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shorewall_code/Shorewall/action.NotSyn
Tom Eastep 8249831e6d Detect some state conflicts
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2013-02-02 09:32:57 -08:00

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#
# Shorewall 4 - NotSyn Action
#
# /usr/share/shorewall/action.NotSyn
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 2011 - 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.
#
# NotSyn[([<action>])]
#
# Default action is DROP
#
##########################################################################################
?FORMAT 2
DEFAULTS DROP,-
?BEGIN PERL;
use strict;
use Shorewall::IPAddrs;
use Shorewall::Config;
use Shorewall::Chains;
use Shorewall::Rules;
my ( $action, $audit ) = get_action_params( 2 );
if ( supplied $audit ) {
fatal_error "Invalid parameter ($audit) to action NotSyn" if $audit ne 'audit';
$action = "A_$action";
}
perl_action_tcp_helper( $action, '-p 6 ! --syn' );
1;
?END PERL;