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Method for direct access to target server through proxy server

A proxy server and target server technology, applied in the field of direct access to target servers through proxy servers, can solve the problems of increasing server operation and maintenance workload, increasing security, etc.

Inactive Publication Date: 2017-03-22
深圳市掌世界网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] However, the use of proxy servers increases the workload of server operation and maintenance while increasing security.

Method used

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  • Method for direct access to target server through proxy server

Examples

Experimental program
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Embodiment 1

[0020] Embodiment 1, this embodiment discloses a method for directly accessing a target server through a proxy server, including the following steps:

[0021] 1. The end user forwards the destination address to the matched proxy server through the layer-3 switch of the local network;

[0022] The layer-3 switch of the local network forwards the end-user data packets, mainly the data packets requesting access, to the corresponding network port according to the "firewall rules", and the network port establishes a communication tunnel with the corresponding proxy server.

[0023] Here, there is a global proxy server in the local network, which is responsible for forwarding various data packets of end users, including data packets of different protocols such as HTTP, SOCKET, SSH, RSTP, etc., and data of different ports. The data packets are forwarded to the corresponding proxy server according to the "firewall" rules.

[0024] All the communication protocols here adopt the TCP / IP...

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Abstract

The invention provides a method for direct access to a target server through a proxy server. The method comprises the following steps: a terminal user forwards a destination address of the target server to be accessed to the matched proxy server through a three-layer switch in a local network; the proxy server forwards requested data to the corresponding remote target server through the SSH tunneling protocol; the remote target server forwards processing result data to the proxy server through the SSH tunneling protocol; and the proxy server forwards results returned by the remote target server to the terminal user. Through the method provided by the invention, the terminal user can directly access all resources on the remote server in the same way as the terminal user accesses an internal local area network.

Description

technical field [0001] The invention relates to a method for directly accessing a target server through a proxy server, in particular, a method based on the SSH protocol and firewall technology. Background technique [0002] In the Internet era, some networks are closed based on security considerations, and servers can only be managed remotely through specific methods. Proxy servers are mostly used to connect INTERNET (Internet) and Local Area Network (local area network). [0003] The proxy server (Proxy Server) is an important server security function, and its work is mainly in the session layer of the Open Systems Interconnection (OSI) model, thereby playing the role of a firewall. [0004] The function of the proxy server is to act as an agent for network users to obtain network information. It is an important security function provided by the Internet link-level gateway. The main functions are: [0005] Proxy servers are mostly used to connect to INTERNET (internet) a...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06
CPCH04L67/2866H04L63/0281H04L63/168H04L67/141
Inventor 武迪
Owner 深圳市掌世界网络科技有限公司
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