firewall/zones/prerezotage.nft

#! /sbin/nft -f

# 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>

table inet firewall {

	set allowed_daddr_prerezotage {
		type ipv4_addr
		flags interval
		elements = {
			$comnpay,
			$website,
			$external_dns,
			$intranet
		}
	}


	chain to_prerezotage {
		accept
	}

	chain from_prerezotage {
		ip daddr != @allowed_daddr_prerezotage drop
	}

}

table nat {
	chain prerezotage_nat {
		snat to $ip_self_public
	}
}