You are indeed in the right location. I came across the answer to your problem because I also host a lot of content on my site and do not like people being able to browse directories. I am looking for the line to add to your .htaccess file as I type..
Hopefully I will find it soon..
<@TimeX-NFo> Hey, we used to have to carry our packets to the servers.
<@TimeX-NFo> And it was upstream, both ways.
<@TimeX-NFo|away> You're asking the old dude for help?????