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A Certificate Signing Request (CSR) is an encoded file that provides you with a standardized way to send the relevant Certificate Authority (CA) your public key as well as some information that identifies your company and domain name – it is required prior to any installation of an SSL on a server.
When generating a CSR, the general information required will be:
– organization name
– location of the organization
– key type and size (the minimum is 2048-bit)
– the common name (EXAMPLE:www.example.com)
NOTE: If you are generating a CSR for a Wildcard SSL (for sub-domains) – the common name must start with an asterisk, which assumes any name excluding a dot-character (EXAMPLE:*example.com).
When configuring your SSL Certificates, the generated CSR will be required to be pasted into the order form.
Here are instructions for generating a CSR for these common platforms:
For more information, you can read our blog: SSL Certificate – What it is, Why it is Needed, and How to Set It Up.