# Some useful iptables aliases for New SysAdmins alias fw_show="iptables -L -n -v" # Displaying the Status of Your Firewall alias fw_show_line="iptables -n -L -v --line-numbers" # Display Line alias fw_start="service iptables start" # Start the Firewall alias fw_restart="service iptables restart" # Restart the Firewall alias fw_stop="service iptables stop" # Stop the Firewall alias fw_save="service iptables save" # Save the Firewall alias fw_icmp_drop="iptables -A INPUT -p icmp --icmp-type echo-request -j DROP" # Block ICMP Ping Request alias fw_flush="iptables -F"