does disabling this option /really/ improve security?

On Fri, Mar 12, 2010 at 9:41 AM, Brad Tilley <b...@16systems.com> wrote:
> When ran against default OpenBSD servers that have Apache enabled,
> vulnerability assessment software (Nessus, Rapid7, etc.) complain about
> "browesable web directories". The concern is that someone may
> accidentally place inappropriate files in the web directories that will
> then be visible to others. Would it be a good idea to remove the Indexes
> option from httpd.conf? Admins may enable the option later if they like:
>
> # cvs diff -Nup httpd.conf
> Index: httpd.conf
> ===================================================================
> RCS file: /cvs/src/usr.sbin/httpd/conf/httpd.conf,v
> retrieving revision 1.26
> diff -N -u -p httpd.conf
> --- httpd.conf  3 Jun 2009 18:28:21 -0000       1.26
> +++ httpd.conf  12 Mar 2010 17:39:06 -0000
> @@ -396,7 +396,7 @@ DocumentRoot "/var/www/htdocs"
>  # Note that "MultiViews" must be named *explicitly* --- "Options All"
>  # doesn't give it to you.
>  #
> -    Options Indexes FollowSymLinks
> +    Options FollowSymLinks
>
>  #
>  # This controls which options the .htaccess files in directories can
> @@ -601,7 +601,7 @@ CustomLog logs/access_log common
>  Alias /icons/ "/var/www/icons/"
>
>  <Directory "/var/www/icons">
> -    Options Indexes MultiViews
> +    Options MultiViews
>     AllowOverride None
>     Order allow,deny
>     Allow from all

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