WEBSERVER(1)                   mrtg                  WEBSERVER(1)



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       webserver - hints for web server configuration

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       If you want people to actually see the results of your
       network monitoring efforts you will need a webserver.

       This document lists some configuration hints for web-
       servers. Contributions welcome.

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       A big issue with mrtg monitoring data is the expiery time.
       All these nice graphs you can create are only valid for a
       short time.  If you do not take special action some web-
       browsers will not notice this and you may end up with peo-
       ple seeing old data because of caching issues.

       The apache module mod_expire allows you to setup special
       expiery properties for individual file.

       Here is an example for how this may look for an mrtg web
       directory.  The configuration directives can be stored
       into a _._h_t_a_c_c_e_s_s file.

        ############################################################
        # Example .htaccess for use with apache-1.2 and mod_expire.
        # (mod_expire come with apache-1.2 but you have to explicitly
        # activate it when compiling the httpd ...)
        #############################################################
        #
        <Files "*-day.png">
        ExpiresActive On                  # enable expirations
        # five minutes
        ExpiresDefault M300
        </Files>

        <Files "*-week.png">
        ExpiresActive On
        ExpiresDefault M1800
        </Files>

        <Files "*-month.png">
        ExpiresActive On
        ExpiresDefault M7200
        </Files>

        <Files "*-year.png">
        ExpiresActive On
        ExpiresDefault M86400
        </Files>

        <Files "*.html">
        ExpiresActive On
        ExpiresDefault M300
        </Files>

        # index.html is not automatically generated
        <Files "index.html">
        ExpiresActive Off
        </Files>


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2001-06-05                    2.9.17                 WEBSERVER(1)