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From Yehuda Katz <yeh...@ymkatz.net>
Subject Re: [users@httpd] Proxy HTTPS tunneling
Date Tue, 11 Feb 2014 16:36:15 GMT
In order to use forward proxy, your client must be configured for it - in
which case your client will pass ALL of its traffic through the proxy.
Have you done that?

If that is not what you want, then what you are trying to do is not
possible with Apache.

- Y


On Tue, Feb 11, 2014 at 11:29 AM, Sittampalam, Nagu <
Nagu.Sittampalam@southampton.gov.uk> wrote:

>  It is forward proxy we are trying to setup now  because reverse proxy
> does not work for our backend application which is on IIS and required
>  client certificate information to be passed to the backend.   Can you see
> why the forward proxy configuration is not working?
>
>
>
> Nagu Sittampalam | Security Team Leader , IT Solutions Division |
> Southampton Strategic Services Partnership | Landline: 02380 833012 | Fax:
> 02380 832973 | e-mail Nagu.Sittampalam@southampton.gov.uk | e-mail
> Nagu.Sittampalam@capita.co.uk | post Capita ITS, 1st Floor, One Guildhall
> Square, Above Bar, Southampton, SO14 7FP
> This email and any files transmitted with it are confidential, and may be
> subject to legal privilege, and are intended solely for the use of the
> individual or entity to whom they are addressed.
> If you have received this email in error or think you may have done so,
> you may not peruse, use, disseminate, distribute or copy this message.
> Please notify the sender immediately and delete the original e-mail from
> your system.
>
>
>
> *From:* Yehuda Katz [mailto:yehuda@ymkatz.net]
> *Sent:* 11 February 2014 16:25
> *To:* users@httpd.apache.org
> *Subject:* Re: [users@httpd] Proxy HTTPS tunneling
>
>
>
> Are you trying to set up a Forward Proxy or a Reverse Proxy (explanation:
> http://www.jscape.com/blog/bid/87783/Forward-Proxy-vs-Reverse-Proxy)?
>
>
>
> Your configuration looks like a forward proxy but your email implies that
> you really want a reverse proxy.
>
>
>
> See this part of the HTTPD manual for more about reverse proxy setup:
> http://httpd.apache.org/docs/2.2/mod/mod_proxy.html#forwardreverse
>
> A reverse proxy is activated using the ProxyPass<http://httpd.apache.org/docs/2.2/mod/mod_proxy.html#proxypass>
directive
> or the [P] flag to the RewriteRule<http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html#rewriterule>
directive.
> It is *not* necessary to turn ProxyRequests<http://httpd.apache.org/docs/2.2/mod/mod_proxy.html#proxyrequests>
on
> in order to configure a reverse proxy.
>
>
>
> - Y
>
>
>
> On Tue, Feb 11, 2014 at 7:51 AM, Sittampalam, Nagu <
> Nagu.Sittampalam@southampton.gov.uk> wrote:
>
> Hello
>
>
>
> WE are trying to setup  HTTPS tunnelling to a backend server through
> Apache proxy  but we are finding the client connect but Apache does not
> send through the traffic the backend server.
>
>
>
> The config we have on our Apache proxy  virtual host  is
>
>
>
> <VirtualHost 172.19.1.136:443>
>
>
>
> DocumentRoot "/usr/local/apache2221/htdocs/ibcm/"
>
> ServerName test.testdom.local
>
> ErrorLog logs/ibcm
>
> ServerAdmin webmaster@testdom.local
>
> ProxyRequests On
>
> AllowConnect 443
>
> SSLEngine on
>
> SSLHonorCipherOrder On
>
> SSLProtocol -ALL +SSLv3 +TLSv1
>
> SSLCipherSuite ALL:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM
>
>
>
> SSLCertificateFile "/etc/ssl/crt/ibcm.crt"
>
>
>
> SSLCertificateKeyFile "/etc/ssl/crt/testdom.key"
>
>
>
> SSLCertificateChainFile "/etc/ssl/crt/CA-DOM.crt"
>
>
>
> <proxy *>
>
>    Order deny,allow
>
>    Deny from all
>
> </proxy>
>
>
>
> <ProxyMatch (webssl.testdom.com|192.168.50.100)>
>
>    Order deny,allow
>
>    Allow from all
>
> </ProxyMatch>
>
> </VirtualHost>
>
>
>
> Anybody know what we are not doing correctly.   Also we found Apache would
> not start without us putting in the root certificate. Thought it would not
> need any certificate for tunnelling  so wonder if we have missed something.
>
>
>
>
>
>
>
>
>
> Nagu Sittampalam | Security Team Leader , IT Solutions Division |
> Southampton Strategic Services Partnership | Landline: 02380 833012 | Fax:
> 02380 832973 | e-mail Nagu.Sittampalam@southampton.gov.uk | e-mail
> Nagu.Sittampalam@capita.co.uk | post Capita ITS, 1st Floor, One Guildhall
> Square, Above Bar, Southampton, SO14 7FP
> This email and any files transmitted with it are confidential, and may be
> subject to legal privilege, and are intended solely for the use of the
> individual or entity to whom they are addressed.
> If you have received this email in error or think you may have done so,
> you may not peruse, use, disseminate, distribute or copy this message.
> Please notify the sender immediately and delete the original e-mail from
> your system.
>
>
>
>
>

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