Re: Antw: Re: [users@httpd] Rewriting headers

"Brian Hughes '89" <brianvh@xxxxxxxxxxxxxxxxxx> · Mon, 23 May 2005 09:35:17 -0400

I'd say you have it almost 100% correct. The portion that's off is your 

step 2. In my reverse-proxy set-ups, I never use mod_proxy's 

directives. I always use mod_rewrite, since I'm almost always in a 

situation where I need to pass additional information from the 

front-side to the back-side of the proxy. Every time I've tried to do 

this, using ProxyPass to handle the proxy work, it's always executed in 

the wrong order, so now I just use the [P] flag in a RewriteRule.

-Brian

On May 23, 2005, at 03:03 AM, Alexander Mueller wrote:

Good morning Brian,

thanks for your reply. Did I understand your explanation correctly?

  1. Request comes in

  2. Request is not considered as proxy request and hence initially 

not handled by mod_proxy

  3. Request is caught by mod_rewrite

  4. mod_rewrite parses the headers, retrieves the values in question 

by regex and stores them in environment variables

  5. mod_headers modifies the headers upon the env-vars

  6. Apache reverse proxies the request with the modified headers to 

the static upstream server through mod_write and the bottom 

RewriteRule

Thank you,
Alexander

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