How does url rewriting work




















The URL-rewrite module is not extensible in its current version. NET routing is fully extensible and customizable. Improve this answer. Haacked Haacked Do you want formatted urls to be a factory for spawning pages? DevelopingChris DevelopingChris Original ideas: no file extns, search engine friendly, hackable urls. I like the idea of spawning new pages too. I agree whole heartedly, on less 3rd party, the catch is, "as much as we can" and iis 7 is usually harder to sell, than a dll for iis 6 boxes, at least with my clients — DevelopingChris.

Community Bot 1 1 1 silver badge. Dale Ragan Dale Ragan 18k 3 3 gold badges 52 52 silver badges 70 70 bronze badges. Norge Norge 2 2 silver badges 10 10 bronze badges. Is there a URL which gives a good overview or example of this? Cheeso Cheeso k 95 95 gold badges silver badges bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook.

Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Explaining the semiconductor shortage, and how it might end. URL rewrites are also extremely useful when the server structure is changed and resources are moved from one folder to another. In this situation, a sysadmin will simply rewrite the part the user-friendly URL is pointing to.

Basically, since the resource was moved, it will have a different location, therefore, a rewrite is needed to point wiredelta. This is not to be confused with Redirect functions which occur when a resource was replaced by a different resource. Unlike URL rewrites, a redirect is a client-side action, not a server-side.

This happens behind the scenes, and the user is unaware of it. In comparison, a redirect happens when the resource no longer exists.

For example, imagine a user wants to access wiredelta. Instead, the user is redirected to wiredelta. A very simple redirect rule will take care of that:. But if you want your site to be easily discoverable and more user friendly, you probably would not want to return response to visitors who came over unsecure HTTP connection.

Instead you would want to redirect them to the secure equivalent of the URL they have requested. If you do not want to do that, then you can create two web sites in IIS — one with http binding and another with https binding — and then add this rule to the web.

HTTP status code means that the server is currently unable to handle the request due to maintenance. This status code implies that the outage is temporary, so when search engine crawler gets HTTP response from your site, it will know not to index this response, but instead to come back later.

But what if you are doing maintenance to a certain location of the web site and you do not want to shut down the entire site because of that? Image Hotlinking is the use of an image from one site into a web page belonging to a second site. Unauthorized image hotlinking from your site increases bandwidth use, even though the site is not being viewed as intended.

There are other concerns with image hotlinking, for example copyrights or usage of images in an inappropriate context. For example, you have an intranet web server and you want to expose its content over internet. To enable that you will need to perform the following configuration steps on the server that will act as a proxy:. Instead it will pass the request to Application Request Routing module, which will proxy that request to the URL specified in the rule.

The rule in previous tip always uses non-secure connection to the internal content server. In many cases this may be exactly what you want to do. But sometimes it may be necessary to preserve the secure connection all the way to the content server.

So the rewrite rule must be written in such a way so that it can extract the query string parameters independently of their relative order in the query string. The following rule shows an example of how two different query string parameters are extracted from the query string and then used in the rewritten URL:.

With this rule, when request is made to page. Parameters p1 and p2 can be in any order in the original query string. NET-based web applications very often make requests to WebResources. There is no such file exists on the server because ASP. NET generates the content dynamically when WebResources. What a great collection of useful, day to day snippets. Thanks, I am trying to implement the opposite of 3.

In my case I want the www. I assume you are using regex and not wildcards. I cannot get it to work. We have redirected. In the URL Rewrite Module, a rewrite rule is defined by specifying four required pieces of information: Name of the rule. Pattern to use for matching the URL string. Optional set of conditions. Action to perform if a pattern is matched and whether all conditions checks succeed. Naming a rule In the Name text box, enter a name that will uniquely identify the rule, for example: "Rewrite to article.

Defining an action Since the rule that we are creating is supposed to rewrite the URL, choose the Rewrite action type that is listed in the Action group box. In the Rewrite URL: text box, enter the following string: article.

The Edit Inbound Rule property page should look like the following page: Save the rule by clicking Apply on the right-hand side. Viewing the rewrite rule in configuration file The rewrite rules are stored either in the ApplicationHost. Within the Edit Rule page, enter the following: Name: Redirect from blog This is a unique name for the rule. Action: Redirect The redirect action will cause a redirect response to be sent back to the browser.

Enter the name, pattern, and action as shown below: Enter the redirect URL as shown below: Leave default values for all other settings. Creating an access block rule The third rule that we will create is used to block all requests made to a Web site if those requests do not have the host header set. The unsuccessful display will be the following: The successful display will be the following: Summary In this walkthrough, you have learned how to configure URL rewrite rules by using IIS manager or by manually editing Web.



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