How to maintain a server that is poisoned

When data centers provide users with server space and network services, they often also provide users with daily maintenance services. Users will suddenly find that their servers are poisoned or suspected of being poisoned when the server is running. So, the editor has something to say about how to troubleshoot and clean up the poisoning behavior.

In the process of providing daily maintenance services to users, we often hear users complain that the server they are using is poisoned. From the analysis of many cases, we can see that the following situations are most likely to cause host poisoning.

Source program vulnerability

Severity of source program vulnerability; Currently, more than 80% of website programs on the Internet are downloaded from the Internet; this will save a lot of time in building a website and is also very convenient; There are certain security risks in open source code; it is impossible for website designers to open all files to see what the source code means, so many illegal elements will study the vulnerabilities of each source code, crack each website, and then use these Websites are used to make profits; therefore, many websites will be placed in black links, pop up some other information, or simply cannot be opened.

FTP vulnerability

FTP vulnerability is a way to use FTP to invade the space, obtain the server source code, and then invade the website, thereby controlling the website and using the website to make profits In the way of behavior, in space security, WEB server security also has loopholes. For example, IIS, apache, and tomcat servers all have corresponding security loopholes. Criminals will use these security loopholes in the server to achieve the purpose of invading the server, and then control the entire website. , obtain benefits.

Safety of Internet Behavior

Some websites come with some Trojan viruses. When you accidentally enter such websites directly, the server may be poisoned. The first thing users need to understand is what they are renting a server for. The value of the server and the computer are not the same. Users need to make the data in the server accessible to qualified visitors at any time under a 24-hour status. Therefore, users should keep the server running stably 24/7, so stability is the first priority of the server. And if the user thinks that the server is more convenient for downloading entertainment videos or playing games, then it may be more affordable for the user to buy a high-configuration PC. Therefore, users must know what they should and should not do when using the server. .

Backend password security

It is recommended to reset the server hosting backend password account. It must not be the initial password, and try to change the password regularly.

Finally, the editor reminds server rental users to develop good daily maintenance habits, which will contribute to the stable operation of the server.