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mod_rewrite: redirect if Trident

Posted on 2014-03-12
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Last Modified: 2014-03-14
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} "MSIE [6-8]" [NC]
RewriteRule ^(.*)$ http://mysite.com/ie [R=301,L]

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That works on some versions of Internet Explorer but not others.  Some versions of Internet Explorer identify themselves as as Mozilla!

Here is an example:
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/5.0)

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Is there a way to form a Rewrite Condition to apply if the word: "Trident" occurs in the user agent definition?
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Question by:hankknight
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3 Comments
 
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David S. earned 2000 total points
ID: 39924299
They all identify themselves as Mozilla, as do most other web browsers. Older versions just say "Mozilla/4.0" instead of "Mozilla/5.0". I recommend you read Lest We Forget (Or How I Learned What’s So Bad About Browser Sniffing).

Are you sure that you want to redirect all versions of IE? Are you using the X-UA-Compatible header to force newer versions to use compatibility modes? Wouldn't it be easier to fix the compatibility issues than to make and maintain two different copies of each page?
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by:hankknight
ID: 39926338
Yes, I understand what I want.  How can I detect "Trident"?
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by:David S.
ID: 39926787
Then would you help us to understand why you want that?
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