filtering of proxy response

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Hi,

The deflate filter does not seem to have any effect on the content fetched
from
an origin server when Apache is configured as a proxy. Look at the code, the

proxy module does seem to have an output filter chain. However, what the
user
agent received is the clear text, even though the deflate output filter has
been
turned on for the proxy. Can some one explain why?

Thanks,
Steven Zhou


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Hi,

The deflate filter does not seem to have any effect on the content fetched from

an origin server when Apache is configured as a proxy. Look at the code, the

proxy module does seem to have an output filter chain. However, what the user

agent received is the clear text, even though the deflate output filter has been

turned on for the proxy. Can some one explain why?

Thanks,

Steven Zhou

Re: filtering of proxy response

Hi Steven,
Thanks for using the list.
there are a couple of questions I have about your configuration, and
what you are expecting to see.


1. is the server you are proxying for capable of compressing the
information (ie.. does IT have gzip compression)
2. are you trying to get the proxy server to do the compression
3. what kind of config are you using to add deflate to the filter chain

TIA
Ian

Steve Zhou wrote:

> Hi,
>
> The deflate filter does not seem to have any effect on the content
> fetched from
> an origin server when Apache is configured as a proxy. Look at the
> code, the
> proxy module does seem to have an output filter chain. However, what
> the user
> agent received is the clear text, even though the deflate output
> filter has been
> turned on for the proxy. Can some one explain why?
>
> Thanks,
> Steven Zhou
>

>

RE: filtering of proxy response

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Ian,

Thanks for the response. See below for my answers to your questions.

> -----Original Message-----
> From: Ian Holsman [mailto:ianh@apache.org]
> Sent: Wednesday, October 30, 2002 1:25 PM
> To: modproxy-dev@apache.org
> Subject: Re: filtering of proxy response
>
>
>
> Hi Steven,
> Thanks for using the list.
> there are a couple of questions I have about your configuration, and
> what you are expecting to see.
>
>
> 1. is the server you are proxying for capable of compressing the
> information (ie.. does IT have gzip compression)
Some are, and some are not. The idea is to setup a forward compression proxy
server
so that the content fetched from remote sites will be compressed before it
is delivered
to the client agent.


> 2. are you trying to get the proxy server to do the compression
Yes.

> 3. what kind of config are you using to add deflate to the
> filter chain
I have tried both of
AddOutputFilter DEFLATE html
and
SetOutputFilter DEFLATE.
I did one at a time, though.

>
> TIA
> Ian
>
> Steve Zhou wrote:
>
> > Hi,
> >
> > The deflate filter does not seem to have any effect on the content
> > fetched from
> > an origin server when Apache is configured as a proxy. Look at the
> > code, the
> > proxy module does seem to have an output filter chain.
> However, what
> > the user
> > agent received is the clear text, even though the deflate output
> > filter has been
> > turned on for the proxy. Can some one explain why?
> >
> > Thanks,
> > Steven Zhou
> >
>
> >
>

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Ian,

Thanks for the response. See below for my answers to your questions.

> -----Original Message-----

> From: Ian Holsman []

> Sent: Wednesday, October 30, 2002 1:25 PM

> To: modproxy-dev@apache.org

> Subject: Re: filtering of proxy response

>

>

>

> Hi Steven,

> Thanks for using the list.

> there are a couple of questions I have about your configuration, and

> what you are expecting to see.

>

>

> 1. is the server you are proxying for capable of compressing the

> information (ie.. does IT have gzip compression)

Some are, and some are not. The idea is to setup a forward compression proxy server

so that the content fetched from remote sites will be compressed before it is delivered

to the client agent.

> 2. are you trying to get the proxy server to do the compression

Yes.

> 3. what kind of config are you using to add deflate to the

> filter chain

I have tried both of

        AddOutputFilter DEFLATE html

and

        SetOutputFilter DEFLATE.

I did one at a time, though.

>

> TIA

> Ian

>

> Steve Zhou wrote:

>

> > Hi,

> >

> > The deflate filter does not seem to have any effect on the content

> > fetched from

> > an origin server when Apache is configured as a proxy. Look at the

> > code, the

> > proxy module does seem to have an output filter chain.

> However, what

> > the user

> > agent received is the clear text, even though the deflate output

> > filter has been

> > turned on for the proxy. Can some one explain why?

> >

> > Thanks,

> > Steven Zhou

> >

>

> >

>