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# Set the default policy for the INPUT chain to DROP:
#* <code>iptables -P INPUT DROP</code>
::{{Admon/note| |The <code>-P</code> switch stands for POLICY. This tells <code>iptables</code> that we are changing the policy for the INPUT chain. The policy is to be changed to DROP. Note that <code>iptables</code> commands (as well as all other Linux commands) are case sensitive. Check your syntax carefully.}}
# Now try on your own to change the default policies for the OUPUT and FORWARD chains to DROP
# Write the commands you executed in your lab book.