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Relay device and relay processing method

A technology of a processing device and an information processing device, which is applied in the field of relay processing devices, and can solve problems such as loopholes, inability to apply communication content inspection and access control, and inability to check communication content, etc.

Active Publication Date: 2013-11-27
CANON IT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above-mentioned relay processing system for managing security, only the encrypted data can be tunneled (through) for processing, so it is impossible to check the communication content, and it is impossible to check and control what kind of Application protocol connections, what information is sent, and what information is downloaded
[0007] Therefore, if detailed inspection and access control of communication contents cannot be applied to network security systems (relay processing systems, etc.) that enhance security as a defense wall in the boundary area inside and outside the organization, it will cause a loophole

Method used

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  • Relay device and relay processing method
  • Relay device and relay processing method
  • Relay device and relay processing method

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no. 1 Embodiment approach

[0053] (system structure and management table)

[0054] figure 1 It is a figure which shows the structure of the relay processing system in embodiment of this invention.

[0055] In addition, in figure 1 The configuration of various terminals and various devices connected to the network is an example, and of course there are various configuration examples depending on the use and purpose.

[0056] The relay processing system includes a user terminal 110 , a relay processing device 120 , and an information provision processing device 150 . The user terminal 110 and the relay processing device 120, and the relay processing device 120 and the information provision processing device 150 are communicably connected to each other via a network.

[0057] The user terminal 110 is an application example of the client terminal of the present invention. In addition, the relay processing device 120 is an application example of the relay processing device of the present invention. In a...

no. 2 Embodiment approach

[0471] In the first embodiment, in HTTPS (HTTP over SSL (including TLS)) communication, the user terminal 110 is connected to the relay processing device 120 (proxy server) by the CONNECT method, and the information provision processing device 150 ( A structure in which the communication of a Web server) is tunnelled, a method of decrypting encrypted communication information to create additional functions, and a method of effectively functioning entity authentication even in this case are described. However, since the relay protocol realized based on the CONNECT method is not limited to a general-purpose transmission communication tunneling method of HTTP communication, even if for example using IMAP overSSL (including TLS), POP3over SSL (including TLS), and SMTP over SSL (including TLS) and other SSL (including TLS) communication protocols can also be applied with the same structure.

[0472] For example, when applied to IMAP over SSL (including TLS), the browsing processing...

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Abstract

The invention provides a relay device and a relay processing method. When the encrypted communication data is relayed, the data is checked and the validity of the communication party is confirmed according to legitimate certificates. A relay processing method provided for relaying the communication data between a client terminal and an information processing device is characterized by comprising a first establishment part, a second establishment part and a transmitting part. A first SSL communication is established with the client terminal by the first establishment part. A second SSL communication is established with the information processing device by the second establishment part. The public key certificate of the information processing device is obtained from the information processing device and sent to the client terminal by the transmitting part.

Description

technical field [0001] The present invention relates to a relay processing device and a relay processing method, and particularly relates to a technique for checking the data and confirming the legitimacy of a communication partner based on a valid certificate when relaying data based on encrypted communication. Background technique [0002] In recent years, as information exchange via the Internet has become more active, information such as harm caused by viruses / malicious codes, loss of social credibility due to leakage of information such as customer information and business secrets in companies, etc., and monetary losses due to compensation claims, etc. Security-related issues are getting deeper and deeper. [0003] Such problems are generally solved by software including firewalls and antivirus software, and information processing devices. [0004] In particular, in Web communications, which account for most of the use of the Internet, organizations such as enterprises...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
Inventor 田中泰洋
Owner CANON IT SOLUTIONS INC
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