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roger01

Howto Block all USER_AGENT except a custom one

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Hello, 

I'm trying to have a web page accessible only from inside an android app. I can make the app to provide a custom user agent. For example 
 

Mozilla/5.0 (MyAPP) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36

I need to edit the .htaccess file to deny all visitors, except the one with the "MyAPP" string in its user agent.

I've tried using this:

RewriteCond %{HTTP_USER_AGENT} ^.*MyAPP*$
RewriteRule .* - [L]
RewriteRule .* http://mydomain.com/error.html [R,L]

but i get all traffic sent to error.html, including the one from my app.

What am I missing here?

Thanks!

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With further thought, try commenting the 2nd line out?  It appears (I'm not an HTACCESS expert) to me that your 3rd rule is applying to all cases because the 2nd one if being assigned to the RewriteCond class....

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I'd try this…

 

 

RewriteCond %{HTTP_USER_AGENT} !MyApp
RewriteRule ^.* http://mydomain.com/error.html [R=302] 

 

I think the most critical thing you were missing was the ! at the beginning of the pattern. That ! says "not"… You were matching the string, you needed to match all the ones that don't match the string. I think L is redundant if there's a redirect. And I always do R=302 (or R=301) so I know exactly what type of redirect is being done.

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