How to Generate a CSR for Netscreen ScreenOS


You will need to create a key pair for your server to generate a CSR. These two items are a digital certificate key pair and must not be separated. Losing your public/private key file or password will result in you havinf to generate a new one, causing your SSL Certificate to no longer match. You will have to order a new SSL Certificate and which may result in a charge.

The CSR needs to contain the following attributes:

Country Name (C): Use the two-letter code without punctuation for country, for example: US or CA.
State or Province (S): Spell out the state completely; do not abbreviate the state or province name, for example: California.
Locality or City (L): The Locality field is the city or town name, for example: Berkeley.
Organization (O): If your company or department has an &, @, or any other symbol using the shift key in its name, you must spell out the symbol or omit it to enroll, for example: XY & Z Corporation would be XYZ Corportation or XY and Z Corportation.
Organizational Unit (OU): This field is the name of the department or organization unit making the request.
Common Name (CN): The Common Name is the Host + Domain Name. It looks like "" or "".

Generating a Key Pair and CSR

  1. Open the WebUI

  2. From the Options menu, click Configuration, and then Date/Time.

    Note: If the Options menu is not available, look for the Configuration option

  3. From the Date/Time page, click Sync Click with Client. Ensure that Automatically adjust clock for daylight savings changes is selected.
  4. From the options menu, click Network and then click DNS.

  5. Enter the Hostname of the device is the Hostname textbox, and then enter the Domain name of the device is the Domain name textbox. This two together will become the Common Name.

  6. From the options menu, click Objects, click Certificates, and then click New.

  7. Fill out all of the necessary fields and then click Generate.

  8. You have just created a key pair and a CSR.

  9. Verify your CSR

  10. To copy and paste the information into the enrollment form, open the file in a text editor that does not add extra characters (Notepad or Vi are recommended).