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Firewall strategy search method and system based on spatial sorting, terminal and storage medium

A firewall strategy and search method technology, applied in the field of terminals and storage media, systems, and firewall strategy search methods based on spatial sorting, can solve time-consuming problems, reduce algorithm time complexity, and improve computing performance.

Active Publication Date: 2020-11-06
深圳天元云科技有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The time complexity of the algorithm of this search method is O(N), which takes a long time

Method used

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  • Firewall strategy search method and system based on spatial sorting, terminal and storage medium
  • Firewall strategy search method and system based on spatial sorting, terminal and storage medium

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; in the description of the present invention, it should be noted that when an element is said to be "fixed" to another element, it may be directly attached to another element. On-element or intervening elements may also be present. When an element is said to be "connected" to another element, it may be directly connected to the other element or there may be both intervening elements. It is to be understood that if the terms "upper", "lower", "left", "right ” and other indicated orien...

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Abstract

The invention discloses a firewall strategy search method based on spatial sorting, and compared with the prior art, the algorithm time complexity of the search method is only O(N / 2+log<2>N), so thatthe algorithm time complexity O(N) of the existing search method is greatly reduced, and the calculation performance is remarkably improved. The invention also discloses a search system for realizingthe search method.

Description

technical field [0001] The present invention relates to the technical field of firewalls, in particular to a firewall policy search method, system, terminal and storage medium based on spatial sorting. Background technique [0002] The existing firewall policy search method is as follows: set the existing policy list on the firewall as P[0..N-1], N is the number of policies; set the policy to be searched as x; assume that the search target relationship is an inclusion relationship: [0003] Step 1: Traversing the list P, taking the current policy P[i], comparing the source address, destination address, destination port and protocol of policy x and policy P[i], and judging the inclusion relationship between P[i] and x, if P[ i] contains x, then save P[i] in the result list R; [0004] Step 2: Return the list R. [0005] The time complexity of the algorithm of the search method is O(N), which takes a long time. Contents of the invention [0006] The technical problem to b...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L63/02H04L63/0227H04L63/0263
Inventor 宋天毅
Owner 深圳天元云科技有限公司
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