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What does SSL mean?

What does SSL mean?

SSL is a popular encryption technology, which can protect the private information transmitted by users over the Internet. When users visit secure sites such as Gmail.com, they will see a "lock" next to the URL address, indicating that your communications on the site are encrypted.

This "lock" indicates that a third party cannot read any communication between you and the site. In the background, data encrypted through SSL can only be decrypted by the receiver. If lawbreakers monitor users' conversations, they can only see a random string and cannot know the details of e-mails, Facebook posts, credit card accounts, or other private information.

SSL was first launched by Netscape in 1994 and has been adopted by all major browsers since the 1990s. In recent years, many large network services have used this technology to encrypt data by default. Today, Google, Yahoo and Facebook all use SSL to encrypt their websites and web services by default.

What is the purpose of the SSL certificate?

1. Ensure the security of data. After the SSL certificate is installed on the enterprise website, the SSL protocol can be activated to realize the encrypted transmission of data information between the client and the server, which can well prevent the user's private information such as user name, password, transaction record, residence information from being stolen and modified, and finally ensure the security of website data transmission.

2. Identify fake websites. Because the SSL certificate can authenticate the real identity of the server, it can effectively distinguish between fake phishing sites and official websites. At the same time, after the SSL certificate is installed on the enterprise website, the browser has a built-in security mechanism to check the status of the certificate in real time, and display the website authentication information to users through the browser, so that users can easily verify the true identity of the website and identify fraudulent, phishing and other fake websites.

3. Improve the corporate image. If the corporate website installs a SSL certificate issued by an authoritative certificate issuer, it can not only highlight the professionalism of the site, but also enhance the trust of website visitors. Of course, if you deploy a more advanced EV SSL certificate, the green address bar and organization name will also be displayed, which tells users that they are visiting a secure and trusted site, which can greatly enhance the image and credibility of the enterprise.

The main services provided by the SSL protocol are

1) authenticate users and servers to ensure that data is sent to the correct clients and servers

2) encrypt data to prevent data from being stolen

3) maintain the integrity of the data to ensure that the data will not be changed during transmission.

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