[squid-users] Does squid generates/adds additional HTTP headers?

[Sonya Roy]

As Alex mentioned its not possible to do with squid. I modified the squid
source code to do this a month ago. Its not hard to do, you will only need
to modify http.cc and client_side.cc a bit.

On Tue, Jul 11, 2017 at 9:42 PM, Alex Rousskov <
rousskov at measurement-factory.com> wrote:

> On 07/10/2017 05:52 PM, avi_h wrote:
>
> > I'm trying to get squid to use the same headers as it received (to make
> it
> > more transparent)
>
> To improve your chances of arriving at a usable solution (or quickly
> abandoning a futile search), I suggest detailing/narrowing your goal:
> "Make it more transparent" to whom and in what way? What specific
> problems are you trying to solve? For example:
>
> * Do you want to configure Squid to become invisible to a knowledgeable
> human observer?
>
> * Do you want to configure Squid to make some server(s) think that the
> request is coming directly from a user agent (e.g., browser)? What do
> those servers use to detect proxies now?
>
> Etc. etc. You probably know exactly what you need to achieve. Narrow it
> down for us as much as possible.
>
>
> > After looking up online I configured the following:
> >
> > request_header_access Cache-Control deny all
>
> Denying general-purpose headers makes no sense if you want Squid to
> forward as many original headers as possible. Yes, Squid may generate
> new Cache-Control headers but that does not mean that Squid does not
> forward client Cache-Control headers as well. The task of preserving
> original headers may feel trivial to you, but the actual complexity of
> what you are asking is one of the reasons we need you to come up with a
> narrower goal.
>
>
> > Is there any way to have squid generate the exact same headers as it
> > received?
>
> No. However, you probably do not actually need that. You probably need
> something else that Squid may be able to do (with or without code
> modifications).
>
> Alex.
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