ARP message processing method and network side apparatus
A technology of ARP message and processing method, which is applied in the field of network side equipment and ARP message processing, which can solve the problems of single function, ARP spoofing, and increasing the complexity of terminal deployment and configuration, so as to improve security, reduce dependence, and prevent Effects of ARP Spoofing
Inactive Publication Date: 2011-01-05
SHENZHEN VINCIN UNITED TECH
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Problems solved by technology
However, in the ARP application scenario, it is easy to use ARP flaws to make network device C achieve the purpose of impersonating network device B to communicate with network device A, that is, ARP spoofing
The existing technology proposes an operation deployment on terminal equipment to prevent ARP spoofing. This method not only increases the complexity of terminal deployment configuration, but also does not interact with other network elements, resulting in the problem of single function. limitation
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The embodiment of the invention relates to an ARP message processing method. The state of an MAC corresponding to a current IP in an ARP message is matched, and a corresponding ARP message and a relationship table of the IP and the MAC are processed according to different MAC states. In addition, the embodiment of the invention also provides a network side apparatus. The embodiment of the invention can prevent ARP cheating at a network side, greatly reduce the dependence on a terminal apparatus and simultaneously greatly improve the security of preventing ARP attack.
Description
ARP message processing method and network side equipment technical field The invention relates to the communication field, in particular to an ARP message processing method and network side equipment. Background technique The address translation protocol (AnEthernetAddressResolutionProtocol, ARP) on the Ethernet, by following this protocol, as long as we know the Internet Protocol (Internet Protocol, IP) address of a certain machine, we can know its physical address, that is, the Media Access Control sublayer protocol (MediaAccessControl , MAC) address. In the Transmission Control Protocol / Internet Protocol (TCP / IP) network environment, each host is assigned a 32-bit IP address, which is a logical address that identifies the host in the Internet range. In order for the message to be transmitted on the physical network, the physical address of the other destination host must be known. Thus there is an address translation problem of converting an IP address into a physical...
Claims
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IPC IPC(8): H04L12/56H04L29/06H04L29/12
Inventor 蓝晓敏
Owner SHENZHEN VINCIN UNITED TECH