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Method and equipment in use for communication connection of redirecting network

A communication connection and network communication technology, applied in the field of redirecting network communication connections, can solve the problems of inability to monitor the internal network IP address, inability to determine the activity of the communication connection, monitoring the activity of the internal network IP address, etc.

Inactive Publication Date: 2009-03-11
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this method is that it cannot monitor which internal network IP addresses are active and which are inactive, and it cannot dynamically determine whether to redirect a communication connection based on the activity of the IP address
That is to say, in the prior art, there is no method capable of monitoring the activity of the internal network IP address and redirecting the communication connection according to the activity in real time

Method used

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  • Method and equipment in use for communication connection of redirecting network
  • Method and equipment in use for communication connection of redirecting network
  • Method and equipment in use for communication connection of redirecting network

Examples

Experimental program
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Embodiment Construction

[0036] The present invention will be described in detail below in conjunction with preferred embodiments with reference to the accompanying drawings of the present invention.

[0037] Such as figure 1 As shown in , it is a schematic diagram of redirection gateway connecting external network, internal network and receiving system. In this implementation, the redirection gateway adopts a computer system with three network cards, which are respectively connected to the external network, the internal network, and the receiving system.

[0038] Such as figure 2 As shown in , it represents a flow chart of forward processing in the redirection communication connection method.

[0039](1) Since the external network, the internal network, and the receiving system are respectively connected to different network ports of the computer system of the device, this example can judge where the data packet comes from according to the receiving network port of the data packet. In step (1), a...

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PUM

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Abstract

The method has two steps, which comprises: enquiring the table to decide if the data packet meets the requirement of redirection; according to the enquiring result, passing or redirecting data packet. Wherein, the enquired table can instantly shows the currently active IP address such that the invention can redirect a communication link, and can also stop the redirection of the communication link. The device comprise: IP address relay rule module, forward relay module, and backward relay module.

Description

technical field [0001] The invention belongs to the technical field of computer network security, and relates to a method and device for redirecting network communication connections, in particular to a method for redirecting a specific network communication connection to a designated receiving system by monitoring the activity of an internal network IP address and device. Background technique [0002] An internal network connected to the external Internet network (hereinafter referred to as the external network) through a network connection device may occupy multiple Internet IP addresses (hereinafter referred to as IP addresses), and some of these IP addresses may be used by hosts in the internal network, and some of them are not. used. Hosts using these IP addresses may or may not be currently communicating with external network data sources. Usually, the IP address used by the host currently communicating with the external network data source is called the active IP ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/66H04L45/74
Inventor 韩心慧韦韬诸葛建伟邹维叶志远游红宇张行功梁知音
Owner PEKING UNIV