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Installing GoDaddy SSL Certificate in an Ubuntu Server

November 26, 2014 9:11 pm Leave your thoughts
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There are a lot of guides out there that deals with this topic (installing ssl certificate) but not much that are actually tailored for this pair, GoDaddy and Ubuntu. So hopefully today’s article will be helpful for many people.

Elements

Basically in order to successfully install an SSL certificate you need the following things

  • CSR file
  • Private key
  • Certificate key
  • Certificate chain

Prepare Your Server

The first step to installing your certificate is to prepare your server directories to hold the final keys later on.

So ssh into your server and do the following:

Then to be sure, do the following to install openssl. Nothing will happen naturally if openssl is already installed.

Then install the required ssl mods for your apache instance and activate them:

Generate the CSR

In order for GoDaddy to be able to issue our SSL certificate, we need to generate the CSR (Certificate Signing Request) key and our Private Key. In your home directory, do the following. You don’t need to do sudo at this point.

After running the above command you will be required to answer some identity questions. Make sure you answer them as accurate as possible. The questions will look like something below:

csr

You don’t really need to use the challenge password with GoDaddy at the time of this writing.

Now that you have completed generating the private key and the CSR, it’s time to send it through to GoDaddy.

Generate the Secure Certificate

Open the website_ssl.csr that we generated before. You can use vim or you can simply cat it to the terminal. The CSR should look like this:

So copy the entire content from your CSR file, including the —–BEGIN and END.

Then login to GoDaddy, locate your secure certificate product and click launch. After that, click on setup and choose provide CSR. Then paste the content of the CSR file that you just copied previously.

When done, just wait until GoDaddy verifies your website’s identity and grant you access to download the certificate, in my case this happens very quick, at most within 10 minutes.

Installing the Certificate in Your Server

Once GoDaddy email you that your certificate has been generated, follow the link and download the certificate to you computer for now. Basically it’s a zip file containing 2 files, the one that looks like a randomly generated hash is your secure certificate (let’s call it 6eba0aa5c1b8.crt for this article), while the one that starts with gd_bundle_ is your certificate chain file.

So upload both files to your home directory in your Ubuntu server instance. You should now have the website_ssl.key, 6eba0aa5c1b8.crt, gd_bundle-g2-g1.crt. Then move those 3 files to the ssl directory that you created previously.

Then make sure you set the correct permission to those files.

Create the Apache Configuration

In this article, we’ll assume that we are using the 000-default.conf file. This file is normally located in your /etc/apache2/sites-available/ folder.

So make a copy of this virtualhost configuration file and call it 000-default.https.conf.

Then open the file in your favourite editor such as VIM and make the following changes.

First, update the port in the VirtualHost opening tag.

Secondly, add the SSL rules at the beginning of the file, just after the opening tag. Please pay attention of the cipher suite rules as this is the combination that I found to be most acceptably secure at the moment.

I am no security expert of course, this secure combination was found from this website and when you finish setting up your website SSL you should test your site against attacks too. One of the websites that you can use is SSLlabs.com.

Now that you have added the rules for the SSL settings, you then need include the paths to the three keys that you setup before. So just after the rules above, add the following lines:

That’s it, you just need to enable the secure configuration by using the a2ensite command:

Lastly restart your apache server just to be sure.

Closing

So that’s it. After following the instructions above, your server should now support https and you’ll get that secure lock on the browsers. Hopefully this article helps those using GoDaddy certificate and Ubuntu server.

If you have more information to improve this instructions, please by all means leave some comments so that we all can learn :)

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