Generating a Certificate Signing Request or CSR Topics
CSR for F5 BigIPGenerating a Certificate Signing Request (CSR) using F5® BigIP Appliances
To generate your CSR, you will need to use the following instructions depending on your version of the BigIP software.
F5® BigIP version 9 and later
- Open and log into the BigIP web interface.
- Under the 'Local Traffic' menu, select 'SSL Certificates', then click 'Create'.
- Under 'General Properties', you can give the certificate a name to identify it on the device. We suggest using the FQDN you are requesting the certificate for.
- Fill out the 'Certificate Properties' form:
Issuer: Certificate Authority
Common Name: Your FQDN (Fully Qualified Domain Name), for example: www.example.com.
- Your CSR is now generated. Open the 'certreq.txt' file with a text-editor and copy and paste the contents into the enrollment form when requested.
F5 BigIP version 4.x
- Log in to the device as 'root'. Execute the following command:
#/usr/local/bin/genconf
You will need to enter all of your company information (name, address etc.)
- Now execute the command:
#/usr/local/bin/genkey www.yourdomain.com
Replace 'www.yourdomain.com' with the FQDN you require the certificate for. This will generate the CSR
- The CSR will be saved in a file at the location: /config/bigconfig/ssl.csr/www.yourdomain.com.csr
Copy and paste the contents into the enrollment form when requesting a certificate.





