There is no absolutely secure system in the world. even a stable Linux system is widely considered to have shortcomings in terms of management and security. We expect the system to work at minimum risk, which requires enhanced management of system
Troubleshoot WINDOWS7 system programs that cannot be installed or run because of system security:
A, when you first double-click the "setup.exe" file that runs a program, the mouse pointer disappears after "a few turns".
b, then, run the program in a compatible way, but the software still doesn't respond, and when he right-clicks the program's properties, at th
Theory of Proactive Defense System of lateral view
Lateral view Intranet Security ManagementThe system focuses on Actively controlling risks rather than Passively responding to events, improving the effectiveness and manageability of the entire information security system. W
There is no absolutely secure system in the world. Even a stable Linux system is widely considered to have shortcomings in terms of management and security. We expect the system to work at minimum risk, which requires enhanced management of system
Linux supports a wide variety of file systems. They provide a good operation and user interface for data storage and management. In a file system, security mechanisms and problems such as file/directory access permission management and control, and encrypted file systems need to be considered, this article describes in detail the technologies and methods to ensure the s
The security of Unix operating systems is well known. However, if you want to say where the Unix system is secure, it is estimated that no one can say why.
1. Different users have different permissions for the same command.
The Date command is a common command in Unix systems. It displays the Date and time of the system. However, different user roles have differe
A relatively safe Internet server, as an open-source operating system, once a security vulnerability is found in the Linux system, volunteers from around the world on the Internet will actively fix it. However, system administrators often cannot obtain and correct information in a timely manner, which gives hackers an
Open source is a hot topic for recent people. What impact will this have on information security? Which is more secure than open source and closed source? The author of this article made it clear that open source will improve information security.
In recent years, with open source software such as Linux and Apache more and more people's attention and love, the open source movement has caused a worldwide st
Security mode design for electronic platforms1. PrefaceDue to the sensitivity of the office information of the electronic platform and the virtual and open nature of the network, it determines that the electronic platform system requires strong user access security, network security,
Network security means that the hardware, software, and data in the network system are protected from accidental or malicious damages, changes, leaks, and continuous, reliable, and normal operation of the system, the network service is not interrupted. Network security is essentially network information
occurSecond, security management1, which technology to achieve the confidentiality of information;(1) Network security protocol(2) Network authentication Service(3) Data encryption service2, which technology to achieve the integrity of information;(1) Non-repudiation of message source(2) Firewall system(3) Communication secu
occurSecond, security management1, which technology to achieve the confidentiality of information;(1) Network security protocol(2) Network authentication Service(3) Data encryption service2, which technology to achieve the integrity of information;(1) Non-repudiation of message source(2) Firewall system(3) Communication secu
Thanks to the excellent network functions of the Linux operating system, most website servers on the Internet use Linux as the main operating system. However, because the operating system is a multi-user operating system, Hackers often choose Linux as the first target to attack in order to hide themselves in the attack
With the popularization of Enterprise Networks and the openness, sharing, and interconnection of networks, network information security issues have become more and more important. Enterprises must adopt unified security policies to ensure network security. A complete security technology and product includes identity au
CentOS File System Security
1. Lock important system files
System O M personnel may sometimes encounter situations where the root user cannot modify or delete a file. Most of the reasons may be that the file is locked. In Linux, the command for locking a file is chattr. You can use this command to modify the file attr
Linux has many advantages in terms of functionality, price, and performance. However, as an open operating system, it inevitably has some security risks. This article will tell you how to solve these hidden dangers and provide a secure operation platform for applications. It is also the most basic, common, and effective method.Linux is a Unix-like operating system
,nodiratime 0 0 The file will no longer have write-disk I/O when it is accessed.
First, the system security record file
The record file inside the operating system is an important clue to detect whether there is a network intrusion. If your system is connected directly to the Internet, you find that there are a lot o
For all types of operating systems, basic security protection is usually similar. Of course, each operating system platform also has its own characteristics. The advice provided in this article is for the Microsoft Windows XP operating system.
1. Disable functions that may cause danger.
The Microsoft Windows operating system
1. Upgrade to new windows
For users who use Windows XP, upgrading to the Windows 7 operating system can improve security, and Windows 7 has a lot of security that Windows XP does not have to do to keep the operating system running safely.
2. Update operating system Patche
By using user-level top, ps, and other system tools and Linux kernel protection technologies, we can comprehensively protect the security of important system processes and user processes in Linux systems from the user/kernel levels. The Bell-LaPadula model of the classic information confidentiality security model point
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