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Cloud-based anomalous traffic detection and protection in a remote network via DNS properties

An anomaly detection and DNS server technology, applied in the field of network systems, can solve problems such as difficult to characterize incoming and outgoing data streams

Active Publication Date: 2020-10-13
AVAST SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, it can be difficult to characterize data flow to and from a remote network, such as a home or office network, since the IP addresses associated with the data flow can change

Method used

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  • Cloud-based anomalous traffic detection and protection in a remote network via DNS properties
  • Cloud-based anomalous traffic detection and protection in a remote network via DNS properties
  • Cloud-based anomalous traffic detection and protection in a remote network via DNS properties

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Embodiment Construction

[0011] In the following detailed description of example embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustrations specific example embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the inventive subject matter, and it is to be understood that other embodiments may be utilized and that logical, mechanical, and other modifications may be made without departing from the scope of the inventive subject matter. , electrical and other changes.

[0012] Some portions of the detailed description that follows are presented in terms of algorithms and symbolic representations of operations on data bits within a computer memory. These algorithmic descriptions and representations are the means used by those skilled in the data processing arts to most effectively convey the substance of their work t...

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Abstract

A central platform remote from a local network can detect anomalies on the local network. The central platform can assign a unique pair of DNS server IP addresses to the local network. The central platform can receive configuration data from the local network and use the configuration data and the assigned pair of DNS server IP addresses to uniquely identify devices on the local network. In the case that current network flow statistics do not match expected network flow statistics for the local network, a device causing the anomalous behavior can be identified using the assigned pair of DNS server IP addresses and configuration data.

Description

technical field [0001] The present disclosure relates generally to network systems, and more particularly, to detecting and protecting devices in a local network from anomalies using Domain Name System (DNS) and cloud-based analysis of other network behavior and / or attributes. Background technique [0002] Providing security for devices on a remote network, such as a home or office network, can be difficult. One reason for this difficulty is that routers that act as gateways between remote networks and Internet Service Providers (ISPs) are typically assigned Internet Protocol (IP) addresses that are dynamic in nature. In other words, the IP address assigned to a particular router on a particular remote network may change over time. As a result, it can be difficult to characterize data flow flowing into and out of a remote network, such as a home or office network, since the IP addresses associated with the data flow can change. Contents of the invention [0003] In one a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12
CPCH04L63/1441H04L61/2514H04L63/1425H04L61/4511G06N20/00H04L67/10H04L63/1416H04L41/046H04L61/5007
Inventor J.阿纳卡塔R.古普塔
Owner AVAST SOFTWARE
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