Originally Posted by The_JinJ
True...but better than nowt I guess
But only slightly. IIRC, 7.2 uses ipchains and iptables are the default nowadays. You'll probably also find that since 7.2 was ceased to be supported there have been security holes found that can only be resolved by going into each file and replacing it manually with a more up to date version.
Far better to install CentOS or Fedora and use that to learn.