 赖洪昌
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