Cloud Security

FTP is an old character in Internet applications, which facilitates file sharing among enterprise users. However, the security issue has always been around FTP. How to prevent attackers from stealing important information on the FTP server through

We may often encounter DNS connection errors, but the number of times of DNS errors due to behind-the-scenes attacks increases gradually. In this discussion, you will find that the discussion of some common problems of DNS services has become a

You must know that you need to test the security of the Windows environment, but do you know how to proceed? Some people claim that security auditing is the only way to test Windows security. Others chose vulnerability scanning. Some people say

ARP attackARP spoofing is achieved by forging IP addresses and MAC addresses, which can generate a large amount of ARP traffic in the network to block the network, attackers can change the IP-MAC entries in the ARP cache of the target host as long

Linux network security tips-alias file aliases Edit the alias file/etc/aliases or/etc/mail/aliases) and remove/comment the following line. # Basic system aliases -- these MUST be present.     MAILER-DAEMON: postmaster    

LinuxThe network server management tools are described as follows: Use record tools to record access to Linux systems Linux administrators can use the Recording files and recording tools described earlier to record events. They can view or scan

Firewall and anti-virus software must be installed for Windows Security No matter how powerful you are, these two types of software still need to be installed. Although newVirusAnti-virus software will become helpless, so it is better to find a

Enhanced overall network security Many network administrators often have such misunderstandings in maintaining network security.ServerInstall patches on a single machine, install protective walls, and regularly upgrade the operating system. In fact,

Linux system optimization is as follows: Speaking of optimization, the best optimization is to improve the hardware configuration, such as improving the cpu computing capability and memory capacity. I personally think that if you want to upgrade the

"User Account Control" security function in Windows 7 User Account Control (UAC) is a new security feature introduced in Windows Vista. It helps prevent harmful programs from making changes to computers and can be used to prevent hacker or malware

Server maintenance is crucial. A slight loss will paralyze the entire network. Currently, malicious network attacks include: 1. Malicious attacks, such as denial of service attacks and network viruses, which consume a large amount of server

Windows 2000 ServerThe operation is simple and easy to manage. However, Microsoft is also facing criticism and complaints about the security of its products. Is the security of Windows 2000 Server so poor? No! In the end, the key to security lies in

Nagios Configuration 1: configure the web interface Suppose you have run apache. If not, see: Http: // localhost/upload/blog. php? Do-showone-tid-18.html Vi/usr/local/apache2/conf/httpd. conf Add the following content:

NagiosHow to modify Apache? Install the Apache service first. After the installation is complete, modify the apache configuration file, add the nagios directory, and access this directory requires authentication. (Note: If you do not need to set

A few days ago, it was reported that the secure startup feature of Windows 8 had been cracked by Peter Kleissner's "bootkit" program, but Peter said in an interview with Softpedia recently, the bootkit named "Stoned Lite" is designed for outdated

With the prevalence of open-source Linux, its applications in large and medium-sized enterprises are gradually becoming more popular. Many enterprise application services are built on it, such as Web services, database services, and cluster services.

Another attraction of OSSEC is the active-response, which can automatically process rules. However, it is best to use this function with caution. Otherwise, it would be very serious if something should not be killed. Therefore, it is a good choice

Modify the user password's Validity Period Mechanism The effective mechanism of User Password modification can effectively prevent users from automatically failing their accounts after they leave their jobs for a period of time. Even if the

How does the SQL Server Store passwords? The SQL Server uses an undisclosed function pwdencrypt () to generate a hash for the user password. Through research, we can find that this hash is stored in the sysxlogins table of the mater database. This

EFS uses an encryption key to encrypt data. The encryption key is bound with the certificate. In Windows Vista, after the files/folders on the computer are encrypted for the first time, Windows Vista automatically generates an EFS certificate for