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List of contents of this article:

• 1,Free sports events uefa champions league app android The worst effect of the means of protection of command execution of vulnerabilities
• 2. What is a security prevention system
• 3, What are the main protective measures for computer system security?
• 4, server security protection software have those
• 5, How to do a good job of security protection for Windows server?
• 6, What are the network security protection technologies

The worst effect among the means of protection for command execution vulnerabilities

The worst effect among the means of protection for command execution vulnerabilities: blacklist Filter. Command execution vulnerability is a common Web security vulnerability. Hackers can use this vulnerability to execute malicious instructions on the victim's server, thus causing serious security threats.

The worst effective protection measures for command execution vulnerabilities are input filtering and verification. Input filtering and verification is a common and important security measure used to check whether the data provided by users or attackers to applications or systems is legitimate.

The worst effective protection measures for command execution vulnerabilities are: at present, the protection measures for command execution vulnerabilities mainly include operating system security configuration, Web application firewall (WAF), intrusion detection system (IDS) and host security protection system, etc.

Command execution vulnerability defense: work that can be solved by scripts, do not call other programs for processing. Use the function that executes the command as little as possible and disable it in the disable functions. For the condition that the controllable point is a program parameter, use the escapeshellcmd function to filter.

The file contains the file parameters contained in the vulnerability that are not filtered or strictly defined. The parameters can be controlled by the user and may contain unexpected files. If there is malicious code in the file, regardless of the suffix type of the file, the malicious code in the file will be parsed and executed, causing the file to contain vulnerabilities.

What is the security prevention system

The full name of the security prevention system is the public safety prevention system, which is to protect the safety of personal property, information and communication security, and achieve the purpose of loss prevention and crime prevention.

Safety prevention system refers to the use of human defense, material defense, technical defense and other technical means, with basic functions such as detection, delay, response, etc., which is used to prevent and stop illegal and criminal acts and major public security incidents, and maintain social security and stability.

The safety prevention system is an electronic system or network composed of security prevention products and other related products for the purpose of maintaining social and public safety. Among them, how is the security prevention system composed? The following is the main content introduction of the composition of the security prevention system brought by Zhongda Consulting for reference.

What are the main protective measures for computer system security?

Measures to protect computer security are: (1) Install anti-virus software. For ordinary users, the first thing to do is to install a set of anti-virus software for the computer, regularly upgrade the installed anti-virus software, and open the real-time monitoring program of the anti-virus software.

Measures for computer network security protectionThe measures are as follows: Strengthen the security awareness of internal network governance personnel and users. Many computer systems often use passwords to control access to system resources, which is one of the easiest and most economical methods in the anti-virus process.

Physical security control. Physical safety control refers to measures taken to ensure the safety of various equipment and environmental facilities in the system. Personnel and management control. It mainly refers to the confirmation and inspection of the user's legal identity. User legal identity check is the most commonly used measure to prevent intentional or unintentional illegal entry into the system. Access control.

Measure 7: Use strong passwords. The author has introduced the method of implementing strong passwords in the Linux system in "Easy Implementation of Strong Passage" in the magazine "Network Manager World". Smipes have always been the most common way to ensure the security of resources, including laptops.

Server security protection software has those

Sophos is another free anti-virus software. Sophos has advanced functions and can also easily run on your Linux system.

And the guardian god. The intrusion protection system, with the security reinforcement they gave, has a very good effect.

Server Security Dog is a comprehensive server tool that integrates server security protection and security management. Support the full series of Windows operating systems (Windows2003/Windows2008/Windows2012 32-bit 64-bit) and the server security protection software of the Linux operating system.

Sogou High-speed Browser is a modern network browsing tool that integrates efficiency and stability. Using advanced rendering engines and optimization algorithms, Sogou high-speed browser ensures excellent page loading speed and smooth multimedia experience.

Tencent Computer Butler, the computer butler can quickly and comprehensively check the risks of computers. The inspection items mainly include Trojan horses, high-risk system vulnerabilities, junk files, system configuration destruction and tampering, etc. After discovering the risk, the repair and optimization operation provided by the computer butler can eliminate the risk and optimize the performance of the computer.

How to do a good job of security protection for Windows server?

1. Update patches in time. Always pay attention to the latest vulnerability patches, and then select the necessary ones to fix them.Some software vulnerabilities also need to be fixed, so as to ensure the security of the server to the greatest extent. If you find it difficult, you can use 360 for selective updates. After installing 360 Security Guard, you can enter the vulnerability repair.

2. Maintain Windows upgrades: You must update all upgrades in a timely manner and patch the system. Consider downloading all updates to a dedicated server on your network and publishing files on the machine in the form of the Web.

3. Patch the server operating system with the latest version, reasonably configure and install commonly used application software (such as firewalls, anti-virus software, databases, etc.), and update the server's software to a safe, stable and compatible version.

4. Install the 2003 system to install IIS when the network is disconnected, and only install the necessary IIS components (disable unnecessary such as FTP and SMTP services).

What are the network security protection technologies

1. Firewall technology Firewall is a kind of network security device Prepared, usually installed at the boundary of the enterprise network.It can monitor network traffic and block insecure network connections according to the rules. Firewalls can filter out some malicious attacks and viruses to ensure the security of the network.

2. The commonly used technologies of computer network security technology are: virus protection technology to prevent the spread of viruses. Install virus filtering software on firewalls, proxy servers, SMTP servers, network servers and groupware servers. Install virus monitoring software on the desktop PC.

3. Firewall Network firewall technology is a special network interconnection device used to strengthen access control between networks, prevent extranet users from illegally entering the intranet through the extranet, access intranet resources, and protect the intranet operating environment.

4. Regularly check the operating system through network security tools, and install the latest system patches and vulnerability patches in time.

5. In fact, network security technology is used. I would like to introduce common network security technologies to you here, hoping to let you know something.

6. Firewall network firewall technology is a special network interconnection device used to strengthen access control between networks, prevent extranet users from illegally entering the intranet through the extranet, access intranet resources, and protect the intranet operating environment.