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Method and system for efficient packet filtering

A technology of grouping and grouping gateway, applied in transmission systems, digital transmission systems, security communication devices, etc., and can solve complex problems

Pending Publication Date: 2022-05-17
向心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This problem is compounded by ever-increasing network link speeds and increasing network traffic

Method used

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  • Method and system for efficient packet filtering
  • Method and system for efficient packet filtering
  • Method and system for efficient packet filtering

Examples

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Embodiment Construction

[0053] In the following description of various exemplary embodiments, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various implementations in which aspects of the disclosure may be practiced. example. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made without departing from the scope of the present disclosure. In addition, reference is made to specific applications, protocols, and embodiments in which aspects of the present disclosure may be practiced. It is to be understood that other applications, protocols and embodiments may be utilized and structural and functional modifications may be made without departing from the scope of the present disclosure.

[0054] Various connections between elements are discussed in the following description. These connections are generic and can be any combination of direct or indirect, wired or wirel...

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Abstract

The packet gateway may protect the TCP / IP network by enforcing security policies on in-transit packets across network boundaries. The policy may include network threat intelligence (CTI) derived packet filtering rules. The rapid increase of the CTI amount and the size of the associated CTI derivation strategy, and the continuously increased network link speed and network flow may stop the cost of enough computing resources. To efficiently process packets, a packet gateway may be provided with at least one probabilistic data structure, such as a Bloom filter, for testing packets to determine whether packet data may match packet filtering rules. The packet filtering rules may be grouped into subsets of rules, and a data structure may be provided for determining a subset of matching rules associated with a particular packet.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Regular Patent Application Serial No. 16 / 399,700, filed April 30, 2019, the entire contents of which are expressly incorporated herein by reference. technical field [0003] The aspects described herein relate generally to computer hardware and software and network security. In particular, one or more aspects of the present disclosure generally relate to computer hardware and software for efficient filtering of packets in transit according to packet filtering rules derived from cyber threat intelligence. Background technique [0004] With the continuous development of the information age, network security is becoming more and more important. Cyber ​​threats / attacks may take many forms (e.g. unauthorized requests or data transmissions, viruses, malware, massive traffic designed to overwhelm resources, etc.). [0005] To counter these types of threats and attacks, various cyber ...

Claims

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Application Information

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IPC IPC(8): H04L9/40H04L47/20H04L47/2483H04L61/4511H04L101/35
CPCH04L63/02H04L63/0236H04L63/0263H04L63/1408H04L63/1458H04L63/1483H04L47/20H04L47/2483H04L61/4511H04L2101/35H04L63/20
Inventor 肖恩·摩尔乔纳森·R·罗杰斯史蒂文·罗杰斯
Owner 向心有限公司
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