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:'''Perform the following steps:'''
# Flush all of your Issue an iptables rules by issuing to list the following command: <b><code><span style="color:#3366CC;fontcurrent rules to confirm that re-size:1.2em;">iptables -F</span></code></b># Verify there are no booting your c7host didn't save the iptables default policy or exception rules by issuing the command: <b><code><span style="color:#3366CC;font-size:1from part 2.2em;">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;">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>