Understanding technical terms used in SSL is essential. Here you can learn more about:
An EV SSL certificate installed on a machine triggers the green url bar in most browsers.
That green bar is a visual garantee that the transactions are secured on a website.
Green bar display on the most popular browsers:
In 2007, several surveys showed that the green bar display generated instant positive reactions for 75% of internet users,a 15% raise of the purchase intentions and a 15% decrease in the abandonment of the purchase process.
The EV SSL certificate is therefore a powerfull marketing tool that can boost your Ecommerce websites.
Depending on your needs or your technical pool,you may need to install your certificate on several machines.
Some certificates are sold to be installed on a unique machine (physical or virtual).The additionnal licence makes then possible to duplicate an existing certificate instead of buying a new one for each different machine you may use.
Several configuration can be encountered:
Comodo's certificates evolve and are now sold with unlimited machines licenses.
So,install your certificates on as much machines as you need for the price of one product !
A new certificate can be reissued in substitution of an existing one with the same fields but a different pair of keys*.
That can be done in those situations:
*pair of keys : Item privet key / public key elements : if a new pair of keys is needed a new CSR has to be requested.
A multiple site certificate is issued to secure several domains (or SANs) hosted on a same server:
It is then possible to secure other domains by purchasing additionnal SANs instead of buying a new certificate for each extra domain. Wildcard SANs are also available on UC certificates.