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===Purpose / Objectives of Lab 6===
In this lab, you will learn the basics of networking by using your '''Virtual Machines''' and your '''c7host''' machine. You will first set up a '''virtual private network (VPN)''' among those machines. In addition, you will learn to set up '''network names''' (to associate with server's IP Addresses), '''associate network services with port numbers''' for troubleshooting purposes, use shell scripts with arrays to store network configuration data, and setup '''firewall policies''' via the '''iptables''' command.
<u>Main Objectives</u>
# Use '''local hostname resolution''' to resolve simple server names with their corresponding IP Addresses
# Use common networking utilities to associate network services with port numbers for troubleshooting purposes
# Use '''shell scripts with arrays''' to store network configuration data
# Gain initial exposure to the '''iptables''' command used to configure and maintain a firewall for protection and troubleshooting
# Configure '''iptables''' to '''allow/disallow/forward''' different types of network traffic
