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-rw-r--r--data/templates/firewall/nftables-geoip-update.j28
-rw-r--r--data/templates/firewall/nftables-zone.j272
-rw-r--r--data/templates/firewall/nftables.j2242
-rw-r--r--data/templates/zone_policy/nftables.j2113
4 files changed, 144 insertions, 291 deletions
diff --git a/data/templates/firewall/nftables-geoip-update.j2 b/data/templates/firewall/nftables-geoip-update.j2
index f9e61a274..832ccc3e9 100644
--- a/data/templates/firewall/nftables-geoip-update.j2
+++ b/data/templates/firewall/nftables-geoip-update.j2
@@ -2,10 +2,10 @@
{% if ipv4_sets is vyos_defined %}
{% for setname, ip_list in ipv4_sets.items() %}
-flush set ip filter {{ setname }}
+flush set ip vyos_filter {{ setname }}
{% endfor %}
-table ip filter {
+table ip vyos_filter {
{% for setname, ip_list in ipv4_sets.items() %}
set {{ setname }} {
type ipv4_addr
@@ -18,10 +18,10 @@ table ip filter {
{% if ipv6_sets is vyos_defined %}
{% for setname, ip_list in ipv6_sets.items() %}
-flush set ip6 filter {{ setname }}
+flush set ip6 vyos_filter {{ setname }}
{% endfor %}
-table ip6 filter {
+table ip6 vyos_filter {
{% for setname, ip_list in ipv6_sets.items() %}
set {{ setname }} {
type ipv6_addr
diff --git a/data/templates/firewall/nftables-zone.j2 b/data/templates/firewall/nftables-zone.j2
new file mode 100644
index 000000000..919881e19
--- /dev/null
+++ b/data/templates/firewall/nftables-zone.j2
@@ -0,0 +1,72 @@
+
+{% macro zone_chains(zone, state_policy=False, ipv6=False) %}
+{% set fw_name = 'ipv6_name' if ipv6 else 'name' %}
+{% set suffix = '6' if ipv6 else '' %}
+ chain VYOS_ZONE_FORWARD {
+ type filter hook forward priority 1; policy accept;
+{% if state_policy %}
+ jump VYOS_STATE_POLICY{{ suffix }}
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if 'local_zone' not in zone_conf %}
+ oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }}
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE_LOCAL {
+ type filter hook input priority 1; policy accept;
+{% if state_policy %}
+ jump VYOS_STATE_POLICY{{ suffix }}
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE_{{ zone_name }}_IN
+{% endif %}
+{% endfor %}
+ }
+ chain VYOS_ZONE_OUTPUT {
+ type filter hook output priority 1; policy accept;
+{% if state_policy %}
+ jump VYOS_STATE_POLICY{{ suffix }}
+{% endif %}
+{% for zone_name, zone_conf in zone.items() %}
+{% if 'local_zone' in zone_conf %}
+ counter jump VZONE_{{ zone_name }}_OUT
+{% endif %}
+{% endfor %}
+ }
+{% for zone_name, zone_conf in zone.items() %}
+{% if zone_conf.local_zone is vyos_defined %}
+ chain VZONE_{{ zone_name }}_IN {
+ iifname lo counter return
+{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endfor %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+ chain VZONE_{{ zone_name }}_OUT {
+ oifname lo counter return
+{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall[fw_name] is vyos_defined %}
+ oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }}
+ oifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endfor %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+{% else %}
+ chain VZONE_{{ zone_name }} {
+ iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6) }}
+{% if zone_conf.intra_zone_filtering is vyos_defined %}
+ iifname { {{ zone_conf.interface | join(",") }} } counter return
+{% endif %}
+{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %}
+{% if zone[from_zone].local_zone is not defined %}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }}
+ iifname { {{ zone[from_zone].interface | join(",") }} } counter return
+{% endif %}
