В конфиге:
<VirtualHost *:80>
ServerName a.b.c
DocumentRoot /srv/root
Action actionhandler /actionhandler
SetHandler actionhandler
<Directory /srv/root>
Order allow,deny
Allow from all
Options +ExecCGI +Indexes
DirectoryIndex /actionhandler
</Directory>
</VirtualHost>
[Mon Oct 25 15:27:52 2010] [error] [client 1.2.3.4] Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace.