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Add Established action.

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2013-01-27 15:38:25 -08:00
parent b3b074fb61
commit 819c8bf492
3 changed files with 97 additions and 16 deletions
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79
Shorewall/action.Established Normal file
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@ -0,0 +1,79 @@
#
# Shorewall 4 - Established Action
#
# /usr/share/shorewall/action.Established
#
# 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.
#
# Established[([<action>])]
#
# Default action is DROP
#
##########################################################################################
?FORMAT 2
DEFAULTS DROP,-
?BEGIN PERL;
use Shorewall::IPAddrs;
use Shorewall::Config;
use Shorewall::Chains;
use Shorewall::Rules qw( process_rule1 );
my ( $action, $audit ) = get_action_params( 2 );
if ( supplied $audit ) {
fatal_error "Established parameter ($audit) to action Established" if $audit ne 'audit';
$action = "A_$action";
}
my ( $level, $tag ) = get_action_logging;
$action = join( ':', $action, $level, $tag ) if "${level}${tag}";
my $chainref = get_action_chain;
process_rule1( $chainref, # Chainref
"$globals{STATEMATCH} ESTABLISHED ", # Rule
$action, # Target
'', # Current Param
'-', # Source
'-', # Dest
'-', # Proto
'-', # Port(s)
'-', # Source Port(s)
'-', # Original Dest
'-', # Rate Limit
'-', # User
'-', # Mark
'-', # Connlimit
'-', # Time
'-', # Headers,
'-', # condition,
'-', # helper,
0, # Wildcard
);
allow_optimize( $chainref );
1;
?END PERL;

17
Shorewall/actions.std
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@ -35,13 +35,14 @@
#ACTION #ACTION
A_Drop # Audited Default Action for DROP policy A_Drop # Audited Default Action for DROP policy
A_Reject # Audited Default action for REJECT policy A_Reject # Audited Default action for REJECT policy
Broadcast noinline # Handles Broadcast/Multicast/Anycast Broadcast noinline # Handles Broadcast/Multicast/Anycast
Drop # Default Action for DROP policy Drop # Default Action for DROP policy
DropSmurfs noinline # Drop smurf packets DropSmurfs noinline # Drop smurf packets
Invalid noinline # Handles packets in the INVALID conntrack state Established nolinline # Handles packets in the ESTABLISHED state
NotSyn noinline # Handles TCP packets which do not have SYN=1 and ACK=0 Invalid noinline # Handles packets in the INVALID conntrack state
NotSyn noinline # Handles TCP packets which do not have SYN=1 and ACK=0
Reject # Default Action for REJECT policy Reject # Default Action for REJECT policy
Related noinline # Handles packets in the RELATED conntrack state Related noinline # Handles packets in the RELATED conntrack state
RST noinline # Handle packets with RST set RST noinline # Handle packets with RST set
TCPFlags noinline # Handle bad flag combinations. TCPFlags noinline # Handle bad flag combinations.
Untracked noinline # Handles packets in the UNTRACKED conntrack state Untracked noinline # Handles packets in the UNTRACKED conntrack state

17
Shorewall6/actions.std
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@ -23,13 +23,14 @@ A_Drop # Audited Default Action for DROP policy
A_Reject # Audited Default Action for REJECT policy A_Reject # Audited Default Action for REJECT policy
A_AllowICMPs # Audited Accept needed ICMP6 types A_AllowICMPs # Audited Accept needed ICMP6 types
AllowICMPs # Accept needed ICMP6 types AllowICMPs # Accept needed ICMP6 types
Broadcast noinline # Handles Broadcast/Multicast/Anycast Broadcast noinline # Handles Broadcast/Multicast/Anycast
Drop # Default Action for DROP policy Drop # Default Action for DROP policy
DropSmurfs noinline # Handles packets with a broadcast source address DropSmurfs noinline # Handles packets with a broadcast source address
Invalid noinline # Handles packets in the INVALID conntrack state Established nolinline # Handles packets in the ESTABLISHED state
NotSyn noinline # Handles TCP packets that do not have SYN=1 and ACK=0 Invalid noinline # Handles packets in the INVALID conntrack state
NotSyn noinline # Handles TCP packets that do not have SYN=1 and ACK=0
Reject # Default Action for REJECT policy Reject # Default Action for REJECT policy
Related noinline # Handles packets in the RELATED conntrack state Related noinline # Handles packets in the RELATED conntrack state
RST noinline # Handle packets with RST set RST noinline # Handle packets with RST set
TCPFlags noinline # Handles bad flags combinations TCPFlags noinline # Handles bad flags combinations
Untracked noinline # Handles packets in the UNTRACKED conntrack state Untracked noinline # Handles packets in the UNTRACKED conntrack state