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Full Discussion: Apache mod_proxy +DNS slow response problem
Special Forums IP Networking Apache mod_proxy +DNS slow response problem Post 302197361 by donaldfung on Tuesday 20th of May 2008 11:40:57 PM
Old 05-21-2008
Apache mod_proxy +DNS slow response problem
My company has a private network, including a Apache web server (Linux) and some WinXP machines. The web server had been configured to use mod_proxy to connect to window update site via another company proxy server. It works for few years.

Recently, some parties had setup a DNS server on the Linux box. After that, the winupdate performance is much slower than before (5 times slower). I suspect that the Apache resolves the microsoft domain thought the local DNS server but not by the company proxy server.

How can I check this? Thanks.

Here is the httpd.conf config:

Code:
ProxyRequests On
ProxyVia On

ProxyRemote ftp://company.com/ ftp://company.com
ProxyRemote * http://proxy.company.com:8080
NoProxy intranet.company.com 10.x.x.x/24

<Directory proxy:*>
Order deny,allow
Deny from all
Allow from none
</Directory>

<Directory proxy:*.microsoft.com/*>
Order deny,allow
Deny from none
Allow from all
</Directory>

<Directory proxy:*windowsupdate.microsoft.com*>
Order deny,allow
Deny from none
Allow from all
</Directory>

<Directory proxy:*update.microsoft.com*>
Order deny,allow
Deny from none
Allow from all
</Directory>

....
....

 

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LEARN ABOUT SUSE

apache

apache(1M)                                                System Administration Commands                                                apache(1M)

NAME

       apache - Apache hypertext transfer protocol server overview

DESCRIPTION

        apache  consists  of a main server daemon, loadable server modules, some additional support utilities, configuration files, and documenta-
       tion.

FILES

       The apache HTTPD server is integrated with Solaris.

       The following files specify the installation locations for apache:

       /etc/apache             Contains server configuration files.

                               A newly-installed server must be manually configured before use. Typically this involves copying httpd.conf-example
                               to the httpd.conf file and making local configuration adjustments.

       /usr/apache/bin         Contains the httpd executable as well as other utility programs.

       /usr/apache/htdocs      Contains  the  Apache  manual  in HTML format. This documentation is accessible by way of a link on the server test
                               page that gets installed upon fresh installation.

       /usr/apache/include     Contains the Apache header files, which are needed for building various optional server extensions with apxs(8)

       /usr/apache/jserv       Contains documention for the mod_jserv java servlet module. Documention can be read with a web  browser  using  the
                               url:

                               file:/usr/apache/jserv/docs/index.html

       /usr/apache/libexec     Contains loadable modules (DSOs) supplied with the server. Any modules which are added using apxs(8)are also copied
                               into this directory.

       /usr/apache/man         Contains man pages for the server, utility programs, and mod_perl.

                               Add this directory to your MANPATH to read the Apache man pages. See NOTES.

       /usr/apache/perl5       Contains the modules and library files used by the mod_perl extension to Apache.

       /var/apache/cgi-bin     Default location for the CGI scripts.

                               This can be changed by altering the httpd.conf file and restarting the server.

       /var/apache/htdocs      Default document root.

                               This can be changed by altering the httpd.conf file and restarting the server.

       /var/apache/icons       Icons used by the server.

                               This normally shouldn't need to be changed.

       /var/apache/logs        Contains server log files.

                               The formats, names, and locations of the files in this directory can be altered by various configuration directives
                               in the httpd.conf file.

       /var/apache/proxy       Directory used to cache pages if the caching feature of mod_proxy is enabled in the httpd.conf file.

                               The location of the cache can also be changed by changing the proxy configuration in the httpd.conf file.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWapchr                    |
       +-----------------------------+-----------------------------+
       |                             |SUNWapchu                    |
       +-----------------------------+-----------------------------+
       |                             |SUNWapchd                    |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

       http://www.apache.org

NOTES

       In addition to the documentation and man pages included with Solaris, more information is available at http://www.apache.org

       The  Apache  man pages are provided with the programming modules. To view the manual pages for the Apache modules with the man command, add
       /usr/apache/man to the MANPATH environment  variable. See man(1) for  more information. Running catman(1M) on the Apache  manual  pages  is
       not supported.

SunOS 5.10                                                          8 Aug 2000                                                          apache(1M)
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