Hi.
I have a frustrating problem, which I'm not quite able to debug properly.
I have a webserver running Apache 2.2.21 compiled as worker-MPM with a
suhosin 0.9.32.1-enabled PHP 5.2.17 (using "phpize", not patching)
under suphp 0.7.1, with mod_security 2.6.1 and modsecurity_crs 2.2.1
plus modsecurity_flameeyes.
Some virtualhosts on this server are configured with mod_disk_cache,
and every once in a while, instead of loading index.php, the list of
files in the directory is loaded instead. If I disable mod_disk_cache,
everything works as expected. It also appears to work as expected with
mod_mem_cache. I want to use disk caching, however, as that seems to
be the better solution.
Reproducing the bug is a bit of a PITA, as the bug appears apparently
at random, and only rarely.
It appears as if <IfModule mod_suphp.c> or <IfModule dir_module>
fails, since DirectoryIndex does not contain index.php unless both of
these tests succeeds.
Has anyone seen similar problems?
Here is an example of a bugging virtualhost config:
<VirtualHost CENSORED:80>
ServerAdmin CENSORED
ServerName CENSORED
SuexecUserGroup CENSORED CENSORED
DocumentRoot CENSORED
<IfModule mod_cache.c>
<IfModule !mod_disk_cache.c>
LoadModule disk_cache_module modules/mod_disk_cache.so
</IfModule>
<IfModule mod_disk_cache.c>
CacheEnable disk /
CacheRoot /var/cache/apache2/caches/2va0Vx98
CacheMinFileSize 64
CacheMaxFileSize 500000
</IfModule>
</IfModule>
<IfModule mod_suphp.c>
<IfModule dir_module>
DirectoryIndex index.cgi index.php index.shtml index.html
index.htm index.wml index.pdf
</IfModule>
SetEnv PHPRC /usr/local/php5.2-suphp/lib/
suPHP_Engine on
suPHP_ConfigPath /usr/local/php5.2-suphp/lib/
suPHP_UserGroup CENSORED CENSORED
AddHandler x-httpd-php .php
AddHandler x-httpd-php .php5
<Directory />
suPHP_AddHandler x-httpd-php
</Directory>
</IfModule>
</VirtualHost>
Replacing the caching section with the following seems to work nicely:
<IfModule mod_cache.c>
<IfModule !mod_mem_cache.c>
LoadModule mem_cache_module modules/mod_mem_cache.so
</IfModule>
<IfModule mod_mem_cache.c>
CacheEnable mem /
MCacheSize 4096
MCacheMaxObjectCount 1009
MCacheMaxObjectSize 500000
</IfModule>
</IfModule>
--
Jan
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