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Paul H
Asked: 2011-01-27 03:24:15 +0800 CST

How do I detect mobile devices on IIS so I can redirect them to a mobile-specific site?

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Is there a way in IIS of detecting a user is browsing via a mobile device [maybe by checking their User Agent against a list?] so they can be redirected to a mobile-specific website? Or would this logic have to occur at the application level? Note: All websites involved are HTTPS.

It's IIS 7 running on Windows Sever 2008 R2

windows windows-server-2008 iis-7

4 Answers

  1. Here's a rule you can use in IIS 7.5 with the URL Rewrite 2.0 module installed. 

        <rule name="Mobile Rewrite" patternSyntax="ECMAScript" stopProcessing="true">
    <match url=".*" ignoreCase="true" negate="false" />
    <conditions logicalGrouping="MatchAny" trackAllCaptures="false">
        <add input="{HTTP_USER_AGENT}" pattern="midp|mobile|phone" />
        <add input="{HTTP_X-Device-User-Agent}" pattern="midp|mobile|phone" />
        <add input="{HTTP_X-OperaMini-Phone-UA}" pattern="midp|mobile|phone" />
    </conditions>
    <action type="Redirect" url="http://mysite.mobi" appendQueryString="false" redirectType="Found" />
    </rule>

    Example is copied from http://forums.iis.net/t/1169853.aspx

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  2. Best Answer

    This kind of detection is usually done with a script on a web page, however it's possible to do some URL rewriting on IIS with a third-party software: http://www.isapirewrite.com/

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  3. I think this code doesn't support some symbian phones , palm phones , Zune player and ipod touch browsers.

    example (Zune browser) : Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; XBLWP7; ZuneWP7)

    example (SymbianOS v9.1): User-Agent: Mozilla/5.0 (SymbianOS/9.1; U; [en-us]) AppleWebKit/413 (KHTML, like Gecko) Safari/413

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  4. You can find mobile detection code (based on user agent) for IIS, ASP, ASP.NET and many more on http://detectmobilebrowsers.com/. Here is their suggestion for IIS:

    <?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <system.webServer>
    <rewrite>
      <rules>
        <clear />
        <rule name="MobDedect" stopProcessing="true">
          <match url=".*" ignoreCase="false" />
          <conditions logicalGrouping="MatchAny">
            <add input="{HTTP_USER_AGENT}" pattern="   (android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino" />
            <add input="{HTTP_USER_AGENT}"    pattern="^(1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-)" />
          </conditions>
          <action type="Rewrite" url="http://detectmobilebrowser.com/mobile" />
        </rule>
      </rules>
    </rewrite>
  </system.webServer>
</configuration>
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