Iptables Concepts: Difference between revisions
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==iptables== | ==iptables== | ||
<tt>iptables</tt> is a Linux command line tool that manipulates the network packet | <tt>iptables</tt> is a Linux userspace command line tool that manipulates the network packet filtering rules. | ||
=iptables and ip6tables= | =iptables and ip6tables= | ||
Revision as of 17:46, 5 January 2016
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.