25 Useful IPtable Firewall Rules Every Linux Administrator Should Know

Managing network traffic is one of the toughest jobs a system administrators has to deal with. He must configure the firewall in such a way that it will meet the system and users requirements for both incoming and outgoing connections, without leaving the system vulnerable to attacks. In this article, you will see some useful 25 commands that will help you to manage your Linux box firewall through iptables.

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