Enterprises in order to step up publicity to promote their products and services, often a lot of construction sites to meet their needs, so the domain name also more up. SSL certificate installed to protect the basic security of the site is an essential step, then how reasonable it is to deploy SSL certificate for the domain name has a lot of business to the site? Shun SSL Xiaobian take everyone to solve this confusion.
A, SSL certificates can use it for multiple domain names
SSL certificates for multiple domain names can of course be used. SSL certificates in accordance with the number of different domain names supported, can be roughly divided into the following three types:
The first: single-domain SSL certificate that supports only one domain name using SSL certificates;
Application Note:
If you are applying SSL certificate for a domain name www prefix, default protection domain with www and non-www domain name; and the difference is, if you are applying SSL certificates for other subdomain prefix, you can only protect the current subdomain.
The second: multi-domain SSL certificate, this certificate can support multiple top-level domains using completely different, usually multi-domain SSL certificate can support 2 to 250 domain names.
Third: Wildcard certificates, which can support the same SSL certificate to all subdomains main domain hereinafter the same level, and does not limit the number of sub-level domain name.
Second, multi-domain SSL certificate application where
the application is consistent multi-domain SSL certificates and SSL certificate for the general method, you need to apply for authority to be certified digital certificates, of course, is to choose the best qualified, qualified digital certificates issued institutions, such multi-domain certificate to apply for a more secure and reliable.
There are many digital certificate authority application can support multi-domain SSL certificates, one of the more famous are: Symantec, Comodo, Geotrust and so on.