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        zz_enable_firewall_fnal - This will turn on iptables and configure to fnal.gov only
        
        
        - Description:
 
        This will turn on iptables and configure to allow NEW inbound tcp/udp traffic to fnal.gov only.  To customize modify /etc/sysconfig/iptables .  This rpm will NOT remove/modify a existing iptables config on install, in that case it will create a new file called /etc/sysconfig/iptables.rpmnew .  If you want the iptables config file provided in this rpm to be installed either remove /etc/sysconfig/iptables before installing this rpm or move /etc/sysconfig/iptables.rpmnew to /etc/sysconfig/iptables.
For the special case of ftp the /etc/sysconfig/iptables-config file requires that "ip_conntrack_ftp" module be defined in the "IPTABLES_MODULES" definition.  This option allows for the use of "active" ftp without the need for other tcp ports to be defined.  The pre existing /etc/sysconfig/iptables-config is saved off as /etc/sysconfig/iptables-config.<date>.
 
        
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