Szerintem az alabbi epp erre valo:
http://httpd.apache.org/docs/2.0/mod/core.html#options
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Options Directive
Description: Configures what features are available in a particular directory
Syntax: Options [+|-]option [[+|-]option] ...
Default: Options All
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Indexes
If a URL which maps to a directory is requested, and there is no DirectoryIndex (e.g., index.html) in that directory, then mod_autoindex will return a formatted listing of the directory.
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Szoval:
Options -Indexes
Zsiraf