From 0616dd9fcbf4050fb0d68231296d355a2f05bc30 Mon Sep 17 00:00:00 2001 From: Tom Eastep Date: Sat, 2 Feb 2013 09:33:24 -0800 Subject: [PATCH] Add 'New' action for conntrack state NEW Signed-off-by: Tom Eastep --- Shorewall/action.New | 55 ++++++++++++++++++++++++++++++++++++++++++ Shorewall/actions.std | 1 + Shorewall6/actions.std | 1 + 3 files changed, 57 insertions(+) create mode 100644 Shorewall/action.New diff --git a/Shorewall/action.New b/Shorewall/action.New new file mode 100644 index 000000000..f810a2743 --- /dev/null +++ b/Shorewall/action.New @@ -0,0 +1,55 @@ +# +# Shorewall 4 - New Action +# +# /usr/share/shorewall/action.New +# +# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt] +# +# (c) 2011,2012 - Tom Eastep (teastep@shorewall.net) +# +# Complete documentation is available at http://shorewall.net +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of Version 2 of the GNU General Public License +# as published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Untracked[([])] +# +# Default action is DROP +# +########################################################################################## +?FORMAT 2 + +DEFAULTS ACCEPT + +?BEGIN PERL; + +use Shorewall::IPAddrs; +use Shorewall::Config; +use Shorewall::Chains; +use Shorewall::Rules qw( process_rule1 ); + +my ( $action ) = get_action_params( 1 ); + +my ( $level, $tag ) = get_action_logging; + +$action = join( ':', $action, $level, $tag ) if "${level}${tag}"; + +if ( my $check = check_state( 'NEW' ) ) { + perl_action_helper( $action, $check == 1 ? "$globals{STATEMATCH} NEW" : '' ); +} + +allow_optimize( get_action_chain ); + +1; + +?END PERL; diff --git a/Shorewall/actions.std b/Shorewall/actions.std index b62690e37..860937a87 100644 --- a/Shorewall/actions.std +++ b/Shorewall/actions.std @@ -40,6 +40,7 @@ Drop # Default Action for DROP policy DropSmurfs noinline # Drop smurf packets Established inline # Handles packets in the ESTABLISHED state Invalid inline # Handles packets in the INVALID conntrack state +New inline # Handles packets in the NEW conntrack state NotSyn inline # Handles TCP packets which do not have SYN=1 and ACK=0 Reject # Default Action for REJECT policy Related inline # Handles packets in the RELATED conntrack state diff --git a/Shorewall6/actions.std b/Shorewall6/actions.std index 3601a390a..d284ed22a 100644 --- a/Shorewall6/actions.std +++ b/Shorewall6/actions.std @@ -28,6 +28,7 @@ Drop # Default Action for DROP policy DropSmurfs noinline # Handles packets with a broadcast source address Established inline # Handles packets in the ESTABLISHED state Invalid inline # Handles packets in the INVALID conntrack state +New inline # Handles packets in the NEW conntrack state NotSyn inline # Handles TCP packets that do not have SYN=1 and ACK=0 Reject # Default Action for REJECT policy Related inline # Handles packets in the RELATED conntrack state