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The best answers are voted up and rise to the top. Asked 6 years, 9 months ago. Active 6 years, 9 months ago. Viewed 2k times. If I understand what you are trying to do, you will need to add the header before it is sent to the proxy first configthen check for that header in the second config.

With what you have you are just setting the header twice. Active Oldest Votes. Sign up or log in Sign up using Google.

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Question feed. Server Fault works best with JavaScript enabled.The HTTP headers are the additional information passed between the client browsers and web servers. The request HTTP headers communicate the essential request information based on browser features, user preferences, and navigation intent, like:. Request HTTP headers are specified as key-value pairs. They are sent to the server while making requests, like this:.

Any time you browse a web page, your browser sends some HTTP headers and the server will process them, to give you the page your browser can understand. But they are sent in the opposite direction: from the server to the client.

Together, they constitute the header of the HTTP response. The HTTP header is always present in a response, while the body e. HTML payload is optional. The response headers communicate the information about the payload, and the server itself. Examples are:. There are a few, and as the web evolves, more are being added.

Each security header serves its own purpose. In most cases, HTTP security headers are added to responses, so that the browsers behave in a more secure way. This helps to harden security because a maliciously changed file on a compromised website, has fewer chances to be run as an executable, thus prevents the infecting of the client machines.

There are several ways you can accomplish the addition of security headers in your NGINX configuration. However, it is the least intuitive in the way it is inherited, as well as limited in how it can work. Installation using our repository is straightforward:. Additionally, you can instruct the security headers module to hide the Server header. This site uses Akismet to reduce spam.

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nginx add request header

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Logging request & response body and headers with nginx

Sign in to your account. To trace a request through all your services in ingress it would be good to add a Request-Id to request and response headers. This will allow tracking down all subsequent requests inside the cluster caused by one request from the outside. We've already modified our nginx. In case a default would be okay I can create a pull request desired changes are here.

For an optional default I would need some help to get the right place for adding the option to the ConfigMap. I've never worked with Go yet.

nginx add request header

But for the HSTS case the redirect configuration is still required and I'm unsure if this is not better something which should simply work more out of the box the problem should be quite common on AWS.

Let me add the snippets first and then we see what is needed for the HSTS header. This should be merged soon. Then you could freely add your own custom configmaps in different contexts like this:.

In the case of "request id" it would be good to have such an option in the ConfigMap so that I do not have to modify all ingress configurations. May this be an option? We use optional third-party analytics cookies to understand how you use GitHub. Learn more. You can always update your selection by clicking Cookie Preferences at the bottom of the page. For more information, see our Privacy Statement.

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Skip to content. Dismiss Join GitHub today GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.These days when hosting websites it is common to configure the web server to send several HTTP response headers with every single request for security purposes.

For example, using the nginx web server we may add these directives to our http configuration scope to apply to everything served, or to specific server configuration scopes to apply only to particular websites we serve:. Once upon a time I ran into a case where nginx usually added the expected HTTP response headers, but later appeared to be inconsistent and sometimes did not. This is distressing! This nginx directive has always behaved this way.

Various people have warned about it in blog posts and online discussions for many years. But the situation remains the same, a trap for the unwary. I have tried to imagine the rationale behind this behavior. The need for exclusive grouping of response headers is rare in my experience, and adding headers to the existing stack of tentative response headers is far more commonly what I want. So while this behavior may make sense somewhere, it has not ever done so for me or anyone I have talked to about it.

For us it is simply misbehavior, silent and easy to overlook when making later seemingly unrelated configuration adjustments. It often has security implications when headers you thought were being added to every response are not.

Without that, the header will only be added to success responses 2XX and 3XX, but see the docs for specifics. We usually want security-related headers to be added even to 4XX and 5XX error responses. In some cases that works. That is what I have most recently done. And we can still use native nginx include directives everywhere those are allowed. Directives inherited from an upper level scope say, http block or server blocks are executed before the directives in the location block.

It also has options to set a header only for responses of a certain HTTP content type or status code. Search the excellent pkgs. Apache httpd is still alive and well — actually better than ever. So depending on your situation, you may want to use that instead. Because of its open source release, excellent performance, and wide use, it has provided much-needed competition to Apache and Microsoft IIS.

