Package iptables: Information

iptables is used to set up, maintain, and inspect the tables of IP
packet filter rules in the Linux kernel.  Several different tables may
be defined.  Each table contains a number of built-in chains and may
also contain user-defined chains.

Each chain is a list of rules which can match a set of packets.
Each rule specifies what to do with a packet that matches.  This is
called a `target', which may be a jump to a user-defined chain in
the same table.

Package iptables: Information

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