Shulou(Shulou.com)06/01 Report--

What is the SSL certificate

SSL certificate is a kind of digital certificate, which is issued by the authoritative digital certificate authority (CA) after verifying the identity of the website. it can encrypt the data transmission between the browser and the website server. After the SSL certificate is installed on the website, the security lock flag is displayed in the browser, and the data transfer protocol is upgraded from http (traditional protocol) to https (encryption protocol).

II. The function of SSL certificate

(1) browser green security logo

The major mainstream browsers attach importance to the website that does not install the SSL certificate and prompt "insecure". The website browser with the SSL certificate will display a green security sign, indicating that the connection is secure.

(2) encrypted transmission of website data

After installing the SSL certificate, the website will be upgraded from https (encryption Protocol). It can encrypt and protect all the data information of the website, and protect visitors' registration, login, online transactions and other information data, which is very important for e-commerce, finance, enterprises and other websites.

(3) the security sign is trusted by visitors.

The OV SSL certificate can verify the true identity of the application organization. You can view the application enterprise in the certificate details. The advanced EV SSL certificate can also display the green enterprise name in the browser address bar, which can deepen the visitors' trust in the website and make them feel more at ease when browsing.

(4) strong encryption level protection

The reason why SSL certificate can encrypt data is inseparable from its 2048-bit encryption technology, which protects this sensitive data at all times.

(5) it is helpful to improve the search ranking.

Google and Baidu have publicly expressed that friendly priority display of https sites, which will be conducive to the site's SEO keyword ranking, for site optimization is a good opportunity.

(6) almost compatible with mainstream browsers and devices

The SSL digital certificate of Symantec, Geotrust, Comodo, Thawte and RapidSSL of Anxin SSL certificate is 99.99% compatible with browsers, and can be supported by all major browsers and devices.

III. The importance of SSL certificates

(1) the importance of SSL certificate in search engine

Baidu has expressed full support for https sites in previous years. Baidu accounts for 77.53% of the domestic search engine market, and it has become a trend for websites to install SSL certificates.

(2) the influence of SSL certificate on foreign trade promotion.

Chrome and other mainstream browsers'"unsafe" hints on http sites are undoubtedly a fatal blow to foreign trade websites, not only the loss of traffic, but also the impact on brands is inestimable.

(3) the impact of various data leaks on corporate websites.

In recent years, a variety of data leaks occur frequently, most of which come from large-scale streaming media, social networks, financial institutions and other websites. In today's Internet era, network security has become an issue of concern all over the world.

4. How to apply for SSL certificate?

Applying for SSL certificate only considers three aspects: brand, verification method, and the number of domain names.

(1) the consideration of SSL certificate brand: there are many SSL certificate providers in the world, but there are not many SSL certificate authorities that can provide international certification. International well-known and reliable SSL certificate brands are: Symantec, Geotrust, Comodo, Thawte and RapidSSL and other foreign SSL certificate brands, which can be found in Anxin SSL certificate.

(2) consideration of SSL certificate verification: there are three verification methods for SSL certificate: DV SSL certificate (domain name verification), OV SSL certificate (organizational verification) and EV SSL certificate (extended verification). The differences are as follows:

DV SSL certificate (domain name verification): only verify the ownership of the domain name, issue quickly in 10 minutes, the price is cheap, suitable for individual users and small businesses to apply for installation

OV SSL certificate (organizational verification): verify the ownership of the domain name and the true identity of the application organization. You can view the application enterprise name in the certificate details, which is suitable for enterprise users to apply for installation.

EV SSL certificate (extended verification): the highest level verification, verification of domain name ownership, true legal information of the enterprise, phone return visit, etc., which can display the green enterprise name in the browser address bar.

(3) consideration of the number of SSL certificate domain names: SSL certificates can be divided into single domain name SSL certificate, multi-domain name SSL certificate and wildcard certificate; if you have multiple domain names, you do not need one website certificate. Applying for multi-domain name SSL certificate or wildcard certificate can protect the domain name, which not only saves the cost of purchasing SSL certificate, but also saves the time of applying for SSL certificate.

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