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# Set the default INPUT policy to ACCEPT by issuing the following command: <b><code><span style="color:#3366CC;font-size:1.2em;">iptables -P INPUT ACCEPT</span></code></b>
# Verify there are no iptables rules by issuing the command: <b><code><span style="color:#3366CC;font-size:1.2em;">iptables -L</span></code></b>
# Make a backup of the file '''/etc/sysconfig/iptables''' by issuing the command:<br><b><code><span style="color:#3366CC;font-size:1.2em;">cp /etc/sysconfig/iptables-save > /etc/sysconfig/iptables.bk</span></code></b>
#To make the iptables rules '''persistent''' (i.e. keeps rules when system restarts), you issue the command: <br><b><code><span style="color:#3366CC;font-size:1.2em;">iptables-save > /etc/sysconfig/iptables</span></code></b>
# Verify that the file '''/etc/sysconfig/iptables''' exists.