Assuming its not the file permission have you tried
> <VirtualHost *:80>
> ServerName test
> ServerAlias test
> DocumentRoot /home/user3/public_html/test
> <IfModule mod_fcgid.c>
> SuexecUserGroup test test
> <Directory /home/user3/public_html/test>
> Order Deny,Allow
> Deny from all
> Allow from xxx.xxx.xxx.xxx 127
>Order Allow,Deny
Allow from xxx.xxx.xxx.xxx 127
Deny from all?