Where can I find instructions on how to generate a CSR?

For your convenience, we created CSR generation instructions for the most popular servers and control panels:

If your server type is not listed above, you can also look through the Comodo Certificate Authority's instructions.

NOTE: When you generate a CSR, a private key will also be generated at your web server. Please back up the private key or else you will not be able to install the certificate. Since this is a server-side process, we will not have access to the private key so please ensure to back up. If you lose it or if your feel that your private key has been compromised, you can generate a new CSR and request for a re-issue of your certificate.

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