+{% endfor %}
+ {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
+ }
+{% endif %}
+{% endfor %}
+{% endmacro %}
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index 5971e1bbc..c0780dad5 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -1,25 +1,48 @@
#!/usr/sbin/nft -f
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
+{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
-{% if cleanup_commands is vyos_defined %}
-{% for command in cleanup_commands %}
-{{ command }}
-{% endfor %}
+{% if first_install is not vyos_defined %}
+delete table ip vyos_filter
{% endif %}
-
-table ip filter {
-{% if first_install is vyos_defined %}
+table ip vyos_filter {
chain VYOS_FW_FORWARD {
type filter hook forward priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.in is vyos_defined and ifconf.in.name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME_{{ ifconf.in.name }}
+{% endif %}
+{% if ifconf.out is vyos_defined and ifconf.out.name is vyos_defined %}
+ oifname {{ ifname }} counter jump NAME_{{ ifconf.out.name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW
}
chain VYOS_FW_LOCAL {
type filter hook input priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.local is vyos_defined and ifconf.local.name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME_{{ ifconf.local.name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW
}
chain VYOS_FW_OUTPUT {
type filter hook output priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% endif %}
jump VYOS_POST_FW
}
chain VYOS_POST_FW {
@@ -29,7 +52,6 @@ table ip filter {
type filter hook prerouting priority -450; policy accept;
ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return
}
-{% endif %}
{% if name is vyos_defined %}
{% set ns = namespace(sets=[]) %}
{% for name_text, conf in name.items() %}
@@ -72,6 +94,10 @@ table ip filter {
{{ group_tmpl.groups(group, False) }}
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, False) }}
+{% endif %}
+
{% if state_policy is vyos_defined %}
chain VYOS_STATE_POLICY {
{% if state_policy.established is vyos_defined %}
@@ -88,18 +114,46 @@ table ip filter {
{% endif %}
}
-table ip6 filter {
-{% if first_install is vyos_defined %}
+{% if first_install is not vyos_defined %}
+delete table ip6 vyos_filter
+{% endif %}
+table ip6 vyos_filter {
chain VYOS_FW6_FORWARD {
type filter hook forward priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.in is vyos_defined and ifconf.in.ipv6_name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME6_{{ ifconf.in.ipv6_name }}
+{% endif %}
+{% if ifconf.out is vyos_defined and ifconf.out.ipv6_name is vyos_defined %}
+ oifname {{ ifname }} counter jump NAME6_{{ ifconf.out.ipv6_name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW6
}
chain VYOS_FW6_LOCAL {
type filter hook input priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
+{% if interface is vyos_defined %}
+{% for ifname, ifconf in interface.items() %}
+{% if ifconf.local is vyos_defined and ifconf.local.ipv6_name is vyos_defined %}
+ iifname {{ ifname }} counter jump NAME6_{{ ifconf.local.ipv6_name }}
+{% endif %}
+{% endfor %}
+{% endif %}
jump VYOS_POST_FW6
}
chain VYOS_FW6_OUTPUT {
type filter hook output priority 0; policy accept;
+{% if state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% endif %}
jump VYOS_POST_FW6
}
chain VYOS_POST_FW6 {
@@ -109,7 +163,6 @@ table ip6 filter {
type filter hook prerouting priority -450; policy accept;
exthdr frag exists meta mark set 0xffff1 return
}
-{% endif %}
{% if ipv6_name is vyos_defined %}
{% set ns = namespace(sets=[]) %}
{% for name_text, conf in ipv6_name.items() %}
