Creating Your Own SSL Certificates For FileMaker | Learning Claris FileMaker | Scoop.it
Typically, you buy an SSL certificate for a server from a SSL vendor. 

However, some companies may decide that they want to issue their own SSL certificates.

Often this is because the domain is only used internally, and most vendors don’t easily allow (if at all) the signing of server certificates for non-public domains.

Additionally, issuing your own certificates can remove complications caused by the certificate verification process used by most vendors, and there are no fees needed for each certificate.

 

Read more on Beezwax' blog post