Changes

:''The more you practice and get comfortable with iptables, the quicker you will be able to isolate and fix connection issues.''

:We don't expect you to become firewall experts, but there are some basics that you need to become familiar for this and future labs:

'''Record essential concepts from this section into your OPS335 lab log-book'''

=INVESTIGATION 1: PREPARATION & GETTING TO KNOW IPTABLES=