@@ -144,6 +197,10 @@ table ip6 filter {
{{ group_tmpl.groups(group, True) }}
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, True) }}
+{% endif %}
+
{% if state_policy is vyos_defined %}
chain VYOS_STATE_POLICY6 {
{% if state_policy.established is vyos_defined %}
@@ -159,166 +216,3 @@ table ip6 filter {
}
{% endif %}
}
-
-{% if first_install is vyos_defined %}
-table ip nat {
- chain PREROUTING {
- type nat hook prerouting priority -100; policy accept;
- counter jump VYOS_PRE_DNAT_HOOK
- }
-
- chain POSTROUTING {
- type nat hook postrouting priority 100; policy accept;
- counter jump VYOS_PRE_SNAT_HOOK
- }
-
- chain VYOS_PRE_DNAT_HOOK {
- return
- }
-
- chain VYOS_PRE_SNAT_HOOK {
- return
- }
-}
-
-table ip vyos_static_nat {
- chain PREROUTING {
- type nat hook prerouting priority -100; policy accept;
- counter jump VYOS_PRE_DNAT_HOOK
- }
-
- chain POSTROUTING {
- type nat hook postrouting priority 100; policy accept;
- counter jump VYOS_PRE_SNAT_HOOK
- }
-
- chain VYOS_PRE_DNAT_HOOK {
- return
- }
-
- chain VYOS_PRE_SNAT_HOOK {
- return
- }
-}
-
-table ip6 nat {
- chain PREROUTING {
- type nat hook prerouting priority -100; policy accept;
- counter jump VYOS_DNPT_HOOK
- }
-
- chain POSTROUTING {
- type nat hook postrouting priority 100; policy accept;
- counter jump VYOS_SNPT_HOOK
- }
-
- chain VYOS_DNPT_HOOK {
- return
- }
-
- chain VYOS_SNPT_HOOK {
- return
- }
-}
-
-table inet mangle {
- chain FORWARD {
- type filter hook forward priority -150; policy accept;
- }
-}
-
-table raw {
- chain VYOS_TCP_MSS {
- type filter hook forward priority -300; policy accept;
- }
-
- chain PREROUTING {
- type filter hook prerouting priority -200; policy accept;
- counter jump VYOS_CT_IGNORE
- counter jump VYOS_CT_TIMEOUT
- counter jump VYOS_CT_PREROUTING_HOOK
- counter jump FW_CONNTRACK
- notrack
- }
-
- chain OUTPUT {
- type filter hook output priority -200; policy accept;
- counter jump VYOS_CT_IGNORE
- counter jump VYOS_CT_TIMEOUT
- counter jump VYOS_CT_OUTPUT_HOOK
- counter jump FW_CONNTRACK
- notrack
- }
-
- ct helper rpc_tcp {
- type "rpc" protocol tcp;
- }
-
- ct helper rpc_udp {
- type "rpc" protocol udp;
- }
-
- ct helper tns_tcp {
- type "tns" protocol tcp;
- }
-
- chain VYOS_CT_HELPER {
- ct helper set "rpc_tcp" tcp dport {111} return
- ct helper set "rpc_udp" udp dport {111} return
- ct helper set "tns_tcp" tcp dport {1521,1525,1536} return
- return
- }
-
- chain VYOS_CT_IGNORE {
- return
- }
-
- chain VYOS_CT_TIMEOUT {
- return
- }
-
- chain VYOS_CT_PREROUTING_HOOK {
- return
- }
-
- chain VYOS_CT_OUTPUT_HOOK {
- return
- }
-
- chain FW_CONNTRACK {
- accept
- }
-}
-
-table ip6 raw {
- chain VYOS_TCP_MSS {
- type filter hook forward priority -300; policy accept;
- }
-
- chain PREROUTING {
- type filter hook prerouting priority -300; policy accept;
- counter jump VYOS_CT_PREROUTING_HOOK
- counter jump FW_CONNTRACK
- notrack
- }
-
- chain OUTPUT {
- type filter hook output priority -300; policy accept;
- counter jump VYOS_CT_OUTPUT_HOOK
- counter jump FW_CONNTRACK
- notrack
- }
-
- chain VYOS_CT_PREROUTING_HOOK {
- return
- }
-
- chain VYOS_CT_OUTPUT_HOOK {
- return
- }
-
- chain FW_CONNTRACK {
- accept
- }
-}
-{% endif %}
diff --git a/data/templates/zone_policy/nftables.j2 b/data/templates/zone_policy/nftables.j2
deleted file mode 100644
index fe941f9f8..000000000
--- a/data/templates/zone_policy/nftables.j2
+++ /dev/null
@@ -1,113 +0,0 @@
-#!/usr/sbin/nft -f
-
-{% if cleanup_commands is vyos_defined %}
-{% for command in cleanup_commands %}
-{{ command }}
-{% endfor %}
-{% endif %}
-
