[users@httpd] Remote Forward Proxy Does Not Forward Request after PR 55892 Fix

[Dana Wang <da...@gmail.com>]

Thank you for helping in advance.

The challenge I'm facing is that the remote forward proxy no longer
forwards requests due to relative URL. I have been trying different
configurations in the virtual host to make the URL back to the absolute
form, but have not had any success.

Any recommendation is highly appreciated.

Dana

Re: [users@httpd] Remote Forward Proxy Does Not Forward Request after PR 55892 Fix

[Dana Wang <da...@gmail.com>]

Thanks a lot Yann for writing back so quickly.

Yes to the first question, no to the second.

How does the test patch approach work?

Dana

On Sat, Aug 6, 2016 at 8:53 PM, Yann Ylavic <yl...@gmail.com> wrote:

> On Sun, Aug 7, 2016 at 2:34 AM, Dana Wang <da...@gmail.com> wrote:
> >
> > The challenge I'm facing is that the remote forward proxy no longer
> forwards
> > requests due to relative URL.
>
> You want your proxy to talk https with a forward proxy via a remote
> CONNECT proxy, right?
> Not so common, is your proxy itself a forward proxy which can't
> CONNECT backends directly?
>
> If your proxy is a reverse, I don't see why the backend would need an
> absolute URL.
>
> Otherwise (hence a real forward proxy use case :), maybe the "type" of
> URL could depend on ProxyRequests on/off, since partial URL (off) is
> what a backends expect (though they should also handle absolute
> URLs..) while interoperability issues (PR 55892) have made httpd now
> assume that the origin is a backend (more common) rather than a
> forward proxy (on) like previous behaviour (which used to work with
> most backends handling full URLs..).
>
> Make it depend on current proxy's ProxyRequests on/off looks sensible.
>
> > I have been trying different configurations in
> > the virtual host to make the URL back to the absolute form, but have not
> had
> > any success.
> >
> > Any recommendation is highly appreciated.
>
> I don't think it can be achieved with the current mod_proxy
> implementation, could you apply/test patch(es) possibly?
>
> Regards,
> Yann.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
>
>

Re: [users@httpd] Remote Forward Proxy Does Not Forward Request after PR 55892 Fix

[Yann Ylavic <yl...@gmail.com>]

On Sun, Aug 7, 2016 at 2:34 AM, Dana Wang <da...@gmail.com> wrote:
>
> The challenge I'm facing is that the remote forward proxy no longer forwards
> requests due to relative URL.

You want your proxy to talk https with a forward proxy via a remote
CONNECT proxy, right?
Not so common, is your proxy itself a forward proxy which can't
CONNECT backends directly?

If your proxy is a reverse, I don't see why the backend would need an
absolute URL.

Otherwise (hence a real forward proxy use case :), maybe the "type" of
URL could depend on ProxyRequests on/off, since partial URL (off) is
what a backends expect (though they should also handle absolute
URLs..) while interoperability issues (PR 55892) have made httpd now
assume that the origin is a backend (more common) rather than a
forward proxy (on) like previous behaviour (which used to work with
most backends handling full URLs..).

Make it depend on current proxy's ProxyRequests on/off looks sensible.

> I have been trying different configurations in
> the virtual host to make the URL back to the absolute form, but have not had
> any success.
>
> Any recommendation is highly appreciated.

I don't think it can be achieved with the current mod_proxy
implementation, could you apply/test patch(es) possibly?

Regards,
Yann.

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
For additional commands, e-mail: users-help@httpd.apache.org