Linux Commands Examples

A great documentation place for Linux commands


dump iptables rules to stdout

see also : iptables-restore - iptables


iptables-save [-M modprobe] [-c] [-t table]

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date=$(date +%Y%m%d%H%M%S)
iptables-save -c > "$backup_dir/iptables.$date"


iptables-save is used to dump the contents of an IP Table in easily parseable format to STDOUT. Use I/O-redirection provided by your shell to write to a file.

Specify the path to the modprobe program. By default, iptables-save will inspect /proc/sys/kernel/modprobe to determine the executable’s path.

-c, --counters

include the current values of all packet and byte counters in the output

-t, --table tablename

restrict output to only one table. If not specified, output includes all available tables.


None known as of iptables-1.2.1 release

see also

iptables -restore"> iptables-restore , iptables

The iptables-HOWTO, which details more iptables usage, the NAT-HOWTO, which details NAT, and the netfilter-hacking-HOWTO which details the internals.


Harald Welte <laforge[:at:]gnumonks[:dot:]org>

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