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Internet accessing server for inside and outside network isolation and its processing method

A technology for accessing servers and network isolation, which is applied in the field of Internet access servers and its processing for internal and external network isolation, and can solve the problems of inconvenient use and cost

Active Publication Date: 2007-12-05
SHANGHAI DALONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] But above-mentioned two kinds of methods all bring a lot of extra use cost and inconvenience for the user's use
However, the logical method has the diversity of internet connections, and it is difficult to achieve complete logical isolation.

Method used

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  • Internet accessing server for inside and outside network isolation and its processing method
  • Internet accessing server for inside and outside network isolation and its processing method
  • Internet accessing server for inside and outside network isolation and its processing method

Examples

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Embodiment Construction

[0060] The basic idea of ​​the present invention is to realize convenient access to the internet in the organization, and to fully guarantee the network security in the organization through isolation and special transmission methods.

[0061] The present invention first needs to transform the network structure. Based on the existing typical network structure shown in Figure 1, the present invention separates the intranet composed of several user computers (clients) from the Internet, so that the clients The client cannot directly or indirectly (through proxy and other methods) access internet resources.

[0062] As shown in FIG. 2, the present invention sets up an Internet access server 6 between the Internet 5 and the user computer 1. The client is separated from the internet. Only the Internet access server can really access the internet through the router and firewall. The client can only access the internet through the Internet access server graphic terminal.

[0063] 1) Inter...

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Abstract

The invention relates to internet accessing server and its processing method used in inside and outside network isolating. The server is used to separate the user computer with the internet. The common computer server body includes graphic terminal service module, graphic terminal network transmission module, inside network transmission control module, file transmission control module, system configuration and user management module, internet accessing transmission module. The invention uses special accessing type and transmission control to realize inside outside internet separation and safety. It not only can protect inside internet data, but also can supply outside internet inquiring and connection.

Description

Technical field [0001] The present invention relates to computer network security technology, and is particularly suitable for realizing the isolation of internal and external networks in a local area network. That is, the internal network is a network that contains confidential documents and data in the internal network, and the external network is a network that can be connected to the internet and is isolated At the same time, the convenient use of the Internet is realized. Specifically, the present invention relates to an Internet access server used for internal and external network isolation and a processing method thereof. Background technique [0002] The most common way for existing companies and organizations’ network architecture is to build their own LAN internally, and then connect their own LAN to the external Internet through a firewall or NAT (Internal Network Address Translation Protocol), so that the internal computer is The Internet is accessed through the firew...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L12/46
CPCH04L63/0227
Inventor 朱琳倪海生
Owner SHANGHAI DALONG TECH CO LTD
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