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Url rewrite download how to#
Url rewrite download series#

Rewrite all responses from the backend server, so that any hyperlinks, form action tags and such are constructed with the URL that the IIS reverse proxy server has.īelow is the diagram of the setup we wish to accomplish using IIS as a reverse proxy server:.

Route these requests to the backend application server using HTTP.

Take in requests from the end users for content from this application using SSL.

We want IIS to perform the following tasks: Scenario: Setting up IIS with URL rewrite as a reverse proxy with SSL offloading for a backend service.ĭetails: suppose that we have a web-application hosted on one of our backend web-servers, IIS or another web server, and that this application server cannot be configured to use SSL and is not accessible to the end users because the end users do not have access to the network the server is on.

Url rewrite download how to#

There are a lot of articles on how to use IIS and URL Rewrite as a reverse proxy, but I have found that many are incomplete with regards to real world scenarios from today’s web applications. A reverse proxy is a network device that takes in traffic coming from the Internet (for example), and forwards this traffic to a backend server on your private network, allow that backend server to be accessible to people who are not necessarily connected to your network. The server can deal with the issue of compressed responses coming out of the backend web-application by disabling the accept-encoding headers, and is able to modify content coming back from the backend web-application even if this content is JavaScript encoded and contains anchor tags or action attributes on form elements.įinally, h ere is the excerpt of the configuration for url-rewrite in the web.Application Request Routing, one of the many modules that can be added on to the IIS web-server to make this a very versatile tool can be used to perform a variety of tasks, including allowing you to setup your IIS web-server as a reverse-proxy server to some other back-end HTTP service. We now have an IIS web-server that uses URL Rewrite to act as a reverse proxy. Once you have pressed the Apply action link on the right-hand side pane, the rule is saved and the configuration is now applied. To do this, click on the \’ where you will need to replace with the IIS server URL accessible to your users. Since JavaScript encoded content is text/application-javascript, the easiest way to work around this limitation is to change the precondition to match responses with the content type of type text/* - text followed by slash anything. This precondition matches any responses coming from the back-end server that have the response content type set to text/html. If you click on the ‘Edit’ button next to the ResoponseIsHtml1 precondition, we can see the configuration of the precondition.

Url rewrite download series#

If we look at the ‘ReverseProxyOutboundRule1’ in the rules section of URL Rewrite, rule which was created in the Reverse Proxy wizard we ran in part 1 of this blog series and we check the Preconditions associated with this rule, we will see that a precondition was created during the Reverse Proxy setup wizard, the precondition is called ResponseIsHtml1. Note the \ (inverted slash) before each of the values of the href and action attributes.

Below are examples of such snippets of code:

This content might include such things as Anchor tags, or form tags which have action attributes. More and more applications send content to the browser in the form of JavaScript encoded content, which the JavaScript running in the page that has requested the content then integrates into the DOM (Document Object Model) of the page. Check out part 1 and part 2 before reading on.Ĭonfiguring outbound rules for Javascript encoded content. This is the third part of the article series dealing with IIS using URL rewrite as a reverse proxy for real world apps.