SIMULATION -Please open the ip_forward and take effect permanently.
SIMULATION -Configure ssh to allow user harry to access, reject the domain t3gg.com (172.25.0.0/16) to access.
SIMULATION -Configure the ftp to allow anonymously download the directory /var/ftp/pub, and reject the domain t3gg.com to access.
SIMULATION -Shutdown the /root/cdrom.iso under /opt/data and set as boot automatically mount.
SIMULATION -Configure the web server, which can be accessed by http://station.domain30.example.com.
SIMULATION -Configure the web server and implement the virtual host.http://www.domain30.example.com can access the pages under the directory: http://ip/dir/example.html. And make sure, http://station.domain30.example.com can also access the previous content.