→Creating Customized Chains
'''Perform the following steps for your <u>host</u> machine:'''
# Make a backup of the original default rules: <source>cp /etc/sysconfig/iptables /etc/sysconfig/iptables.original</source>
# Use the ifconfig or ip address command to determine the IP ADDRESS of your external facing address (i.e. IP address beginning with '''192.168.40.x''' if you are using an SSD).
# Open a terminal on the Windows machine and '''ping''' your external facing IP address. Was it successful? (it should have worked)