Unix SystemIn, some programs use the systemRootProcess running. These programs do not always have suid permission, because many of them only run by the root, the system administrator needs to know what these programs are doing and what other programs these programs will run.
(1) Start the system
When some unix systems (such as sco unix/xenix) are started, they are run in a way called a single user. In this
LIDS (Linux Intrusion Detection System) is a Linux kernel patch and System Administrator tool (lidsadm) that enhances the Linus kernel. It implements a security mode in the kernel-reference mode and the Mandatory Access Control command in the kernel enters the Control mode. This article describes the functions of LIDS and how to use it to build a Secure Linux
I. Web Server Security
PHP is actually a module function of the Web server. Therefore, you must first ensure the security of the Web server. Of course, to ensure the security of Web servers, you must first ensure the system security. This is a long way to go and is endless.
I have seen a lot of problems on the Internet.LinuxI will not repeat these articles in terms of optimization. I just want to talk about these issues from my own experiences.
As a system administratorServerLinux is an application. Because Linux on a PC may not be the same as on a server, security and stability are preferred. Therefore, if you are using a PC, just make a reference.
The systems mentioned in th
Group PolicyThe Registry is self-contained in windows. Using group policies can easily modify the registry, which is far more convenient and secure than manually modifying the registry. In addition, group policies are crucial to maintaining system security. The following describes the application of group policies in system s
The security of database system depends on the database management system to a great extent. If the security mechanism of database management system is very strong, the security of database sy
Article Title: Linux System Security. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Linux System Security lecture
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. BIOS Security sets the first boot device as the hard disk of the current system other devices (optical discs, USB flash drives, and networks) the boot system sets the security level to setup, and sets the administrator password. 2. Disable Ctrl + Alt + delete to restart the machine command to modify the/etc/inittab f
This article uses a database scanning system obtained from a database security manufacturer. The version is not up-to-date, but it may represent the product design ideas and technical strength in related fields.
In the initial stage of database scanning, the scope of evaluation is generally confirmed, and this product is no exception. There are two ways to add a task: one is to directly enter the database d
Cards allow you to create your own file system in the available space. Supports multi-level directory structure. Files in the same-layer directory cannot have the same ID (identifier ).
Data elements in a data file are stored in record or binary format. The file structure and reference mode are determined by the purpose of the file. In addition to directory files, the content and layout of data files are described in section 6th of the Social
1. LILO Security Settings
Vi/etc/lilo. conf. anaconda // modify the LILO file ==================================== ==================
......
Restricted // join this line
Password = 111111 // Add this line and set the password to 111111
......
========================================================== ==========
Chmod 600/etc/lilo. conf. anaconda // set as ROOT permission to read
/Sbin/lilo-v // update the system
I visited many forums and joined many QQ groups. I found many friends always like to talk about intrusion, attacks, and other topics. Haha ...... I just want to ask these friends-is your computer safe? Are you safe (really doubtful )?
Friend! You can't do anything without a secure environment !!
Computer security has always been the most important issue and a concern of computer enthusiasts. It is a big topic that involves all aspects of the computer.
delete system log files, but this is generally done by novice hackers. Real senior hackers always use the log modification method to prevent system administrators from tracking themselves, there are many programs dedicated to such features on the network, such as Zap and Wipe.Iii. Introduction to Windows series log systems1. Windows 98 log filesBecause the vast majority of users still use Windows 98 as the
Nowadays, many computer users have switched their operating systems to the latest WINXP system, but even the latest Windows system still has many security risks, so how can we ensure the security of your system?Next let's take a look at the Windows family's
The previous article (Apple Mac OS X system security rating (1) mainly introduced the Overview of the security rating and the current situation of the MAC system. Let's take a look at the internal situation of its security system.
Solaris System Security reinforcement list ps: as many Solaris Security reinforcement lists are old, the Solaris System reinforcement list summarized in the following documents and practices will inevitably affect the service) and errors and deficiencies, I hope you will not hesitate to enlighten me that it was a Word
The purpose of this article is to summarize some things and solve the main problems encountered when attempting to construct a Vulnerability Database, that is, how to classify computer network vulnerabilities. Some of the ideas in this article are not mature, and some are not even satisfied with themselves, so as to communicate with colleagues who have in-depth research in this area and improve the work together.
A computer network security vulnerabil
the user IP address and ensuring the security of the user's Internet access. There are many websites that provide free proxy servers. You can also search for them using tools such as proxy hunters.
3. disable unnecessary ports
Hackers often scan your computer ports during intrusion. If a port monitoring program (such as Netwatch) is installed, the monitoring program will receive a warning. In the event of such intrusion, the tool software can be used
[System Overview]
Firewall as the basic equipment of network security system, its function is to cut off the communication backbone of the controlled network, and to handle the security of any communication through the controlled trunk line. At present, there are several types of firewall, such as packet filtering, ap
Article Title: ensures system security by monitoring processes running in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories by using a comprehensive user-level top, ps and other system
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