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An active defense method for IPv6 address hopping based on sliding time window

A technology of sliding time window and address jumping, which is applied in the direction of digital transmission system, data exchange network, electrical components, etc. It can solve the problems of high delay, low efficiency, and difficult triggering, so as to ensure security and resist DoS attacks. , the effect of anti-traffic interception analysis ability

Active Publication Date: 2020-09-11
深圳市零伍贰陆科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to solve the problems of high delay, difficult triggering and low efficiency in the process of IPv6 network node address hopping, the present invention proposes an active defense method for IPv6 address hopping based on sliding time window (Address Hopping based on Sliding Time Window in IPv6, AHSTW), the communication parties use the shared key to negotiate address jump parameters, and introduce a time window mechanism. The communication parties only receive communication data packets within the time window, which not only ensures communication security, but also ensures communication efficiency.

Method used

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  • An active defense method for IPv6 address hopping based on sliding time window
  • An active defense method for IPv6 address hopping based on sliding time window
  • An active defense method for IPv6 address hopping based on sliding time window

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Embodiment

[0032] Embodiment: the present invention is based on the IPv6 address jump active defense method of sliding time window, specifically comprises the following steps:

[0033] Step 1: Taking the communication between Alice and Bob as an example, when Alice communicates with Bob for the first time or Alice wants to change parameters such as time window, the parameter negotiation process will be executed;

[0034] Step 2: After the parameter transmission and confirmation are completed between Alice and Bob, the two parties conduct the IPv6 address hopping communication process based on the sliding time window.

[0035] The following details the relevant content contained in steps 1 and 2:

[0036] (1) Step 1:

[0037] ① First, Alice uses the timestamp as the seed to generate a random number nonce, and at the same time, generates an address jump interval τ and a sender time window stw (stw ≥ 1), namely:

[0038] Alice: nonce=GenerateRandom(seed timestamp ),stw=GenerateSTW()

[...

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Abstract

The invention relates to an active defense method for IPv6 address hopping based on a sliding time window. On the basis of negotiating parameters such as the size of the sliding window and the length of the hopping interval between the IPv6 communication initiator and the IPv6 communication receiver, the IPv6 address hopping based on IPv6 The communication process of address hopping, due to the introduction of the time window adaptive adjustment algorithm, makes the communication between IPv6 nodes present the characteristics of randomization and dynamics, and can adapt to more complex network environments; the present invention is aimed at address hopping of IPv6 network nodes In the process, there are problems such as high synchronization delay, difficult event triggering and low communication efficiency. Drawing on the idea of ​​moving target defense technology, an active defense method based on sliding time windows for IPv6 address hopping is proposed, which can ensure the overall efficiency of communication between end nodes. Next, increase the detection cost for attackers, and improve the security of communication between IPv6 nodes.

Description

technical field [0001] The invention relates to an active defense method for IPv6 host communication, in particular to an active defense method combined with a sliding time window for jumping. Background technique [0002] The IPv6 network restores end-to-end communication, and each IPv6 node corresponds to a globally routable unicast address. Due to the sufficient address space, technologies such as Network Address Translation (NAT) are no longer needed. In this case, the attacker can more accurately detect and attack the target IPv6 node, so how to enhance the concealment of IPv6 communication and ensure the security of IPv6 nodes has received more and more attention. [0003] Moving Target Defense (MTD) is one of the "game-changing" revolutionary technologies proposed by the United States, which aims to increase the randomness, diversity, and dynamics of information systems, thereby increasing the difficulty and cost of attacks. Address hopping (Address Hopping, AH) ref...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/807H04L29/12H04L47/27
CPCH04L47/27H04L61/2557H04L63/0428H04L63/1458H04L63/1466
Inventor 王禹陈素霞孔亚洲黄全振柏杏丽张连成李松阳王淼李嘉宾张艳杰
Owner 深圳市零伍贰陆科技有限公司
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