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With the increasing popularity of networks, security issues have attracted more and more attention. Linux, as a free open-source operating system, is increasingly used as a server platform. With the diversity of application software in Linux, many people (including the author) also like to use Linux as a desktop. In this series of articles, we focus on using Linux to build secure servers. We use
This article introduces the security threats and defense policies of the network system of the electronic file center, hoping to help you. 1. security threats that affect the network system of the electronic file center. Networks, computers, servers, storage devices, system
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
Article Title: familiar with Linux kernel security intrusion detection system. 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. LIDS (Linux Intrusion Detection System) is a Linux ker
. Use Space (SPACEBAR) to page, Enter (enter) scroll down one line, or use j , k (Vim Editor's move key) to scroll backward one line forward. Press the h key to display the use Help (because man uses less as the reader, which is actually less the tool's Help), press q exit.For more detailed help, you can also use info commands, but man it is often enough to use them. If you know the purpose of a command, just want to quickly see some of its specific parameters of the role, then you can use --he
DHCP server also has built-in backup and restore capabilities, and the operation is as simple as that. In the DHCP console window, right-click the "DHCP Server name" option (Figure 2), in the pop-up menu select "Backup", and then in the "Browse folder" dialog box to specify a good backup file to store the path, click the "OK" button to complete the DHCP server data information backup. Once the DHCP data information is corrupted, when you need to recover, right-click the "DHCP Server name" optio
system after the operation of the use of our command to view the history, but only for the logged-on user to perform effective, even if the root user can not get other users histotry history. If the root user wants to view the other user's action records, it can be implemented by adding the following code to the/etc/profile:ps1="' whoami ' @ ' hostname ': '[$PWD] ' Historyuser_ip= ' who-u am I 2>/dev/' s/[()]//g '"" ]ThenUser_ip= ' hostname 'Fiif [!-
With the popularity of Windows XP on personal computers, more and more people are beginning to be inseparable from Windows XP, although Windows XP has powerful stability and reliable security. However, Windows XP has been threatened by attacks due to the vulnerabilities discovered one after another. This article will discuss how to improve the security of the Windows XP operating
SELinux Security System Basics in CentOS This article will record some experiences and experiences of learning SELinux... 1. Introduction to SELinux SELinux (Secure Enhanced Linux) Security Enhancement Linux is a new Linux security policy mechanism developed by the National Securit
Bkjia.com exclusive Article]BKJIA's large series of "Linux learning month" activities jointly held by several websites are coming to an end today. Today, the Linux activity month invited Chen Xiaobing, a third system security expert who visited the chatting room of the banker. Chen Xiaobing:He is currently working in a naval department and serves as a website security
PHP is a widely used open source server scripting language. Through HTTP or HTTPS, ApacheWeb allows users to access files or content. Incorrect configuration of the script language on the server may cause various problems. Therefore, PHP should be used with caution. The following is a security configuration for the system administrator. PHP is a widely used open source server scripting language. Through HTT
Linux is a Unix-like operating system. Theoretically, the design of Unix itself has no major security defects. For many years, the vast majority of security problems found on Unix operating systems mainly exist in individual programs. Therefore, most Unix vendors claim to be able to solve these problems and provide secure Unix operating systems. But Linux is some
Comments: If WINDOWS is not set. vulnerabilities are often prone to violence. very insecure the virus groups on the Internet are becoming increasingly rampant, causing more and more harm to users. Everyone must know how to protect their computers from infringement and protect their privacy from theft. I remember a user asking me some time ago, complaining that I had installed the thunder software after I installed the 360 patch. At this time, I am tired of reminding you that the
Windows security mode is used to troubleshoot and fix faults when an exception occurs in the operating system. In this mode, the system only starts the underlying services, other applications are not started, so you can easily troubleshoot system problems. Windows 7 security
PHP is a widely used open source server scripting language. Through HTTP or HTTPS, ApacheWeb allows users to access files or content. Incorrect configuration of the script language on the server may cause various problems. Therefore, PHP should be used with caution. The following are 25 practices for security configuration of PHP for the system administrator. Sample DocumentRoot:/var/w PHP is a widely used
Article Title: ensures system security by monitoring processes in Linux. 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. By using user-level top, ps, and other system tools and Linu
-a49e-444553540001}/progid] @= "Shell.application_nohack.1" [Hkey_classes_root/clsid/{13709620-c279-11ce-a49e-444553540001}/typelib] @= "{50a7e9b0-70ef-11d1-b75a-00a0c90564fe}" [Hkey_classes_root/clsid/{13709620-c279-11ce-a49e-444553540001}/version] @= "1.1" [Hkey_classes_root/clsid/{13709620-c279-11ce-a49e-444553540001}/versionindependentprogid] @= "Shell.application_nohack" [Hkey_classes_root/shell.application_nohack] @= "Shell Automation Service" [Hkey_classes_root/shell.application_nohack/cl
In this article, I will discuss how to configure a Unix client based on the Network File System and use Kerberos security verification through the rpcsec_gss protocol to connect to a Windows Server under the Network File System. Traditional Network File System clients and servers use
Article Title: ensures system security by monitoring processes running in Linux. 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. By using user-level top, ps, and other system tools
Password:9[Email protected]:~#pwdTen/root * From the example, the Su-command changes to the root user's environment, and the SU command is not, so the Su-(or su-l) command is generally used when switching identities Example 1 allows the user to become the root operating system and wants to run the exit command to leave the root identity. But sometimes we just need to execute a command that requires root, and then restore the original identity when t
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