Wildcard SSL certificate allows the management of multiple sub domains on a single domain on a server with a single digital certificate. The Wildcard SSL Certificates secure website URL and an unlimited number of sub domains. The Wildcard SSL works the same as regular SSL certificates, such as the same validation processes, and is available as either Standard or Premium certificates.
The main difference is that the Wildcard SSL Certificates secure unlimited sub domains of your domain that you want to secure. For example, www. mysite.com, webmail. mysite.com, and register. mysite.com can all be secured with a single Wildcard SSL Certificate.
Some operating systems expect a dedicated and static IP for each of the sub-domains those utilizes the single Wildcard SSL cert. At the time of generating a Certificate Signing Request (CSR) for a Wildcard certificate, add an asterisk (*) to the left of the Common Name where you want to specify the Wildcard.
Wildcard SSL certificate Examples:
- *.mysite.com secures www.mysite.com, register.mysite.com
- *.webmail.mysite.com secures register.webmail.mysite.com, www.webmail.mysite.com
Find Below Tip When You Are Applying The Wildcard SSL:
*.mysite.com will NOT work for webmail.www.mysite.com when viewing the website on Internet Explorer as Microsoft expects the asterisk in the leading position. FireFox 3, however, will read webmail.www. As the entire replacement for the asterisk.
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