==== Setting Default Policy and Policy Exceptions with iptables ====
xUsually when setting policy rules with iptables, a general "overall" policy is set (default policy chain), and then set policy rules in other chains which act as exceptions to the default policy. +++ Show iptables command to set default policy +++ One example would be to set a overall default policy to reject all incoming and outgoing policies for all packet types (tcp, udp, icmp) for all communication ports. After the overall default policy is set, then append exception policy rules. +++ Show iptables command to create policy exceptions +++
'''Perform the following steps:'''
