Knowledgebase: SSL
Barracuda Spam & Virus Firwall 300 SSL Installation

Instructions to Install SSL Certificate Barracuda Firmware Version 5

If you have not yet created a Certificate Signing Request (CSR) and ordered your certificate, see
CSR Creation Barracuda Spam and Virus Firewall Version 5.

SSL Installation

To install your SSL certificate file you will need to be logged into the Barracuda as an administrator.

  1. Go to the Advanced tab then click Secure Administration.

    Barracuda Secure Administration Screen

  2. Make sure Certificate Type is Trusted (Signed by a trusted CA).
    If this isn't currently listed change the certificate type to list this and click to Save Changes.

    Trusted (Signed by a trusted CA)

  3. To upload your certificate file choose the following files:

    Upload Trusted Certificate: Browse to the file your_dominio_com.crt that you received from COMODO.
    Private Key:                       Browse to the file private_key.txt.
    Certificate Chain Bundle:    Browse to the file COMODOCA.crt.

    Note: If you don't have your private key file, please see Barracuda CSR instructions Step 5 to download your Private key file.
    You will then need to change the Certificate Type back to Trusted (Signed by a trusted CA).

    Then click Upload Certificate Information.

    Trusted (Signed by a trusted CA)

    Next you should see two green bars at the top that should display the text shown below:

    Successfully Uploaded Signed Certificate
    Configuration updated

    Trusted (Signed by a trusted CA)


Test your certificate by going to and entering the DNS name you are securing (e.g., or to verify the installaton is correct.

  1. If your certificate did not upload correctly on step 3 above, then you will need to do the following: Log into your account, and click your order number, then click Download Certificate and click to download the following files:

    Primary Certificate (your_dominio_name.crt), Intermediate Certificate (COMODOCA.crt), Root Certificate (AddTrustExternalCARoot.crt)

  2. You will need to create a combined PEM file by opeing up a text editor (e.g. Wordpad) and pasting the contents of all of the files listed below as follows:

    (Primary SSL Certificate: your_dominio_com.crt)
    -----END CERTIFICATE-----
    (Intermediate Certificate: COMODOCA1.crt)
    -----END CERTIFICATE-----
    (Intermediate Certificate: COMODOCA2.crt)
    -----END CERTIFICATE-----
    (Trusted Root Certificate: AddTrustExternalCARoot.crt)
    -----END CERTIFICATE-----

    This file should then be saved as your_domain_com.pem.

  3. Now upload the following files, and click Upload Certificate Information:

    Upload Trusted Certificate: Browse to the file your_domain_com.pem that you just created.
    Private Key: Browse to the file private_key.txt.
    Certificate Chain Bundle: Leave this blank.

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