SAN SSL Certificate is single certificate that secure primary domain and add additional host names (domains/sub domains) to the Subject Alternative Name field of the certificate.  With the growing trend of online services and business, organizations are coping with the growing demand of their online presence. Using the separate SSL certificate for all business can result into high cost and complex management, especially when it is a question of multiple domains, organization has to think out of the box and go with certificate that can provide a single protection to all domains. In this short and useful information, we will talk about SAN (Subject Alternative Name) certificate. What is SAN(Multi domain) SSL Certificate? SAN Certificate is an extension of x.509 certificate that that allows users to specify additional host names for a single SSL certificate just after 2007. Since Microsoft Exchange server is arrived, SAN is used to secure multiple sites across different domains and sub domains. SAN is also named UCC (Unified Communications Certificate) that is able to protect multiple host names and domain names with a single certificate. Many SSL providers allow organization to secure up to 100 SANs with a certificate. How SAN SSL Certificate works? With example SAN(Multi domain) SSL certificate can secure up to 100 domains/subdomains in a single certificate. Now, you may wonder that how this certificate works. So, we have given below a simple example to understand it clearly. For example, you have mydomain.com and you want to secure other domains and subdomains as …

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