Thank you, Igor and all other contributors! Let us code and configure defensively, yet also test to avoid being surprised by missing headers. Even better, we can add to our automated test suite to confirm these HTTP response headers appear everywhere we expect, for static files and API endpoints backed by different application servers, and for various success and error responses.

Here is a test adapted from one I put together for one of our clients. It uses JavaScript in Node. It ensures the security headers example I showed at the beginning of this article keeps working, even as we make nginx configuration changes over time:. This can also be extended to ensure that certain headers do not exist, or do not contain details that you do not want exposed:.

Instead of it being unnoticed, my test suite will alert me so I can fix it before it goes into production! Custom Ecommerce. Application Development. Database Consulting. Cloud Hosting. Systems Integration.Ever found yourself wanting to put an application behind a login form, but dreading writing all that code to deal with OAuth 2. Imagine you use nginx to run a small private wiki for your team. At first, you probably start out with adding a wiki user account for each person.

A few months later, as your team and company start growing, you add some server monitoring software, and you want to put that behind a login so only your company can view it. Another month goes by, and you add a continuous integration system, and that comes with GitHub authentication as an option, which seems reasonable since most of your team has GitHub accounts already.

At this point, when someone new joins, you have to create a wiki account for them, add them to the GitHub organization, and give them the shared password for the other system. Surely there must be a better way to integrate all these systems to use a common shared login system! The problem is the wiki is written in PHP, the server monitoring system just ends up publishing a folder of static HTML, and the CI system is written in Ruby which only one person on your team feels comfortable writing.

This module is shipped with nginx, but requires enabling when you compile nginx. This diagram illustrates a request that comes in for the server name stats. First, nginx fires off a sub-request to login. In the diagram above, this is illustrated by the server name login. If the user is not logged in, it needs to know how to get them to log in and set a session cookie.

Everything can be configured via a single YAML file. Here is an example server block that should look similar to your own config. Add the following to your existing server block:.

nginx add request header

All this needs to do is proxy the request to the backend Vouch server. The easiest way to configure Vouch is to have it allow any user that can authenticate at the OAuth server be allowed to access the backend.

nginx add request header

Go ahead and set allowAllUsers: true to enable this behavior, and comment out the domains: chunk. Once you create an account, click Applications in the top menu, and create a new application.

Choose Web as the application platform. Now you can run Vouch! When you reload the nginx config, all requests to stats. For example, in PHP you can access this data using:. Hit us up in the comments, or on Twitter oktadev! He is the author of OAuth 2.

He regularly writes and gives talks about OAuth and online security. He is an editor of several internet specs, and is the co-founder of IndieWebCampa conference focusing on data ownership and online identity.

Aaron has spoken at conferences around the world about OAuth, data ownership, quantified self, and home automation, and his work has been featured in Wired, Fast Company and more. Why Authenticate at the Web Server?

NGINX Security Headers, the right way

Aaron Parecki.Find answers, guides, and tutorials to supercharge your content delivery. This can be defined from within your nginx. The Custom-Header portion corresponds to the name of your response header while the Value portion corresponds to what value you want the header to return.

This directive can be defined either in an HTTP, server, or location block. Once you have specified a custom header in your Nginx configuration file, save your changes and reload the Nginx configuration with the following command. Your custom header should now be active and delivered as a response header. The first method is to check your response headers using Chrome DevTools. To do this, simply open the Chrome DevTools and navigate to the Network panel.

Additionally, you can also use curl to check wether the custom header is being returned. Check out some popular curl examples for a list of ways to use curl.

To check a particular URL's headers use the following command. These custom headers are used for informational purposes so that the client knows wether the asset was delivered by the cache or not.

You can also define specific headers to be used solely for certain files or folders. This will tell the browser not to cache the particular asset s stored at the location defined. Server administrators should be aware of this when modifying their Nginx configuration. Support Find answers, guides, and tutorials to supercharge your content delivery.

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Use nginx to Add Authentication to Any Application

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