Apache刚装好重启出现You don't have permission to access / on this server. 错误的解决办法

# Each directory to which Apache has access can be configured with respect
# to which services and features are allowed and/or disabled in that
# directory (and its subdirectories).
#
# First, we configure the "default" to be a very restrictive set of
# features.
#
<Directory />
Options FollowSymLinks
AllowOverride None
Order deny,allow
Deny from all
</Directory>

<Directory />
Options Indexes FollowSymLinks
AllowOverride None
</Directory>