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Posted to users@httpd.apache.org by Marc <Ma...@f1-outsourcing.eu> on 2024/02/27 20:47:34 UTC
[users@httpd] working with a reverse proxy
I am having a more or less default setup where I proxy a website with something like this
ProxyPass "https://${proxyhost}/en_gb"
ProxyPassReverse "https://${proxyhost}/en_gb"
ProxyPassReverseCookieDomain "${proxyhost}" "${defaulthost}"
ProxyHTMLURLMap ...
ProxyHTMLURLMap ..
Everything on the default host seems to work quite well and you can navigate all pages that are proxied.
The issue that I have is that the proxied website at some point does an api request to an external host, sending it's hostname. I want it to send the hostname of the defaulthost, not the proxyhost.
What would a best practice of 'informing' the proxyhost about that it is being proxied and it should send the defaulthost hostname?
Should I for instance set headers, and in the proxied website should I check on such headers? (Btw this is php). Or are there other things available like HTTP_X_FORWARDED_FOR
RE: [users@httpd] working with a reverse proxy
Posted by Marc <Ma...@f1-outsourcing.eu>.
> > Should I for instance set headers, and in the proxied website should I
> check on such headers? (Btw this is php). Or are there other things
> available like HTTP_X_FORWARDED_FOR
>
> mod_proxy should add the "X-Forwarded-Host" header (i.e.
> HTTP_X_FORWARDED_HOST in cgi/php) with the value of defaulthost, when
> forwarding the request to proxyhost. This is the default behaviour,
> unless "ProxyAddHeaders off".
>
Thanks Yann! I was looking indeed at the wrong headers, these two are having the correct value.
[HTTP_X_FORWARDED_SERVER]
[HTTP_X_FORWARDED_HOST]
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Re: [users@httpd] working with a reverse proxy
Posted by Yann Ylavic <yl...@gmail.com>.
On Tue, Feb 27, 2024 at 9:49 PM Marc <Ma...@f1-outsourcing.eu> wrote:
>
> Should I for instance set headers, and in the proxied website should I check on such headers? (Btw this is php). Or are there other things available like HTTP_X_FORWARDED_FOR
mod_proxy should add the "X-Forwarded-Host" header (i.e.
HTTP_X_FORWARDED_HOST in cgi/php) with the value of defaulthost, when
forwarding the request to proxyhost. This is the default behaviour,
unless "ProxyAddHeaders off".
Regards;
Yann.
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RE: [users@httpd] working with a reverse proxy
Posted by Marc <Ma...@f1-outsourcing.eu>.
>
>
> >
> > > What would a best practice of 'informing' the proxyhost about that
> it is
> > being proxied and it should send the defaulthost hostname?
> >
> > can try
> >
> https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypreservehost
>
> Proxy only works when I am having ProxyPreserveHost Off, I can't
> change that.
>
>
> What happens when you use ProxyPreserveHost, exactly?
I am getting a 'Content Encoding Error'. I think this proxied web application by default is doing some routing based on host names.
Re: [users@httpd] working with a reverse proxy
Posted by Frank Gingras <th...@apache.org>.
On Tue, Feb 27, 2024 at 5:10 PM Marc <Ma...@f1-outsourcing.eu> wrote:
>
> >
> > > What would a best practice of 'informing' the proxyhost about that it
> is
> > being proxied and it should send the defaulthost hostname?
> >
> > can try
> > https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypreservehost
>
> Proxy only works when I am having ProxyPreserveHost Off, I can't change
> that.
>
>
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> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
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What happens when you use ProxyPreserveHost, exactly?
RE: [users@httpd] working with a reverse proxy
Posted by Marc <Ma...@f1-outsourcing.eu>.
>
> > What would a best practice of 'informing' the proxyhost about that it is
> being proxied and it should send the defaulthost hostname?
>
> can try
> https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypreservehost
Proxy only works when I am having ProxyPreserveHost Off, I can't change that.
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Re: [users@httpd] working with a reverse proxy
Posted by Eric Covener <co...@gmail.com>.
> What would a best practice of 'informing' the proxyhost about that it is being proxied and it should send the defaulthost hostname?
can try https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypreservehost
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