The WHMCS module has the following Certificate types selectable to facilitate quick setup :

Alpha Standard

Alpha WildCard

GlobalSign Domain Validated Standard

GlobalSign Domain Validated WildCard

GlobalSign Domain Validated AUTOCSR Standard

GlobalSign Domain Validated AUTOCSR WildCard

GlobalSign Organization Validated Standard

GlobalSign Organization Validated PublicIP

GlobalSign Organization Validated WildCard

GlobalSign Organization Validated AUTOCSR Standard

GlobalSign Organization Validated AUTOCSR PublicIP

GlobalSign Organization Validated AUTOCSR WildCard

GlobalSign Extended Validation

The Alpha, GlobalSign Domain and Organization validated certicates can be from 1 to 5 years in total.

The GlobalSign Extended Validation certificate can be either 1 or 2 years.

All certificate types (non AUTOCSR) require a 2048bit CSR to complete the order.

The AUTOCSR certificate requires simply the domain name and a password to complete the order.

*Please remember with GlobalSign and Alpha certificates, enter the Common Name as www.domain.com so that you get both the www and nonwww certificate.