Man page written by Harald Welte <laforge@gnumonks.org>
It is based on the iptables man page.
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ip6tables-restore \(em Restore IPv6 Tables
ip6tables-restore [-chntv] [-M modprobe] [-T name] [file]
iptables-restore and ip6tables-restore are used to restore IP and IPv6 Tables from data specified on STDIN or in file. Use I/O redirection provided by your shell to read from a file or specify file as an argument.
-c, --counters restore the values of all packet and byte counters
-h, --help Print a short option summary.
-n, --noflush don't flush the previous contents of the table. If not specified, both commands flush (delete) all previous contents of the respective table.
-t, --test Only parse and construct the ruleset, but do not commit it.
-v, --verbose Print additional debug info during ruleset processing.
-M, --modprobe modprobe_program Specify the path to the modprobe program. By default, iptables-restore will inspect /proc/sys/kernel/modprobe to determine the executable's path.
-T, --table name Restore only the named table even if the input stream contains other ones.
Andras Kis-Szabo <kisza@sch.bme.hu> contributed ip6tables-restore.
The iptables-HOWTO, which details more iptables usage, the NAT-HOWTO, which details NAT, and the netfilter-hacking-HOWTO which details the internals.