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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: [OT] Using httpd's mod_rewrite with mod_jk
Date Thu, 01 Jul 2010 01:15:00 GMT
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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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