Internet information security technology has always been a matter that people attach great importance to and make continuous efforts. With people's increasing dependence on Internet technology, the personal information we left on the Internet is stolen and sold by criminals at will, and we urgently need safer access methods. In order to provide more secure and reliable access, various security protocols came into being. So, do you know what ssl means? What is the function of ssl? Let's take a look!

1. What does ssl mean?

SSL is a secure socket layer, that is, secure socket layer. SSL is a security protocol, which provides security and data integrity for our network communication. It can encrypt the network connection at the transport layer, making our access more secure and reliable.

Second, what is the role of ssl?

As long as SSL security protocol has two functions:

First, ssl can prevent hackers from eavesdropping on data. Nowadays, many people use shopping websites or online banking to conduct online transactions. If you don't use SSL security protocol to encrypt data, your bank card, credit card, phone number, address and other information may be abused, and even sold to some fraud organizations for fraud.

Secondly, ssl can prevent data from being tampered with by hackers during transmission and ensure the integrity of data transmission. For example, when you shop online or log in to an online bank, if your data is tampered with by hackers, it is likely to cause huge money losses, so it is very necessary to use SSL.

Third, how to apply for ssl certificate

First of all, we must choose a formal and authoritative CA institution. At present, there are many digital certificate issuing institutions, but some digital certificate issuing institutions have been cancelled in order to compete for the market and issue certificates indiscriminately. So you need to pay attention when choosing. Generally speaking, the well-known digital certificate issuers are Symantec, Comodo, Geotrust and so on. At present, many domestic SSL certificate service providers, such as Alibaba Cloud, have cooperated with these CA institutions.

Secondly, SSL certificate applications can be divided into EV, OV and DV types, and users need to choose the appropriate SSL certificate according to their own conditions.

1, EV type It is mainly applicable to industries with high safety standards such as banking, insurance, P2P, investment, wealth management and crowdfunding.

2.OV type. Mainly applicable to education and training, e-commerce, government websites, Internet news websites, etc.

3.DV type is mainly suitable for testing some small customers, individuals and blog websites.

Third, submit certification information to CA to determine your company's qualification.

Finally, institutional verification, domain name verification and telephone verification are carried out.

After completing the above steps, CA will send the certificate to your mailbox within about 3-7 working days.

The above is my answer about what ssl means and what ssl does.