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Knowledgebase : CSR Generation
Knowledgebase: CSR Generation
CSR generation : Cisco ASA 5510

To generate a certificate signing request (CSR) for Cisco ASA 5510, perform the following steps:

Step 1:  Generate a key pair

  1. Within ASDM, click Configuration > Device Management
  2. Click Certificate Management > Identity Certificates > Add > Add a new identity certificate
  3. For the Key Pair, click New > Enter new key pair name
  4. Enter a unique key pair name for the certificate
  5. Select the key size as 2048
  6. To complete the generation of the key pair, click Generate Now

Step 2: Generate a certificate signing request (CSR) file

  1. To enter certificate information, click Select
  2. From the drop-down list, select the following attributes > enter value > click Add

    Country Name (C): Use the two-letter code without punctuation for country, for example: US or GB.

    State or Province (S): Spell out the state completely; do not abbreviate the state or province name, for example: New Jersey.

    Locality or City (L): The Locality field is the city or town name, for example: Clifton.

    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: AB & C Corporation would be ABC Corporation or AB and C Corporation.

    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 "".

  3. Once the appropriate values are added, click OK > Advanced
  4. In the FQDN field, enter the FQDN that will be used to access the device from the Internet: NOTE - If enrolling for a Subject Alternative Name certificate leave this field blank.
    Note: This value should be same FQDN you used for the Common Name (CN)
  5. Click OK Add Certificate > Browse
  6. Choose a location where to save the request file

References :

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