nftables/SOURCES/nat.nft
2022-05-17 17:05:24 +00:00

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# Sample configuration snippet for nftables service.
# Meant to be included by main.nft, not for direct use.
# dedicated table for IPv4
table ip nftables_svc {
# interfaces to masquerade traffic from
set masq_interfaces {
type ifname
elements = { "virbr0" }
}
# networks to masquerade traffic from
# 'interval' flag is required to support subnets
set masq_ips {
type ipv4_addr
flags interval
elements = { 192.168.122.0/24 }
}
# base-chain to manipulate conntrack in postrouting,
# will see packets for new or related traffic only
chain POSTROUTING {
type nat hook postrouting priority srcnat + 20
policy accept
iifname @masq_interfaces oifname != @masq_interfaces masquerade
ip saddr @masq_ips masquerade
}
}