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This article mainly introduces "what is the domain name SSL security certificate". In the daily operation, I believe that many people have doubts about what is the domain name SSL security certificate. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "what is the domain name SSL security certificate"! Next, please follow the editor to study!

Ssl certificate, also known as server certificate, https certificate, CA certificate, website security certificate, is a kind of digital certificate.

The first function is "data transmission encryption": our general Internet visits and readings are based on the standard TCP/IP protocol, and the content is delivered on the network in the form of data packets. Because the contents of the packet are not encrypted, anyone who intercepts the packet can get the contents in between. Then if the user name, password or other personal privacy material is passed in the packet, it is easy to be stolen by others. SSL can set up an encrypted channel between the client and the server used by the user, and all the data transmitted on the network will be encrypted first, and then decrypted later when it is transmitted to the destination, so that the packet is intercepted in the process of transmission, and it is difficult to crack its content.

The second function is "server identification": at present, counterfeit websites have become a serious threat in the use of the Internet, and counterfeiters can create an interface that is exactly the same as real websites, and use similar domain names to guide users to visit. The letter I is replaced with the number 1, and if the user does not pay attention, it is easy to be deceived. Once the account password and other information is entered in the process of the use of the counterfeit website, it will be recorded by the counterfeit website, and then be falsely used to blackmail the user's account security. SSL server certificate can effectively prove the real identity of the website and the legitimacy of the domain name used, so that the user can easily identify the real website and the counterfeit website. The current SSL server certificate will go through strict inspection methods to recognize the identity of the requestor when it is requested. Users can see the content of the certificate when visiting the website, including the actual domain name of the website, the owner of the website, the certificate issuance arrangement and other information. The reader will also give a corresponding security logo, so that visitors can rest assured to use.

At this point, the study on "what is the domain name SSL security certificate" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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