Creating private networks are an important task, but a system administrator also needs to manage the network to make it '''convenient to use''', make it '''safer from unauthorized access''', and '''troubleshoot''' network connectivity problems.

This investigation will expose you to useful "tweaks" and utilities to help accomplish this task. '''Lab 7''' requires that you understand these concepts and have a good general understanding how to use these troubleshooting utilities (like '''netstat''' and '''iptables''').