58 lines
2.2 KiB
Plaintext
58 lines
2.2 KiB
Plaintext
#!/usr/bin/env -S nft -f
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table inet ${IFACE}_inet {
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chain postrouting {
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type nat hook postrouting priority 100;
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iif ${IFACE} oif { {{ [
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ansible_default_ipv4.interface | default(ansible_default_ipv6.interface),
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ansible_default_ipv6.interface | default(ansible_default_ipv4.interface)
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] | unique | join(", ") }} } masquerade;
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}
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}
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table ip ${IFACE}_ipv4 {
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chain prerouting {
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type nat hook prerouting priority -100;
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{% for forward in vpn_bridge_dnat %}
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iif {{ ansible_default_ipv4.interface | default(ansible_default_ipv6.interface) }} meta l4proto { tcp, udp } th dport { {{ forward.ports | join(", ") }} } dnat to {{ forward.inet_address }};
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{% endfor %}
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}
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chain forward {
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type filter hook forward priority 0;
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{% if local_inet_network is defined %}
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ct state established,related accept;
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iif ${IFACE} ip daddr {{ local_inet_network }} drop;
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{% endif %}
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{% if vpn_bridge_local_only_inet_daddr %}
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# Drop all external traffic for these addresses.
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ip saddr != {{ vpn_bridge_inet_subnet }} ip daddr { {{ vpn_bridge_local_only_inet_daddr | join(", ") }} } drop;
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{% endif %}
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}
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}
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table ip6 ${IFACE}_ipv6 {
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chain prerouting {
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type nat hook prerouting priority -100;
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{% for forward in vpn_bridge_dnat %}
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iif {{ ansible_default_ipv6.interface | default(ansible_default_ipv4.interface) }} meta l4proto { tcp, udp } th dport { {{ forward.ports | join(", ") }} } dnat to {{ forward.inet6_address }};
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{% endfor %}
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}
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chain forward {
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type filter hook forward priority 0;
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{% if local_inet6_network is defined %}
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ct state established,related accept;
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iif ${IFACE} ip6 daddr {{ local_inet6_network }} drop;
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{% endif %}
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{% if vpn_bridge_local_only_inet6_daddr %}
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# Drop all external traffic for these addresses.
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ip6 saddr != {{ vpn_bridge_inet6_subnet }} ip6 daddr { {{ vpn_bridge_local_only_inet6_daddr | join(", ") }} } drop;
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{% endif %}
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}
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}
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