Cross-GAP communication method and communication system using same

A communication method and technology of a communication system, applied in transmission systems, network connections, electrical components, etc., can solve the problems of unfixed Socket2 ports, inconvenient equipment configuration and maintenance, etc., and achieve the effect of easy configuration and maintenance and flexible configuration

Inactive Publication Date: 2009-06-03
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the Socket2 port that Gatekeeper C acts as a proxy for Host A is not fixed, and the translation entry configured on Gatekeeper D may not match Socket2, so Gatekeeper C must also statically configure the translation en

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  • Cross-GAP communication method and communication system using same
  • Cross-GAP communication method and communication system using same
  • Cross-GAP communication method and communication system using same

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[0061] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0062] The embodiment of the present invention provides a communication method across gatekeepers, which is applied in a network including a first communication device and a second communication device, the first communication device is located in the first network, and the second communication device is located in the second network, The first network is separated from the external network by the first gatekeeper device, and the second n...

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Abstract

The invention discloses a cross-GAP communication method and a communication system using same, which are applied to a network with a first communication device and a second communication device. The first communication device is positioned in a first network. The second communication device is positioned in a second network. The first network is isolated from the external network via a first GAP device. The second network is isolated from the external network via a second GAP device. By establishing the address-port dynamic transition relationship of traffic stream between the two GAP devices, the linked communication between the two communication devices crossing two GAPs is implemented. The cross-GAP communication works without needing the manual static configuration of the transition tables on the two GAP devices, thereby facilitating the configuration and providing conveniences for configuring and maintaining the GAP equipment.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a communication method and a communication system across network gatekeepers. Background technique [0002] The security isolation gatekeeper is a network security device with dedicated hardware with multiple control functions, which is used to cut off the link layer connection between networks and enable safe and moderate application data exchange between networks. As an isolation device for data exchange, the security isolation gatekeeper is embedded with a virus-killing functional module, which can check the exchanged data for viruses. [0003] Traditional security products can meet the needs of data protection and network security in different ways, but it is impossible to completely solve the problem of secure exchange of information between networks, because various security technologies have their limitations. While the gatekeeper protects the security of the intranet, i...

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Application Information

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IPC IPC(8): H04L12/66H04L29/06H04L29/12
Inventor 苏佳周迪
Owner NEW H3C TECH CO LTD
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