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60 lines
1.9 KiB
Plaintext
60 lines
1.9 KiB
Plaintext
#
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# Shorewall -- /usr/share/shorewall/action.Broadcast
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#
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# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
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#
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# (c) 2011-2016 Tom Eastep (teastep@shorewall.net)
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#
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# Complete documentation is available at http://shorewall.net
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Broadcast[([<action>|-[,{audit|-}])]
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#
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# Default action is DROP
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#
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###############################################################################
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DEFAULTS DROP,-
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?if __ADDRTYPE
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@1 - - - ;; -m addrtype --dst-type BROADCAST
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@1 - - - ;; -m addrtype --dst-type MULTICAST
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@1 - - - ;; -m addrtype --dst-type ANYCAST
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?else
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?begin perl;
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use Shorewall::IPAddrs;
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use Shorewall::Config;
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use Shorewall::Chains;
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my ( $action ) = get_action_params( 1 );
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my $chainref = get_action_chain;
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my ( $level, $tag ) = get_action_logging;
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add_commands $chainref, 'for address in $ALL_BCASTS; do';
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incr_cmd_level $chainref;
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log_rule_limit $level, $chainref, 'Broadcast' , $action, '', $tag, 'add', ' -d $address ' if $level ne '';
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add_jump $chainref, $action, 0, "-d \$address ";
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decr_cmd_level $chainref;
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add_commands $chainref, 'done';
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log_rule_limit $level, $chainref, 'Broadcast' , $action, '', $tag, 'add', ' -d 224.0.0.0/4 ' if $level ne '';
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add_jump $chainref, $action, 0, '-d 224.0.0.0/4 ';
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1;
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?end perl;
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?endif
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