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Correct actions

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- Restore the TCP-related actions
- Correct typo in action.Drop

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2016-03-12 15:09:31 -08:00
parent ec2ebee0e6
commit df5f34951c
4 changed files with 106 additions and 20 deletions
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2
Shorewall/action.Drop
View File

@ -29,7 +29,7 @@
#
###############################################################################
if @1 ne '' && @1 ne '-'
?if @1 ne '' && @1 ne '-'
?if @1 eq 'audit'
DEFAULTS -,-,A_DROP,A_ACCEPT,A_DROP
?else

44
Shorewall/action.NotSyn
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@ -1,14 +1,52 @@
#
# Shorewall - NotSyn Action
# 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
#
##########################################################################################
DEFAULTS DROP
DEFAULTS DROP,-
@1 - - tcp ;; ! --syn
?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;

40
Shorewall/action.RST
View File

@ -3,12 +3,48 @@
#
# /usr/share/shorewall/action.RST
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 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.
#
# RST[([<action>])]
#
# Default action is DROP
#
##########################################################################################
DEFAULTS DROP
DEFAULTS DROP,-
@1 - - tcp ;; --tcp-flags RST RST
?begin perl;
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 RST" if $audit ne 'audit';
$action = "A_$action";
}
perl_action_tcp_helper( $action, '-p 6 --tcp-flags RST RST' );
1;
?end perl;

40
Shorewall/action.TCPFlags
View File

@ -10,20 +10,32 @@
#
#################################################################################
?if @1 ne '-' && @1 ne ''
?if @1 eq 'audit'
DEFAULTS A_DROP
?else
?error "The first parameter to TCPFlags must be 'audit' or '-'
?endif
?else
DEFAULTS DROP
?endif
DEFAULTS -
?begin perl;
use strict;
use Shorewall::Config qw(:DEFAULT F_IPV4 F_IPV6);
use Shorewall::Chains;
use Shorewall::Rules;
my $action = 'DROP';
my ( $audit ) = get_action_params( 1 );
if ( supplied $audit ) {
fatal_error "Invalid parameter ($audit) to action TCPFlags" if $audit ne 'audit';
$action = "A_DROP";
}
perl_action_tcp_helper( $action, '-p tcp --tcp-flags ALL FIN,URG,PSH' );
perl_action_tcp_helper( $action, '-p tcp --tcp-flags ALL NONE' );
perl_action_tcp_helper( $action, '-p tcp --tcp-flags SYN,RST SYN,RST' );
perl_action_tcp_helper( $action, '-p tcp --tcp-flags SYN,FIN SYN,FIN' );
perl_action_tcp_helper( $action, '-p tcp --syn --sport 0' );
?end perl;
@1 - - tcp ;; --tcp-flags ALL FIN,URG,PSH
@1 - - tcp ;; --tcp-flags ALL NONE
@1 - - tcp ;; --tcp-flags SYN,RST SYN,RST
@1 - - tcp ;; --tcp-flags SYN,FIN SYN,FIN
@1 - - tcp ;; --syn --sport 0