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Daniel Kempkens 2015-08-03 20:55:15 +02:00
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_posts/2014-03-30-ocsp-stapling-with-nginx.md
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@ -3,7 +3,7 @@ layout: post
title: OCSP Stapling with nginx title: OCSP Stapling with nginx
description: "A general explanation of how to set up OCSP stapling with nginx." description: "A general explanation of how to set up OCSP stapling with nginx."
date: 2014-03-30 21:30:00 CEST date: 2014-03-30 21:30:00 CEST
modified: 2014-03-31 23:10:00 CEST modified: 2015-08-03 20:55:00 CEST
category: posts category: posts
tags: [nginx, ocsp, ssl, ops, english] tags: [nginx, ocsp, ssl, ops, english]
comments: true comments: true
@ -35,47 +35,7 @@ You have to include the root certificate (and intermediate certificates) for OCS
For CAcert (and unless you have a Class 3 certificate) you only have to include the Class 1 certificate in your stapling file. For CAcert (and unless you have a Class 3 certificate) you only have to include the Class 1 certificate in your stapling file.
{% highlight text %} {% highlight text %}
-----BEGIN CERTIFICATE----- 03/08/2015 Removed. Get the Class 1 certificate here: http://www.cacert.org/index.php?id=3
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-----END CERTIFICATE-----
{% endhighlight %} {% endhighlight %}
## StartSSL ## StartSSL
@ -83,87 +43,7 @@ omTxJBzcoTWcFbLUvFUufQb1nA5V9FrWk9p2rSVzTMVD
StartSSL - using a Class 1 certificate again - has an intermediate certificate in their chain, so you have to include this one in your stapling file, too. StartSSL - using a Class 1 certificate again - has an intermediate certificate in their chain, so you have to include this one in your stapling file, too.
{% highlight text %} {% highlight text %}
-----BEGIN CERTIFICATE----- 03/08/2015: Removed. Get root certificate and the intermediate certificate here: https://www.startssl.com/certs/
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
{% endhighlight %} {% endhighlight %}
After you've done all that, you can restart nginx or reload the configuration and you should be good to go! After you've done all that, you can restart nginx or reload the configuration and you should be good to go!
@ -171,11 +51,7 @@ After you've done all that, you can restart nginx or reload the configuration an
You can verify that everything works using the `openssl` command line tool. You can verify that everything works using the `openssl` command line tool.
{% highlight bash %} {% highlight bash %}
# CAcert
openssl s_client -servername blog.kempkens.io -connect blog.kempkens.io:443 -tls1 -tlsextdebug -status openssl s_client -servername blog.kempkens.io -connect blog.kempkens.io:443 -tls1 -tlsextdebug -status
# StartSSL
openssl s_client -servername kempkens.io -connect kempkens.io:443 -tls1 -tlsextdebug -status
{% endhighlight %} {% endhighlight %}
Both of those should include a section (with data) named "OCSP Response Data". Both of those should include a section (with data) named "OCSP Response Data".
@ -187,3 +63,9 @@ Keep in mind that nginx does not include OCSP data in the first response, becaus
**Update #1** **Update #1**
If you have more than one virtual host with SSL enabled, you have to enable OCSP stapling for every single one. Otherwise nginx will fail silently and not include any stapled OCSP data. (Thanks to [@rmoriz](https://roland.io) for figuring this out) If you have more than one virtual host with SSL enabled, you have to enable OCSP stapling for every single one. Otherwise nginx will fail silently and not include any stapled OCSP data. (Thanks to [@rmoriz](https://roland.io) for figuring this out)
**Update #2**
This post has been quite popular, so I decided to update it a little bit. The biggest change is that I have removed the certificate chains that were originally included in this post. I did this to not confuse people too much and because I don't want to keep these chains up to date.
The most important thing to remember when setting up OCSP stapling with any CA is to make sure that the entire trust chain (including the root certificate) is included in the `ssl_trusted_certificate` file.