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From "Terence M. Bandoian" <tere...@tmbsw.com>
Subject [OT] Using httpd's mod_rewrite with mod_jk
Date Thu, 01 Jul 2010 03:14:50 GMT
Hi, Chris-

Here's an alternative:

   RewriteCond %{HTTP_USER_AGENT} Firefox/
   RewriteCond %{HTTP_USER_AGENT} !Firefox/(3\.0\.19|3\.5\.9|3\.6\.3)($|[^\.0-9])
   RewriteRule .* /bad-browser.jsp [L]

And set the status in the JSP.

By the way, I'm a little confused by the character class in the last pair of alternatives
of second condition. Did you want "not a '.' or digit" or "not (a '.' followed by a digit)"?

-Terence

Christopher Schultz wrote:
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>
> Terrence,
>
> On 6/30/2010 7:55 PM, Terence M. Bandoian wrote:
>   
>> This should redirect to /bad-browser.shtml:
>>
>>    RewriteCond %{HTTP_USER_AGENT} Firefox/
>>    RewriteCond %{HTTP_USER_AGENT}
>> !Firefox/(3\.0\.19|3\.5\.9|3\.6\.3)($|[^\.0-9])
>>    RewriteRule .* /bad-browser.shtml [R=307,L]
>>     
>
> That's an interesting suggestion, but one that will result in one
> request getting a 403 response and then a second getting a 200 response.
> I'd prefer only a single request if possible.
>
>   
>> Looks just about like what you already had though.
>>
>> I'm not sure the substitution is applied with F(orbidden).
>>     
>
> It turns out that when using [F], my ErrorDocument was kicking-in, which
> was then being re-redirected by the RewriteRule, resulting in an endless
> loop that httpd finally terminated, which explains this:
>
>   
>>         RewriteRule .* /bad-browser.shtml [L,F]
>>
>> This gives me a 403 response code, httpd's standard "forbidden" page,
>> and a 500 response code in the access log (looks like a runaway
>> redirect... I'll have to fix that).
>>     
>
> One option would be to set up a pass-through rule like this:
>
> RewriteRule /forbidden.html - [L]
>
> Thanks,
> - -chris
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>   

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