Re: Client certificate authentication on tunneling proxy

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So you are trying to connect to port 80 on the server not 443? The SSL host listens to 443 so what do you expect to happen when you connect to port 80 as shown in your test? Have you redirected the port 80 to 443 in your configuration or what? You have also mentioned client certificates so have you tried importing that certificate in some browser and test the connection?


On Thu, Jan 21, 2010 at 12:35 PM, Andrei T <magistrator@xxxxxx> wrote:
Hi,

I am trying to figure out if it is possible to configure Apache (any version) so that it would work as a tunneling proxy for HTTPS servers such that it would also verify the client certificates used to access those servers. The goal is to protect servers on the internal network from unauthorized access (even if the certificate check on the target server fails and connection will be broken).

I tried configuring HTTPS virtual host on Apache so that it accepts proxy tunneling requests and the server starts up fine, but it fails to handle the CONNECT requests. The connection just closes with no error appearing in the apache log.

I used telnet-ssl to connect to Apache and passed the following request:
CONNECT target-server:80 HTTP/1.1
Host: target-server:80

The same worked fine when I connected to Apache through plain HTTP.

The Apache 2.2.8 (OpenSUSE 11.0) config I am using is:

<VirtualHost _default_:443>
       ProxyRequests On
       AllowCONNECT 443 80

       ErrorLog /var/log/apache2/error_log
       TransferLog /var/log/apache2/access_log
       CustomLog /var/log/apache2/ssl_request_log   ssl_combined

       SSLEngine on
       SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL
       SSLCertificateFile /etc/apache2/ssl.crt/server.crt
       SSLCertificateKeyFile /etc/apache2/ssl.key/server.key
</VirtualHost>

Any help would be appreciated.

Thanks,
--
Andrei T

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