How to Install SSL Certificate on Cisco ASA 5510?

SSL Certificate Installation Instructions for Cisco ASA 5510

Initial Instructions

Please make sure you have completed below checklist before starting the installation process.

Step 1: Download Certificate Files

After verification of your documents, the Certificate Authority will provide you SSL certificate bundle via email. This email contains a zip file which includes Primary, Intermediate, and Root certificate. Download and extract it on your Server.

 

Step 2: Install the Intermediate CA Certificate

  • In ASDM, go to Configuration >> Device Management.
  • Click on Certificate Management >> CA Certificate option.
ca certificate cisco
  • Click on the Add
add ca certificate
  • Click on the Browse button and enter the location along with the path of the intermediate CA certificate file which you downloaded in the 1st
install ssl certificate

Alternative option

  • Choose “Paste certificate in PEM Format”. (If you have any other format of certificate file, convert it into .pem file using our SSL Converter Tool)
  • Paste the intermediate certificate in the text field.

Note: You should copy and paste the intermediate CA certificate file (yourintermediate_ca.txt) in the text field. Make sure to paste everything including —–BEGIN CERTIFICATE—– ,—–END CERTIFICATE—–, header, and footer.

  • Click Install Certificate

A dialog/popup box will appear. It confirms that the installation was successful.

Step 3: Install an SSL Certificate

  • Click on Configuration >> Device Management.
  • Click on Certificate Management > Identity Certificates.
  • Choose the .pem formatted file which you created at the time of CSR generation.

Note: The Expiry Date should display Pending.

  • Click on Install.
  • Enter the location and path of your SSL certificate file.
install identity certificate

Alternative option

  • Choose Paste the certificate data in base-64 format
  • Paste the certificate in the text field.

Note: You can copy and paste the intermediate CA certificate (yourSSLcert.txt) into the text field. Make sure to paste —–BEGIN CERTIFICATE—– and —–END CERTIFICATE—–, header, and footer.

  • Click on Install Certificate

Step 4: Configure & Activate your SSL Certificate

  • Go to Configuration > Device Management.
  • Expand the Advanced option and then expand SSL Settings.
expand ssl certificate
  • Under Certificates, choose the interface that is used to terminate WebVPN sessions.
  • Now, click on Edit.
  • In the Certificate drop-down list, select the certificate that you installed earlier.
  • Click on the OK
select ssl certificate
Cisco Support:

For more information, refer to Cisco ASA documentation.

 

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