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From Ian Holsman <>
Subject Re: CL for Proxy Requests
Date Fri, 30 Nov 2001 18:34:54 GMT
Ryan Bloom wrote:

> On Friday 30 November 2001 10:24 am, Ian Holsman wrote:
>>Ryan Bloom wrote:
>>>On Friday 30 November 2001 09:55 am, Ian Holsman wrote:
>>>>Ryan Bloom wrote:
>>>>>On Friday 30 November 2001 03:42 am, Eli Marmor wrote:
>>>>>>Chuck Murcko wrote:
>>>>>>>Also if the proxy is dechunking on its client side there will
be no CL
>>>>>>>to send...
>>>>>>This is obvious. But this is already included in the rule: "there
is no
>>>>>>C-L when a filter that may change the size of the response is
>>>>>>onvolved"; After all, chunking is only a particular case of a
>>>>>>I think that we should supply a way (for a programmer) to tell Apache
>>>>>>that a specific filter doesn't change the size of a response. Or
>>>>>>doesn't change the size of specific reponses (using the contexts of
>>>>>>the conf, such as DIRECTORY, etc.). Or the hack that Ryan mentioned.
>>>>>>Because while browsers must support responses without C-L, they depend
>>>>>>on it for some purposes (e.g. the % of download of a file).
>>>>>>Especially in proxies, where the backend site is not aware that the
>>>>>>is removed by a proxy in the middle.
>>>>>The hack is easy to add, and it is safer, I'll try to get to it this
>>>>>weekend if nobody beats me to it.
>>>>I think whats missing is the ability to add a filter on proxied requests.
>>>>something like ProxyAddOutputFilter/ProxyAddInputFilter
>>>You can do that with the regular AddOutputFilter command in the
>>><proxy > block.  I have done this before.
>>not for reverse proxies
>>as you don't specify a proxy block.
> Yeah, but even then, you should be able to use a Location block to add a 
> filter for that URL.

OK.. now I understand the confusion.
I'm talking about adding filters to the actual call made to the other server.
(eg from web server to app) not from client to webserver.

> Ryan
> ______________________________________________________________
> Ryan Bloom
> Covalent Technologies
> --------------------------------------------------------------

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