Add dropBcasts action

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2017-06-25 18:36:54 -07:00
parent aee8c14ea6
commit 61b6898782
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3 changed files with 41 additions and 0 deletions

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@ -0,0 +1,39 @@
#
# Shorewall -- /usr/share/shorewall/action.dropBcasts
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 2017 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.
#
# dropBcasts[([audit])]
#
###############################################################################
DEFAULTS -
?if passed(@1)
?if @1 eq 'audit'
?require AUDIT_TARGET
Broadcast(A_DROP)
?else
?error "Invalid argument (@1) to dropBcasts"
?endif
?else
Broadcast(DROP)
?endif

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@ -25,6 +25,7 @@ Broadcast noinline,audit # Handles Broadcast/Anycast
DNSAmp # Matches one-question recursive DNS queries DNSAmp # Matches one-question recursive DNS queries
Drop # Default Action for DROP policy (deprecated) Drop # Default Action for DROP policy (deprecated)
dropBcast inline # Silently Drop Broadcast dropBcast inline # Silently Drop Broadcast
dropBcasts inline # Silently Drop Broadcast
dropInvalid inline # Drops packets in the INVALID conntrack state dropInvalid inline # Drops packets in the INVALID conntrack state
dropMcast inline # Silently Drop Multicast dropMcast inline # Silently Drop Multicast
dropNotSyn noinline # Silently Drop Non-syn TCP packets dropNotSyn noinline # Silently Drop Non-syn TCP packets

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@ -21,6 +21,7 @@ BLACKLIST logjump,section # Add sender to the dynamic blacklist
Broadcast noinline # Handles Broadcast/Anycast Broadcast noinline # Handles Broadcast/Anycast
Drop # Default Action for DROP policy (deprecated) Drop # Default Action for DROP policy (deprecated)
dropBcast inline # Silently Drop Broadcast dropBcast inline # Silently Drop Broadcast
dropBcasts inline # Silently Drop Broadcast
dropInvalid inline # Drops packets in the INVALID conntrack state dropInvalid inline # Drops packets in the INVALID conntrack state
dropMcast inline # Silently Drop Multicast dropMcast inline # Silently Drop Multicast
dropNotSyn noinline # Silently Drop Non-syn TCP packets dropNotSyn noinline # Silently Drop Non-syn TCP packets