How to Generate Certificate Signing Request on OS X El Capitan

1. Mac OS X El Capitan: Create Your CSR (Certificate Signing Request)

To get a valid SSL Certificate, first generate your CSR (certificate signing request). Then, use the contents of the CSR to order your SSL Certificate.

Mac OS X El Capitan Server (10.11): How to Generate a CSR with the Server App

1. Open the Server App.

   In the Finder window, under Favorites, click Applications and then double-click Server.

   
2. In the Server App window, under Choose a Mac, do one of the following options to select the server on which to create your CSR:

   Note: You should select the server on which you are going to eventually install this SSL Certificate.

   • To create the CSR on this server
     1. Select This Mac – YourServerName and then click Continue.
     2. Enter your Administrator Name and Administrator Password and then click Allow.
   • To create the CSR on another server
     1. Select Other Mac – YourServerName and then click Continue.
     2. Enter your Host Name/IP Address, your Administrator Name and Administrator Password and then click Allow.
     
3. In the Server App window, under Server, click Certificates.
4. On the Certificates page, click + > Get a Trusted Certificate.
5. On the Get a Trusted Certificate page, click Next.
6. Enter the following information:

   Host Name:	Enter the name to be used to access the certificate. This name is usually the fully qualified domain name (FQDN).
   	For example, www.yourdomain.como... Email Address:	Enter an email address at which you can be contacted.
   Company or Organization:	Enter the legally registered name of your organization or company.
   Department:	Enter the name of your department within the organization. For example, you can enter IT or Web Security.
   Town or City:	Enter the town or city where your organization or company is located.
   State or Province:	Enter the state or providence where your organization or company is located.
   Country:	In the drop-down list, select the country where your organization or company is located.

   
7. To generate your CSR, click Next.
8. Click Save to save the CSR. Make sure you note the filename and location of the file.
9. Click Finish.
10. Using a text editor (such as TextEdit, open the file and copy the text, including the -----BEGIN NEW CERTIFICATE REQUEST----- and -----END NEW CERTIFICATE REQUEST----- tags, and enter it into the order form.

    Note: During your SSL Certificate ordering process, make sure to select Mac OS X Server when asked to Select Server Software. This option ensures that you receive all the required certificates for Mac OS X El Capitan SSL Certificate Installation (Intermediate and Server (SSL) Certificates).

    
11. After receiving your SSL Certificate, your can install it.

2. Mac OS X El Capitan: Install Your SSL Certificate

After receiving the SSL Certificate file, first install the intermediate certificate on your server. Next, install your SSL Certificate on the server. Finally, assign the certificate to Services.

i. Mac OS X El Capitan: How to Install the Intermediate Certificate

1. Save the ZIP file your_domain_com.zip onto your server, and extract the SSL Certificate file (your_domain_com.crt) and the Intermediate Certificate file (XYZCA.crt) to a folder.
2. Open Keychain Access.

   In the Finder window, under Favorites, click Applications, expand Utilities, and then double-click Keychain Access.

   
3. In the Keychain Access window, under Keychains, click System.
4. Drag-and-drop the XYZCA.crt file into the System folder.
5. Enter the administrator's password and click Modify Keychain to authorize the change.

ii. Mac OS X El Capitan: How to Install Your SSL Certificate

1. Open the folder containing your SSL Certificate file (yourdomain_com.crt).

   Keep this folder open so that you can readily access this file.

2. Open the Server App.

   In the Finder window, under Favorites, click Applications and then double-click Server.

   
3. In the Server App window, under Choose a Mac, do one of the following options to select the server on which you want to install your SSL Certificate.
   • To install the certificate on this server
     1. Select This Mac – YourServerName and then click Continue.
     2. Enter your Administrator Name and Administrator Password and then click Allow.
   • To install the certificate on another server
     1. Select Other Mac – YourServerName and then click Continue.
     2. Enter your Host Name/IP Address, your Administrator Name and Administrator Password and then click Allow.
     
4. In the Server App window, under Server, click Certificates.
5. On the Certificates page, double-click on the Pending certificate that was created when you generated the CSR.
6. On your certificate's page (i.e. www.yourdomain.com), under Certificate Files, in the Drag files received from your certificate vendor here box, drag-and-drop your SSL Certificate file (yourdomain_com.crt).
7. Click OK.

iii. Mac OS X El Capitan: How to Assign Your SSL Certificate to Services

1. In the Server App window, under Server, click Certificates.
2. On the Certificates page, in the Secure services using drop-down list, select Custom.
3. In the Service Certificates window, in the Certificate drop-down list, select your new SSL Certificate for each Service to which you want to assign it.

   For example, in the Certificate drop-down list for Websites (Server Website – SSL) select your new SSL Certificate.

   
4. When you are finished, click OK.
5. You have successfully installed, configured, and assigned your SSL Certificate to your respective Services.