firewall/zones/admin.nft

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#! /sbin/nft -f
table inet firewall {
chain to_admin {
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accept
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}
chain from_admin {
}
}
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table nat {
# On nate les admins derrière les IPs 193.48.225.215 à 193.48.225.224 en
# attribuant les plages de ports 11135-65535 par tranche de 1700 ports.
# On a donc 32 Ips de 10.7.0.0/24 derrière chaque Ip.
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# exemple: 10.7.0.1-10.7.0.31 : 193.48.225.215
# On peut aussi ajouter dynamiquement des éléments :
# nft add element nat federez_nat_address {10.7.0.1-10.7.0.31 : 193.48.225.215}
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map admin_nat_address {
type ipv4_addr: ipv4_addr
flags interval
}
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# exemple: 10.7.0.1 : 11135-12834
# On peut aussi ajouter dynamiquement des éléments :
# nft add element nat federez_nat_port {10.7.0.1 : 11135-12834}
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map admin_nat_port {
type ipv4_addr: inet_service
flags interval
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}
chain adm_nat {
ip protocol tcp snat ip saddr map @admin_nat_address : ip saddr map @admin_nat_port
ip protocol udp snat ip saddr map @admin_nat_address : ip saddr map @admin_nat_port
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}
}