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Reply to topic   Topic: apache reverse proxy give me 404 error
Author
lavaz



Joined: 21 Mar 2014
Posts: 3

PostPosted: Fri 21 Mar '14 13:38    Post subject: apache reverse proxy give me 404 error Reply with quote

Hi!!!

I need to get working an apache2 in suse 11 as reverse proxy with a vendor's web page and it is not working. This is what happens:

I load the page through the reverse proxy and i can see: http://192.168.1.10/cgi-bin/design/html_template/login.html
2. Then i write user and password
3. I press the login button and i should see:
http://192.168.1.10/cgi-bin/design/html_template/login.cgi
http://192.168.1.10/cgi-bin/design/html_template/webviewer.cgi

but instead of that i see:

404 Not Found
The requested URL /error/HTTP_BAD_GATEWAY.html.var was not found on this server.

What is wrong?
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7355
Location: Germany, Next to Hamburg

PostPosted: Fri 21 Mar '14 17:41    Post subject: Reply with quote

How did you set up your reverse proxy?
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lavaz



Joined: 21 Mar 2014
Posts: 3

PostPosted: Fri 28 Mar '14 16:16    Post subject: Reply with quote

Sorry i could not answer before.

This is how i have configured the apache:

NameVirtualHost cam.fsap.com
<VirtualHost cam.fsap.com>

ServerName cam.fsap.com
ServerAlias cam.fsap.com
ProxyRequests On

ProxyPass / http://192.168.1.10
# ProxyPassReverse / https://192.168.1.10


DocumentRoot "/srv/www/htdocs"
ServerAdmin weba@fsap.com
ErrorLog /var/log/apache2/error_log
TransferLog /var/log/apache2/access_log
SSLEngine on
SSLProxyEngine on
SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL

SSLCertificateFile /etc/apache2/ssl.crt/fsap.com.crt
SSLCertificateKeyFile /etc/apache2/ssl.key/fsap.com.key
SSLCACertificatePath /etc/apache2/ssl.crt/
SSLCACertificateFile /etc/apache2/ssl.crt/SSL_CA_Bundle.pem

CustomLog /var/log/apache2/ssl_request_log ssl_combined
</VirtualHost>
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7355
Location: Germany, Next to Hamburg

PostPosted: Fri 28 Mar '14 17:01    Post subject: Reply with quote

I wonder why you commented out the ProxyPassReverse
How ever, could you present an url that is a 404?


Do you use Apache 2.2 or 2.4 ? if you use 2.4 you can also use mod_proxy_html to correct the wrong path in the HTML if there is something wrong.
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lavaz



Joined: 21 Mar 2014
Posts: 3

PostPosted: Mon 07 Apr '14 15:57    Post subject: Reply with quote

Hi,

The ProxyPassReverse is commented because of a test i made. Now it is uncommented again.

I use Apache 2.2

Regards.
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jraute



Joined: 13 Sep 2013
Posts: 188
Location: Rheinland, Germany

PostPosted: Mon 07 Apr '14 16:21    Post subject: Reply with quote

lavaz wrote:

<VirtualHost cam.fsap.com>

ServerName cam.fsap.com
ServerAlias cam.fsap.com
ProxyRequests On

ProxyPass / http://192.168.1.10
# ProxyPassReverse / https://192.168.1.10


DocumentRoot "/srv/www/htdocs"
ServerAdmin weba@fsap.com
ErrorLog /var/log/apache2/error_log
TransferLog /var/log/apache2/access_log
SSLEngine on
SSLProxyEngine on
SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL

SSLCertificateFile /etc/apache2/ssl.crt/fsap.com.crt
SSLCertificateKeyFile /etc/apache2/ssl.key/fsap.com.key
SSLCACertificatePath /etc/apache2/ssl.crt/
SSLCACertificateFile /etc/apache2/ssl.crt/SSL_CA_Bundle.pem

CustomLog /var/log/apache2/ssl_request_log ssl_combined
</VirtualHost>


1) Having ProxyRequests On is surely not useful if you want a reverse proxy.
It should be ProxyRequests Off.

2) You always need a ProxyPass and a ProxyPassReverse -Path

3) You should not mix http and https (have a look a what you typed)

4) Try to start without the SSLEngine/SSLProxyEngine !

Best Greetings
JR
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