firewall/global_policy.nft

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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
# Copyright © 2018-2019 Hugo Levy-Falk <hugo@klafyvel.me>
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table inet firewall {
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chain global {
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# On accepte les connexions déjà établies
ct state established,related accept
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# Gestion de l'ICMP :
# On empêche le ping flood
icmp type echo-request limit rate over 50/second drop;
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ip protocol icmp accept;
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}
}