An SSL Certificate is a digital certificate that authenticates the identity of a Web site and encrypts information sent to the server using security technology Transport Layer ( Secure Sockets Layer – SSL). Encryption is the process of encoding data in unreadable formats that can only be returned to a readable format with the specified decryption key. A certificate serves as an electronic “passport” that establishes the online entity’s credentials when doing business on the Web. When an Internet user tries to send confidential information to a Web server, the browser of the user accesses the certificate digital server and establishes a secure connection. There are different types of SSL certificate find the list of SSL certificates here.
Multi-Domain SSL Certificates
A multi-domain certificate (also known as certificate SAN or Unified Communications Certificate (UCC)) is a special type of SSL certificate. A standard certificate of a web server can protect a domain / host name, while a wildcard certificate can protect all subdomains belonging to a domain. With a multi-domain certificate you can protect a domain name with different domain extensions or multiple domain names using a single SSL certificate.
Easy and economical
One of the best advantages of a multi-domain certificate is that it only requires a unique IP address for the domain name. This, combined with the low cost of adding additional domain names, makes multi-domain certificate the ideal solution for any company that wants to protect multiple brand names in a single certificate.
The only requirement is that all domain names must be registered under the same ownership. The company of multi-domain SSL certificate is more appropriate accommodation / hosting, should take into account this consideration.
The multi-domain SSL certificates are very popular due to the fact that this type of certificate is perfectly compatible with the needs of a company offering Microsoft Exhcange solutions to its customers. You can combine all Exchange-related host names in a single certificate. The Unified Communications Certificate (UCC) of Comodo was developed especially for this purpose.
The multi-domain SSL certificates are also available certificates with extended validation (EV). EV certificates are necessary for any company committed to provide information such as payment details online stores.