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Method for preventing files from being tampered and lost in linux operating system

An operating system and tampered technology, applied in the field of linux operating system, can solve the problems of software recovery that cannot be tampered with, files that cannot be recovered, and data recovery that cannot be performed, so as to reduce the success rate and prevent file loss.

Inactive Publication Date: 2019-11-05
SUZHOU WANDIANZHANG NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the case where the operating system commands are all deleted, data recovery cannot be performed
And the files are all on the local hard disk, once the local hard disk is overwritten, the files cannot be restored
These software can only restore deleted files, but cannot restore tampered software

Method used

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  • Method for preventing files from being tampered and lost in linux operating system

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0025] A method for preventing files from being tampered with and lost by a linux operating system, comprising: adding a security group to a cloud server and restricting the ip address of a remote access device;

[0026] Modify the remote connection ssh port;

[0027] Modify the sshd configuration file of linux to prohibit the root user from directly connecting to the system remotely;

[0028] For important folders and their sub-files, set the hidden attribute to protect the directory from being modified;

[0029] Run this deletion-prevention program on the protected server;

[0030] For the remaining unprotected files, build a file center server for storing deleted files. This ...

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PUM

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Abstract

The invention discloses a method for preventing files from being tampered and lost in a linux operating system. The method for preventing the file from being tampered and lost for the linux operatingsystem comprises the steps that a cloud server adds a security group to limit an ip address of remote access equipment; modifying a remote connection ssh port; modifying an sshd configuration file ofthe linux, and prohibiting a root user from directly and remotely connecting the system; for important folders and sub-files thereof, setting hidden attributes to protect directories from being modified. The method has the beneficial effect that the success rate of attacking the linux system adopting the cloud server can be effectively reduced through the steps in the invention. Files deleted by the hacker or deleted by mistake can be automatically recovered. Files are stored in the file center server, so that the risk of file loss caused by hardware damage of the local server can be prevented.

Description

technical field [0001] The invention relates to the field of linux operating systems, in particular to a method for preventing files from being tampered and lost by the linux operating system. Background technique [0002] Currently commonly used Linux file recovery software such as extundelete, foremost, etc., when recovering files, will analyze the inode information of the file system to obtain the information of all files in the current file system, including existing and deleted files. name and inode. Then use the inode information combined with the log to query the block position of the local hard disk where the inode is located, including direct block, indirect block and other information, so as to restore the data file. [0003] The traditional technology has the following technical problems: [0004] After the Linux files are deleted, the software currently on the market is running when the system can use commands normally. Data recovery. For the case where the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/64G06F11/14G06F3/06
CPCG06F3/0619G06F3/0643G06F3/0652G06F3/0676G06F11/1458G06F21/64
Inventor 周圣强曹旭皓黄岗
Owner SUZHOU WANDIANZHANG NETWORK TECH CO LTD
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