-{% if zone is vyos_defined %}
-table ip filter {
-{% for zone_name, zone_conf in zone.items() if zone_conf.ipv4 %}
-{% if zone_conf.local_zone is vyos_defined %}
- chain VZONE_{{ zone_name }}_IN {
- iifname lo counter return
-{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.name is vyos_defined %}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
- }
- chain VZONE_{{ zone_name }}_OUT {
- oifname lo counter return
-{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.name is vyos_defined %}
- oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }}
- oifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
- }
-{% else %}
- chain VZONE_{{ zone_name }} {
- iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=False) }}
-{% if zone_conf.intra_zone_filtering is vyos_defined %}
- iifname { {{ zone_conf.interface | join(",") }} } counter return
-{% endif %}
-{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.name is vyos_defined %}
-{% if zone[from_zone].local_zone is not defined %}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endif %}
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone_' + zone_name) }}
- }
-{% endif %}
-{% endfor %}
-}
-
-table ip6 filter {
-{% for zone_name, zone_conf in zone.items() if zone_conf.ipv6 %}
-{% if zone_conf.local_zone is vyos_defined %}
- chain VZONE6_{{ zone_name }}_IN {
- iifname lo counter return
-{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
- }
- chain VZONE6_{{ zone_name }}_OUT {
- oifname lo counter return
-{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.ipv6_name is vyos_defined %}
- oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
- oifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
- }
-{% else %}
- chain VZONE6_{{ zone_name }} {
- iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=True) }}
-{% if zone_conf.intra_zone_filtering is vyos_defined %}
- iifname { {{ zone_conf.interface | join(",") }} } counter return
-{% endif %}
-{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %}
-{% if zone[from_zone].local_zone is not defined %}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }}
- iifname { {{ zone[from_zone].interface | join(",") }} } counter return
-{% endif %}
-{% endfor %}
- {{ zone_conf | nft_default_rule('zone6_' + zone_name) }}
- }
-{% endif %}
-{% endfor %}
-}
-
-{% for zone_name, zone_conf in zone.items() %}
-{% if zone_conf.ipv4 %}
-{% if 'local_zone' in zone_conf %}
-insert rule ip filter VYOS_FW_LOCAL counter jump VZONE_{{ zone_name }}_IN
-insert rule ip filter VYOS_FW_OUTPUT counter jump VZONE_{{ zone_name }}_OUT
-{% else %}
-insert rule ip filter VYOS_FW_FORWARD oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }}
-{% endif %}
-{% endif %}
-{% if zone_conf.ipv6 %}
-{% if 'local_zone' in zone_conf %}
-insert rule ip6 filter VYOS_FW6_LOCAL counter jump VZONE6_{{ zone_name }}_IN
-insert rule ip6 filter VYOS_FW6_OUTPUT counter jump VZONE6_{{ zone_name }}_OUT
-{% else %}
-insert rule ip6 filter VYOS_FW6_FORWARD oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE6_{{ zone_name }}
-{% endif %}
-{% endif %}
-{% endfor %}
-
-{# Ensure that state-policy rule is first in the chain #}
-{% if firewall.state_policy is vyos_defined %}
-{% for chain in ['VYOS_FW_FORWARD', 'VYOS_FW_OUTPUT', 'VYOS_FW_LOCAL'] %}
-insert rule ip filter {{ chain }} jump VYOS_STATE_POLICY
-{% endfor %}
-{% for chain in ['VYOS_FW6_FORWARD', 'VYOS_FW6_OUTPUT', 'VYOS_FW6_LOCAL'] %}
-insert rule ip6 filter {{ chain }} jump VYOS_STATE_POLICY6
-{% endfor %}
-{% endif %}
-
-{% endif %}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 17:08:34 +0000