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From "Sharl.Jimh.Tsin" <amoiz.sh...@gmail.com>
Subject Re: [users@httpd] How to prevent mod_proxy from rewriting redirects into absolute URLs?
Date Mon, 19 Nov 2012 09:14:09 GMT
read more @ http://httpd.apache.org/docs/trunk/mod/mod_proxy.html#proxypassreverse

Best regards,
Sharl.Jimh.Tsin (From China **Obviously Taiwan INCLUDED**)

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2012/11/19 Yang Zhang <yanghatespam@gmail.com>:
> (The app server is this: http://gitit.net/README#proxying-to-httpmysite.comwiki)
>
> On Sun, Nov 18, 2012 at 5:55 PM, Yang Zhang <yanghatespam@gmail.com> wrote:
>> This is not an option because the point of my using the proxy in this
>> case is that I need to rewrite the URLs and content (with
>> mod_proxy_html). The app server hosts at / and I need to translate it
>> to a subdirectory /sub.
>>
>> On Sun, Nov 18, 2012 at 5:53 PM, Igor Cicimov <icicimov@gmail.com> wrote:
>>>
>>>
>>>
>>> On Mon, Nov 19, 2012 at 12:38 PM, Yang Zhang <yanghatespam@gmail.com> wrote:
>>>>
>>>> On Sun, Nov 18, 2012 at 3:21 PM, Igor Cicimov <icicimov@gmail.com>
wrote:
>>>> >
>>>> > On Mon, Nov 19, 2012 at 9:48 AM, Yang Zhang <yanghatespam@gmail.com>
>>>> > wrote:
>>>> >>
>>>> >> I have: nginx (port 80) reverse-proxying to apache2 (port 88)
>>>> >> reverse-proxying to a web app (port 5001).
>>>> >>
>>>> >> However, when the web app responds with a redirect like `Location:
>>>> >> /foo`, apache2 rewrites this into `Location:
>>>> >> http://host.com:88/sub/foo`,
>>>> >
>>>> >
>>>> > Yes that's what reverse proxy is all about, it rewrites the Location
>>>> > header
>>>> > using ProxyPassReverseso it doesn't get bypassed in case of backend
>>>> > server
>>>> > redirection.
>>>>
>>>> nginx doesn't do the same rewrite from host.com:88 to host.com - I'd
>>>> also be fine with a solution where nginx does this rewrite as well.
>>>>
>>>> >
>>>> >> even though port 88 is publicly
>>>> >> inaccessible. I'd like it to just redirect to the relative URL
>>>> >> `Location: /sub/foo`.
>>>> >
>>>> >
>>>> > So use a redirect then. Looks like reverse proxy is not applicable for
>>>> > your
>>>> > user case.
>>>>
>>>> What specifically do you mean when you suggest to "use a redirect"?
>>>> Are you suggesting redirecting host.com:88 to host.com?  That's not
>>>> possible because port 88 is not (and should not be) publicly
>>>> reachable.
>>>
>>>
>>> I meant redirecting  /notes/ to the backend using [P] flag if you like
>>> instead of proxying it.
>>>
>>>>
>>>> >
>>>> >>
>>>> >>
>>>> >> Any ideas?
>>>> >>
>>>> >> My apache config (using mod_proxy_http, mod_proxy_html,
>>>> >> mod_substitute):
>>>> >>
>>>> >>       <Location /notes/>
>>>> >>         Allow from all
>>>> >>         ProxyPass http://127.0.0.1:5001/
>>>> >>         SetOutputFilter  proxy-html
>>>> >>         ProxyPassReverse /
>>>> >>         ProxyHTMLURLMap  /   /notes/
>>>> >>         RequestHeader unset Accept-Encoding
>>>> >>         AddOutputFilterByType SUBSTITUTE application/atom+xml
>>>> >>         Substitute "s|127.0.0.1:5001|host.com/notes|"
>>>> >>       </Location>
>>>> >>
>>>> >> Thanks.
>>>> >>
>>>> >> ---------------------------------------------------------------------
>>>> >> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
>>>> >> For additional commands, e-mail: users-help@httpd.apache.org
>>>> >>
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Yang Zhang
>>>> http://yz.mit.edu/
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
>>>> For additional commands, e-mail: users-help@httpd.apache.org
>>>>
>>>
>>
>>
>>
>> --
>> Yang Zhang
>> http://yz.mit.edu/
>
>
>
> --
> Yang Zhang
> http://yz.mit.edu/
>
> ---------------------------------------------------------------------
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>

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