Re: mod_rewrite ignoring proxy flag

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On Sep 30, 2009, at 12:32 , Alexander Müller wrote:


Hi,

we are having the following RewriteRule entry configured

 RewriteRule ^/(.*)$ https://HOSTNAME/$1 [P]

which generally seems to work, all incoming requests are forwarded to the indicated machine, not as redirect but utilising mod_proxy.

The problem starts to occur when a URL contains a question mark

 /SOMEPATH?/ANOTHERPATH

these URLs do not seem to be proxied through but are actually sent as regular HTTP redirect to the client. I noticed that by separating the question mark - like /SOMEPATH/?/ANOTHERPATH - it doesn't show this behaviour but again works like mod_proxy.

Would anyone have an explanation for this behaviour?

The first thing that comes to mind is that you have a Redirect header being sent by the back-end. Make sure that you have a ProxyPassReverse that matches the initial Proxy request so that redirects are intercepted and fixed up.

In this case, SOMEPATH? is probably getting redirected to SOMEPATH/ index.html?/ANOTHERPATH, for example.

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