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<tdwidth="30%">'''Command'''</td><td>'''Description'''</td>
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<td width="30%>'''iptables -P INPUT DROP'''</td><td>Set default policy to drop all incoming connections for ALL protocols, ALL communication ports, ALL IP addresses</td>
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<td>'''iptables -P OUTPUT DROP'''</td><td>Set default policy to drop all outgoing connections for ALL protocols, ALL communication ports, ALL IP addresses</td>
