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How to generate a CSR from an existing certificate?

It’s not recommended to use an existing CSR when applying for a new SSL certificate, as re-using the same key over very long periods may compromise website security.

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How to generate multi-level SSL CSR?

When you generate a CSR via an external tool such as a CSR generator, you should enter one single domain name or sub-domain. The rest of the domains or sub-domains, known as SANs (2nd, 3rd, 4th domains or sub-domains), should be included in the fields for additional domains. You will find the additional domain fields on the SSL Certificate configuration form.

If you generate the CSR with OpenSSL, you need to create a new file named req.conf and add more DNS entries. Here’s the command line to request the CSR:

openssl req -new -out request_name.csr -newkey rsa:2048 -nodes -sha256 -keyout request_name.key -config req.conf

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What access is needed to generate CSR?

To generate the CSR on your server, you need access to your control panel or secure shell terminal. You can also create the CSR externally via a CSR generator tool directly from your browser.

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What happens when you generate a CSR?

The system or platform on which you generate the CSR will create two text files. The file with the .csr extension will contain your CSR code, while the file with the .key extension will include your private key.

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How long does it take to generate CSR?

The CSR generation itself is instant. The only time you’ll spend is filling in the required CSR fields with your contact information.

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How often do I need to generate a CSR?

You must generate a CSR code every time you apply for a new certificate or are renewing your expiring cert. The CA uses the up-to-date data from your CSR to validate and issue your SSL certificate.

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What is needed to generate a CSR?

To generate the CSR, you must have access to your server or use a third-party tool that will automatically create the CSR files after you submit the required data.

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What information will I be asked to generate a CSR?

You must provide the following information:

  • Country Name
  • State or Province Name
  • Locality Name
  • Organization Name
  • Common Name (the FQDN -Fully Qualified Domain Name you want to secure)

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Where do I generate a CSR file?

You can generate the CSR code directly on your website’s server or via a CSR generator tool and then upload the CSR code to your platform.

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What is a CSR?

A CSR or Certificate Signing Request is a block of encoded text with your contact data that you must submit to the certificate authority (CA) to validate your SSL certificate request.

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