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Trusted separate gateway

An isolated gateway and trusted technology, applied in the gateway field, can solve the problem that the security protection capability of gateway equipment and network forwarding performance cannot be taken into account at the same time

Active Publication Date: 2012-04-18
706 INST SECOND RES INST OF CHINAAEROSPACE SCI & IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a trusted isolation gateway, which solves the problem that the security protection capability of the current gateway equipment and the network forwarding performance cannot be taken into account at the same time

Method used

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  • Trusted separate gateway
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Examples

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Embodiment Construction

[0026] A trusted isolation gateway, comprising: external network mainboard 1, internal network mainboard 2, network interface module A4, network interface module B8 and safety isolation card 3, also includes: multi-core network processor A5, multi-core network processor B9, start guide module A6, start guide module B10, safety control module A7, safety control module B11, internal network protocol processing board 13 and external network protocol processing board 12. Wherein, the composition of security control module A7 and security control module B11 is the same, including: packet classification unit 22, access control unit 15, protocol proxy unit 16, content detection unit 21, anti-network attack unit 14, anti-virus unit 17, Letter access unit 20, file transfer unit 18 and security audit unit 19. Wherein, the data packet classification unit 22 is used to classify the data packets, the access control unit 15 is used to control the forwarding of the data packets, the protocol...

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Abstract

The invention discloses a trusted separate gateway comprising an extranet mainboard (1), a network interface module A (4) and a security separate card (3) and also comprising a multi-core network processor A (5), an enablement guide module A (6), a security control module A (7), an intranet protocol processing board (13) and an extranet protocol processing board (12), wherein the network interface module A (4), the multi-core network processor A (5), the enablement guide module A (6) and the security control module A (7) are respectively connected with the extranet mainboard (1). After the trusted separate gateway is enabled, the enablement guide module A (6) calls the multi-core network processor A (5) to load the security control module A (7), and an enablement guide module B (10) calls a multi-core network processor B (9) to load a security control module B (11) to enter the working state. The invention gives consideration to the security protection capacity and the network forwarding speed.

Description

technical field [0001] The invention relates to a gateway, in particular to a trusted isolation gateway. Background technique [0002] A gateway is an important network security device. At present, common gateway devices at home and abroad include firewalls, unified threat management systems, and anti-virus gateways. These gateway devices all adopt a single-host structure, which is composed of a mainboard and a network interface card. Based on the TCP / IP protocol, the network data packet header and load are matched and filtered for access control. However, these gateway devices have the following deficiencies: the access control method based on data packet filtering is weak in protection; it cannot defend against network attacks based on the TCP / IP protocol; it cannot prevent important information from leaking through the network; the device itself has loopholes, which may become Springboard for attackers. Due to the above-mentioned deficiencies, another network security d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L29/06
Inventor 张继业郭旭东郭丽娜刘向东袁玉峰
Owner 706 INST SECOND RES INST OF CHINAAEROSPACE SCI & IND
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