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Security strategy of web pages in website construction

Source: Shangpin China | Type: website encyclopedia | Time: July 18, 2019
With the continuous development of information technology, new websites will appear in the public's view every day. These websites have a wide variety of styles. Now, the time for developing a website is greatly shortened, but the scale of the website is getting larger and larger, and the procedures are becoming more and more complex, which also makes people worry about the security of the website. Now many websites have online shopping malls, membership system and other services. These services involving transactions sometimes expose their weaknesses in front of hackers, posing a great threat to the security of websites. Based on the characteristics of the network, the vast majority of users can access the web page at will, which also means that the website also has considerable security risks.
1、 Security Policy of Web Page
In reality, the establishment of security policies must be improved. Security policies are generally divided into three levels:
1. Physical security policy
As the name implies, a physical security policy is a policy that considers security from a physical perspective. Objects such as computers and storage media may be damaged due to natural or human factors, which may also lead to the possibility of information being stolen. How to formulate physical security policies can be divided into the following two categories:
(1) Protect against physical damage. First, all relevant equipment should be kept away from various disasters; Secondly, these devices should also be protected from man-made damage, such as locking the doors and windows when no one is around, and electromagnetic interference should also be considered.
(2) Protection information is stolen. At the physical level, there are two ways to steal information, namely, eavesdropping on network lines and monitors and stealing storage media. Network lines and monitors will send out signals when they are working. To prevent these signals from being eavesdropped to prevent the disclosure of confidential information, the usual method is to use equipment with weak signals and use certain encryption technology. While a lot of information of the system can be stored on other storage media, such as USB flash disk, CD, etc. These important media must be well kept, and cannot be obtained by people who have ulterior motives.
2. Access security policy
Access security policy is to prevent the illegal access or use of Web pages by controlling external access hosts. The following aspects are usually used to formulate access security policies, which can be used simultaneously:
(1) Access control is performed when accessing the network.
In order to prevent illegal access to Web pages by criminals, access control is usually used as the first line of defense of a website, which determines whether a user can access a host, network or a Web page. Many websites will use access control based on user name and password. The advantage of this method is simple and effective, but the disadvantage is that it is easy to be stolen or cracked.
(2) Server security control and node security control.
In most cases, in order to avoid the impact of the network in remote operations, administrators use servers to carry out website related operations. Therefore, the security control of the server is very important to prevent unauthorized users from getting the opportunity to operate the server. Therefore, in addition to using physical security control, you can also lock the server console to prevent unauthorized users from entering the server. You can also limit website access by limiting the IP address. The disadvantage of this method is that it is not flexible.
3、 Use firewall control.
In recent years, firewall has developed rapidly and become a relatively comprehensive network security technology. The core idea of firewall technology is to divide the network into two areas, which are secure and insecure. In this way, servers that need strict security control can be placed in a secure area, which can improve the security factor of the website. There are three common firewalls, namely proxy firewall, packet filtering firewall and dual cave host firewall.
1. Information encryption strategy
On the Internet, unsafe areas always exist, so information in unsafe areas may be stolen. Therefore, information must be encrypted to protect information security. There are usually two methods. One is to protect the connection of software. This method is flexible, but the disadvantage is that the header cannot be encrypted; The other method is to protect the physical link, which is simple but not flexible enough.
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