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From Jacob Champion <>
Subject Re: 2.4.23 broke an FCGI corner case (Re: [Bug 59815])
Date Mon, 08 Aug 2016 19:20:09 GMT
On 07/08/2016 01:21 PM, Jacob Champion wrote:
> The root cause appears to be (at least to me) that the proxy URL
> canonicalization step does not run when a per-directory rewrite is used.
> Instead, mod_rewrite simply hardcodes r->filename to include the query
> string. With a server-context rewrite, the canonicalization step is
> invoked correctly, which lets mod_proxy_fcgi remove the query string and
> set PATH_INFO.
> The question is, why the difference? Is this done on purpose? It's not
> just an FCGI problem; for example, HTTP proxy canonicalization doesn't
> run correctly in per-directory rewrites either. It runs correctly in
> server-context rewrites.

Following up on this... There's a workaround patch that has been 
backported, but I'd still like to know why this is happening. Are there 
any other bugs that can show up if the proxy canonicalization doesn't 


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