How to Install SSL Certificate on SonicWall SSL VPN

Steps to Install SSL on SonicWall SSL VPN

Initial Checklist

SonicWallBefore you start Installing SSL Certificate, make sure following processes have been completed.

  • Buy or Renew SSL Certificate
  • Generate CSR with SHA-2
  • Save CSR & Private key file on your server
  • Apply for SSL Certificate Issuance
  • Submit SSL Issuance documents to Certificate authority (for EV & OV SSL Certificate).

Step 1: Store Certificate Files

Once your Certificate Authority verify your documents they will send you SSL certificate via email including primary, intermediate and root certificate files. Download all files and store them on your server or computer drive.

Step 2: Rename Certificate File

Rename your SSL certificate file from your-domain.crt to server.crt. 

Step 3: Import Certificate File

  • In your SonicWall VPN, move to System > Certificates
  • Here click on Import Certificate
  • Import Certificate dialogue will appear

Import SSL Certificate SonicWall

  • First, click on Browse ad find the *.zip file that contains your Key and Certificate files as Server.key and Server.crt.
  • Enter Private Key Password if you have added previously
  • Now click on Upload…
  • Once the successful upload completes, the SSL certificate information will be display at System > Certificates

Note: Any name of *.zip file is accepted, if you don’t have that zip file then you can create one.

Step 4: Import CA Certificate File

  • In your SonicWall VPN, move to System > Certificates
  • In Additional CA Certificates tab, click on Import Certificates…
  • Click on Browse button, find the *.zip file which contains your CA certificate in PEM format.
  • Now click on Upload
  • Once the successful upload completes, the CA certificate information will be display at System > Certificates

Note: All Comodo SSL certificate comes up with CRT format and encoded in PEM as well.

Resources and Other Installation Guides