Manual: ip6tables-apply

IPTABLES-APPLY(8)			       iptables 1.8.11				   IPTABLES-APPLY(8)

NAME
       iptables-apply — a safer way to update iptables remotely

SYNOPSIS
       iptables-apply [-hV] [-t timeout] [-w savefile] {[rulesfile]|-c [runcmd]}

DESCRIPTION
       iptables-apply  will  try  to apply a new rulesfile (as output by iptables-save, read by iptables-re‐
       store) or run a command to configure iptables and then prompt the user whether the changes are  okay.
       If  the	new iptables rules cut the existing connection, the user will not be able to answer affirma‐
       tively. In this case, the script rolls back to the previous working iptables rules after the  timeout
       expires.

       Successfully applied rules can also be written to savefile and later used to roll back to this state.
       This  can  be  used to implement a store last good configuration mechanism when experimenting with an
       iptables	 setup	script:	 iptables-apply	 -w  /etc/network/iptables.up.rules  -c	  /etc/network/ipta‐
       bles.up.run

       When  called  as ip6tables-apply, the script will use ip6tables-save/-restore and IPv6 default values
       instead. Default value for rulesfile is '/etc/network/iptables.up.rules'.

OPTIONS
       -t seconds, --timeout seconds
	      Sets the timeout in seconds after which the script will roll back to the previous ruleset (de‐
	      fault: 10).

       -w savefile, --write savefile
	      Specify the savefile where successfully applied rules will be written  to	 (default  if  empty
	      string is given: /etc/network/iptables.up.rules).

       -c runcmd, --command runcmd
	      Run  command  runcmd to configure iptables instead of applying a rulesfile (default: /etc/net‐
	      work/iptables.up.run).

       -h, --help
	      Display usage information.

       -V, --version
	      Display version information.

SEE ALSO
       iptables-restore(8), iptables-save(8), iptables(8).

LEGALESE
       Original iptables-apply - Copyright 2006 Martin F. Krafft .	 Version 1.1 - Copy‐
       right 2010 GW .

       This manual  page  was  written	by  Martin  F.	Krafft	  and  extended  by  GW
       .

       Permission is granted to copy, distribute and/or modify this document under the terms of the Artistic
       License 2.0.

iptables 1.8.11										   IPTABLES-APPLY(8)