Iptables Concepts

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Revision as of 17:46, 5 January 2016 by Ovidiu (talk | contribs)
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Internal

netfilter, iptables tool, iptables service and firewalld

netfilter

netfilter is a set of hooks inside the Linux kernel that allows kernel modules to register callback functions with the network stack. A registered callback function is then called for every packet that traverses the respective hook.

iptables

iptables is a Linux userspace command line tool that manipulates the network packet filtering rules.

iptables and ip6tables

ipchains

ipfwadm

Chain

Rule