Virtualization technology enables multiple operating systems to run application software on the same computer, which can better manage and use IT resources, thus attracting the attention of IT managers.
However, some IT managers and security researchers have warned enterprises that the technical problems presented after virtualization will make their systems more vulnerable to hacker attacks.
Chad Lorenz C, a technical
Article refers to the port in the logic sense. It is the logical interface connecting a computer to an external network and the first barrier of a computer. By default, many Windows ports are open. when accessing the Internet, network viruses and hackers can connect to your computer through these ports. In order to change your system to a copper wall, we need to remove some important ports, such as port 80 for Web site services, port 21 for FTP servi
With the increasing number of viruses and hackers on the network, many users are seeking for the safest operating system. When talking about this topic, someone will tell you that the Linux operating system is the safest. In fact, this is just relative.News about Linux operating systems often appears in IT industry publications. Many of the news are about its security
Weekly reading Notes Link summary
Information Security system design basics first week study summary http://www.cnblogs.com/lv-20135229/p/4824505.html
Information Security System Design Foundation second week study summary http://www.cnblogs.com/lv-20135229/p/4842179.html
Information
This article first points out the famous open-source email systemQmailIn terms of security, the existing security tools on UNIX systems are used to solve the existing security risks of Qmail, next we introduce a Base91 encoding technology that is more efficient than Base64 encoding to improve the mail encoding. Finally, the high-speed, concise, and secure email
Because UNIX systems often undertake key tasks, they are often the first choice for intruders to attack. Therefore, intrusion detection and system security protection are one of the most important tasks of administrators. So, without the help of other tools, how can we determine the current security of the system? How
availability of Web servers, network administrators can easily deploy various software tools on different operating systems.
IIS security skills
Microsoft's products have always been the target of all attacks. Therefore, IIS servers are especially vulnerable to attacks. After understanding this, the network administrator must prepare to perform a large number of security measures. What I will provide you w
Linux system security and optimization configuration 1. openssh security configuration this section focuses on SSH-related security configuration 1. 1. prohibit the root user from logging on only to normal users, and then switch to the root user using the su command. How to restrict the su command PermitRootLoginno1.2.
I have seen many good articles on linux Optimization on the internet, and I will not repeat these articles here. I just want to talk about these issues from my own experiences.
As a system administrator, I will talk about linux based on server applications. Since linux on a personal computer may not be the same as on a server, security and stability are preferred, therefore, a friend who uses a PC can only
that DOS does not support permission settings. It cannot be said that it does not have permission. As people's security awareness improves, permission settings are born with the release of NTFS.
In Windows NT, users are divided into many groups, with different permissions between groups. Of course, users in a group and users in a group can also have different permissions. Next we will talk about the common user groups in NT.
Administrators. By defaul
lifting hardware).
As a system administrator, I think, first of all, we have to be clear about the idea that any operation on the server, upgrades and modifications to any configuration file or software, must first consider security, not the newer things the better, which is why Linux management feel and Windows different places, Windows first recommended everyone to use its latest version of software and
I. Introduction of SELinuxSELinux (Secure enhanced Linux) security-enhanced Linux is a new Linux security policy mechanism developed by NSA for computer infrastructure security. SELinux allows system administrators to be more flexible in defining security policies.SELinux is
Windows 7 security mode is similar to Windows XP. Method 1: Press F8 before the Windows system is started. Method 2: press CTRL when the computer is started. You can select "SafeMode" as the menu for starting multiple system operations ".
1. Delete stubborn files
When some files are deleted in normal Windows mode or the recycle bin is cleared, the
The security of the operating system is undoubtedly the most attention, although the stability of Windows 2003 performance by more and more users of the favor, but in the face of emerging new viruses, enhance security is still a priority. Usually, we only need some minor changes to make the system
1. run the "Regedit" command to start the Registry Editor, configure security items in the Windows registry (1), disable the Windows Remote Registry Service, and run the "Start-> Run" command in the taskbar ", enter Regedit to enter the Registry Editor. Locate the "RemoteRegistry" item under HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services in the registry .) Right-click "RemoteRegistry" and select
Abstract: The Access Control Model for traditional UNIX systems is very simple-for common users, Super Users. In this model, a process or account has either very small permissions or all system permissions. Obviously, this is of no benefit to system security. Starting from the Linux-2.1 kernel, the concept of capacity is introduced to achieve more fine-grained ac
Hackers intrude into and steal their own private documents, lurking in the computer, hacking Trojans steal their QQ, and various viruses start by themselves. I believe everyone has encountered the above harassment. However, most of my friends only remember to block system security vulnerabilities after being recruited. Why is it necessary to provide appropriate protection? Preparing for the rain is the best
CentOS system simple security reinforcement Solution
When talking about the management and security of linux accounts, the two files/etc/passwd/etc/shadow must be involved.Here, the content of the two files is analyzed in text instructions, and some practical security reinforcement solutions are provided.Note: This art
Your computer is connected to a domain and "home security" may not be available. Contact your system administrator. "Home security" can help you limit the time your children use your computer and limit the sites, apps, and games they can access. To set up home security, you need to use an administrator account. Before
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.
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