Technical Tip: Signing a CSR with SAN Support Using FortiAuthenticator

[magliano]

Description	This article describes how to sign a CSR with FortiAuthenticator without losing the SAN field.
Scope	FortiAuthenticator.
Solution	To sign a CSR with SAN information intact, follow these steps: Go to Certificate Management -> End Entities -> Users -> Select the Import option. In the Import Signing Request or Certificate window: Set Type to CSR to sign. Upload the .csr file under the CSR file (.csr, .req). Select the appropriate Certificate Authority (CA) for signing. Set the Validity period as needed. Choose a Hash algorithm. Select Import to complete the process. Install the signed certificate on the original device that generated the CSR. Note: Using the proper import and signing method in FortiAuthenticator allows maintenance of the SAN field.