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References: <56E05903.9030309@geeq.de>
From: Sven Seeberg <sven@geeq.de>
Message-ID: <56E0BD3D.3030005@geeq.de>
Date: Thu, 10 Mar 2016 01:18:05 +0100
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Subject: Re: [users@httpd] mod_substitute / mod_sed with Apache 2.4.7 (Ubuntu
 14.04)

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mod_deflate still running on the backend server (I thought I had
disabled it) and a missing AddOutputFilterByType were responsible.
Problem solved.

Am 09.03.2016 um 18:10 schrieb Sven Seeberg:
> Hi everybody,
>
> I'm having a problem with mod_substitute or mod_sed while using one
> apache2 (Ubuntu 14.04) as a proxy and load balancer.
>
> The connection between proxy and backend is not encrypted, therefore th=
e
> backend delivers only non-https links with the backend FQDN. Those have=

> to be replaced by the corresponding proxy FQDN.
>
> On the documentation page
> (https://httpd.apache.org/docs/2.4/mod/mod_substitute.htm) is an exampl=
e
> for this specific use case. However it does not work for me and I canno=
t
> find the reason. mod_deflate is not enabled.
>
> For testing purposes I created an index.html with the content "asdf" in=

> the DocumentRoot. The content is also not replaced. Can anyone give me =
a
> hint on how to further debug this problem? Could this problem be
> specific for the Ubuntu package / dependent on a compiling parameter?
>
> ### site config ###
>
> <Virtualhost *:443>
>         ServerName www.somedomain.tld
>         DocumentRoot /var/www/redirect
>
>         SSLEngine On
>         SSLCertificateFile /etc/letsencrypt/live/somedomain.tld/cert.pe=
m
>         SSLCertificateChainFile
> /etc/letsencrypt/live/somedomain.tld/chain.pem
>         SSLCertificateKeyFile
> /etc/letsencrypt/live/somedomain.tld/privkey.pem
>
>         ProxyPass /wordpress_test/
> http://backend.somedomain.tld/wordpress_test/
>         ProxyPassReverse /wordpress_test/
> http://backend.somedomain.tld/wordpress_test/
>
>         <Location />
>                 Substitute
> "s|http://backend.somedomain.tld/|https://www.somedomain.tld/|i"
>                 Substitute "s|asdf|jkl|i"
>                 Substitute
> "s|http://backend.somedomain.tld/|https://www.somedomain.tld/|"
>         </Location>
>
> </VirtualHost>
>
> ### end site config ###
>
> Cheers
> Sven
>
>


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