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How to enhance the security of Linux system, Part one: Introduction to the Linux Security Module (LSM)

HTTP://WWW.IBM.COM/DEVELOPERWORKS/CN/LINUX/L-LSM/PART1/1. Related background: Why and whatIn recent years, Linux system has been widely concerned and applied by computer industry because of its excellent performance and stability, the flexibility and expansibility of open Source feature, and the lower cost. But in terms of security, the Linux kernel only provides classic UNIX autonomic access control (root, user ID, mode bit

Protect system security with local security policy _windowsxp

The local security policy with Windows XP systems is a good system security management tool that can make our system more secure. First, let's say how to start the local security policy. When you click Control Panel Administrative Tools Local Security policy, you enter the main interface of the local

Physical security Guarantee of enterprise information security

The physical layer of enterprise is confronted with the threat to the physical equipment of computer network and computer system, which is mainly manifested in natural disasters, electromagnetic radiation and bad working environment. The corresponding preventive measures include anti-jamming system, physical isolation, radiation protection system, stealth system, strengthening system, data backup and recovery. In many technologies, physical isolation and data backup and recovery is the most crit

ACM (access control model), Security Identifiers (SID), security descriptors (secure descriptor), ACL (Access control list), Access Tokens (access token) "Reprint"

The words in Windows core programming cannot dispel the doubts in the mind. Let the explanation on MSDN give us a lamp. If you want to introduce it in detail, or go to MSDN for a closer look, I'm simply describing it in an easy-to-understand language. Windows Security access Control (acm,access control mode) is made up of two parts. One is the access token (access tokens) and the other is the security descr

Cisco2960 Switch Port Security port-security

The first two days of the engine room a Cisco2960 of the port often down, at that time let the engine room restart switch also useless, later let change a mouth on the recovery, but over a period of time the port will be down, on-line check may be due to the port-security of the Cisco switch caused the port down, Later to the computer room connected to the switch to view the next, G17 Port display err-disabled, in order to confirm the reason is port-

Using open source security technology to create open source email Security Gateway

Simple three steps to solve the enterprise spam problem In the United States, open source technology has infiltrated many enterprises, for IT staff, the impact of open source has been expanding. But in China, corporate users ' awareness of open source remains largely Linux. Open source Email Security Gateway, open source intrusion detection, open source vulnerability analysis, open source VPN These emerging technologies have greatly stimulated the ne

View database security from security attack instance

The Art of War Yue: Tse, Baizhanbudai. The confrontation between work and defense is the subject of information security, and understanding security attacks can better protect the security. This paper investigates the network information security attack, through understanding the path of hacker attack and technical mea

Stored procedure causes serious security backdoor--A case analysis of SQL injection security event of a certain e-commerce

March Women's Day, the e-commerce industry set up their own festivals, really let love shopping women crazy. Silently hiding behind the screen of the Black Hand, this time is also a busy time. Afterwards, I was fortunate to be invited to participate in a company hacker intrusion e-commerce ERP system security incident assessment analysis. Hackers take the means and the reason behind the analysis, hidden to customer information, share to everyone, warn

Oracle Information Security Management framework helps enterprises to achieve "from the inside Out" of the overall security ____oracle

Oracle Information Security management architecture revolves around Oracle's strategy to help users "securely store information, secure access to information," including the following three levels: Ensure the security of application level. The greatest challenge to application security comes from "access control." Early stand-alone applications use fragmented

QQ Secret security problem How to change QQ secret security Problem changing method

QQ software users to the detailed analysis of the sharing of the QQ secret security issues to change the method. Method Sharing: Step one: Modify the QQ secret security we can first enter their own QQ safety center. See if there are any other secret tools you can use. After all, complaint QQ is not so easy! Enter the Security Center we can click on the

Fifth SQL Server security architecture and security

Label:This article is the fifth of the SQL Server Security series, please refer to the original text for more information. A schema is essentially a database object, a container for other objects that can easily manage groups of objects in a complex database. The architecture has important security features. In this article you will learn how to give principals access to a set of objects by assignin

QQ How to replace the secret security phone QQ change secret security mobile phone tutorial Detailed

Users of QQ software to the detailed analysis of the sharing of QQ mobile phone secret security tutorial. Tutorial Sharing: Step one: If the secret security of mobile phones, mobile phone token, secret security problems in any one of the available, you can first log into the QQ Safety Center, select "Secret Insurance tools." Step two: Select "Se

Alipay bank card What is the security risk? The bank card security Insurance handling method

Alipay Bank card security Insurance is what From Alipay account security to bank card account security Alipay Online bank card security risks, as the name implies, the protection of the Bank of the payment scene in the loss of funds, mainly contains three categories: the first type is the bank card online under the

How does personal cloud security guarantee data security?

Cloud service brings great convenience to people's life and work, but it also brings the information security problem. icloud is a typical representative of cloud services, providing photos, video synchronization, and the user can share synchronized data across multiple platforms. For example, when traveling, mobile phone photos, you can use the home printer output pictures, family can be in the computer, tablet computer, TV sync to watch photos, play

Web site security system and server security management

Windows server, FreeBSD are two common types of servers. The first is Microsoft's products, convenient and easy to use, but you have to constantly patch it. FreeBSD is an elegant operating system that is moved by its simplicity of the kernel and its superior performance. With regard to the security of these operating systems, you can write a book for each of them. I'm not going to describe them in detail here, just some system initialization

Three measures to guarantee the security of website and set up database security

Database, the foundation of the website operation, the elements of the website survival, both individual users and enterprise users are very dependent on the support of the website database, however, many of the attackers who have ulterior motives also "value" the website database. Database, the foundation of the website operation, the elements of the website survival, both individual users and enterprise users are very dependent on the support of the website database, however, many of the attac

Ten IT security policies reduce security risk

The threat posed by company insiders to the company's security is serious today. Recent reports indicate that the damage to the company by insiders has risen from 80% to 86% in all hazards, and more than half of the employees ' terminals have occurred. There is no doubt that internal employees who have access to the corporate system are most likely to be misled into fraudulent or dangerous links. In all employees, IT staff has the most access rights.

Application techniques and methods of encrypting and decrypting system security-network security

Computers are playing an increasingly important role in our work and life since we entered the era of information and networking. More and more users use computers to get information, process information, and keep their most important information in the form of data files in the computer. Some people describe the network as the most free world, where you can give full play to your imagination, to create a completely your own small universe, but if our network lacks the minimum

"Notes" Defense-Enterprise Linux Security: Enterprise Linux Security System Protection-(not finished)

Enterprise Linux security System protection is divided into four steps:1, file system security maintenance;2, process security protection;3, user security management;4, log security statistics;1. File system security:Setgit and setuid have raised the user rights and need to

PHP Security: Rekindle your PHP security fire

The topic of scripting security seems to last forever, and if you often go to a variety of bugtraq abroad, you will find that more than half of them are related to scripts, such as SQL Injection,xss,path disclosure,remote commands Execution such words abound, we looked after the use is only to catch chickens? For those of us who want to do web security, it is best to learn, but the root of all things, we do

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