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From Ryan Bloom <>
Subject Re: CL for Proxy Requests
Date Fri, 30 Nov 2001 18:06:26 GMT
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 filter...
> >>
> >>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 C-L
> >>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.


Ryan Bloom
Covalent Technologies

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