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What is the domain name SSL certificate? Many people do not understand, today, in order to let you know more about the domain name SSL certificate, so give you a summary of the following content, let's look down together.

What exactly is a domain name SSL certificate (referred to as a domain name certificate or SSL certificate)?

The SSL certificate establishes a SSL secure channel between the client browser and the Web server. The channel is mainly used to provide authentication to users and servers, encrypt and hide the transmitted data, and ensure that the data will not be changed during transmission, that is, data integrity, which has become a global standard in this field. Since SSL technology has been established in all major browsers and WEB server programs, you only need to install the server certificate to activate this function), that is, it can activate the SSL protocol and realize the encrypted transmission of data information between the client and the server, which can prevent the leakage of data information and ensure the security of the information transmitted by both parties. And the user can verify whether the website he visits is real and reliable through the server certificate.

An SSL certificate is a small data file that digitally binds encryption keys to organizational details. When installed on a Web server, it activates the padlock and HTTPS protocol and allows a secure connection from the Web server to the browser. SSL, which is typically used to secure credit card transactions, data transfer and login, has recently become the standard for ensuring the security of browsing social media sites.

The domain name SSL certificate binds the following two things together:

1) Domain name, server name, or host name

2) organizational logo (i.e. company name) and location.

As shown below:

The organization needs to install the SSL certificate on its Web server to start a secure session with the browser. Once a secure connection is established, all Web communication between the Web server and the Web browser will be secure.

After the certificate is successfully installed on the server, the application protocol (also known as HTTP) changes to HTTPS, where "s" stands for "secure". Depending on the type of certificate you purchase and the browser in which you surf the web, when you visit a website with a SSL certificate installed, the browser will display a padlock or green bar in the browser.

Simple understanding: domain name SSL certificate = domain name + SSL + digital certificate. Domain name SSL certificate (also known as domain name certificate, SSL certificate, server certificate). Domain name certificate is a digital certificate issued by a certification authority based on an Internet domain name (which also supports IP addresses). The digital certificate is used to establish an SSL channel.

The above is a brief introduction of the domain name SSL certificate, of course, the detailed use of the above differences have to be used by everyone to understand. If you want to know more, welcome to follow the industry information channel!

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