diff options
Diffstat (limited to 'data/templates/firewall')
| -rw-r--r-- | data/templates/firewall/nftables-bridge.j2 | 35 | ||||
| -rw-r--r-- | data/templates/firewall/nftables-defines.j2 | 14 | ||||
| -rw-r--r-- | data/templates/firewall/nftables-nat.j2 | 2 | ||||
| -rw-r--r-- | data/templates/firewall/nftables-offload.j2 | 11 | ||||
| -rw-r--r-- | data/templates/firewall/nftables-policy.j2 | 4 | ||||
| -rw-r--r-- | data/templates/firewall/nftables-vrf-zones.j2 | 4 | ||||
| -rw-r--r-- | data/templates/firewall/nftables.j2 | 65 |
7 files changed, 111 insertions, 24 deletions
diff --git a/data/templates/firewall/nftables-bridge.j2 b/data/templates/firewall/nftables-bridge.j2 new file mode 100644 index 000000000..7f94e10d6 --- /dev/null +++ b/data/templates/firewall/nftables-bridge.j2 @@ -0,0 +1,35 @@ +{% macro bridge(bridge) %} +{% set ns = namespace(sets=[]) %} +{% if bridge.forward is vyos_defined %} +{% for prior, conf in bridge.forward.items() %} +{% set def_action = conf.default_action %} + chain VYOS_FORWARD_{{ prior }} { + type filter hook forward priority {{ prior }}; policy {{ def_action }}; +{% if conf.rule is vyos_defined %} +{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} + {{ rule_conf | nft_rule('FWD', prior, rule_id, 'bri') }} +{% if rule_conf.recent is vyos_defined %} +{% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %} +{% endif %} +{% endfor %} +{% endif %} + } +{% endfor %} +{% endif %} + +{% if bridge.name is vyos_defined %} +{% for name_text, conf in bridge.name.items() %} + chain NAME_{{ name_text }} { +{% if conf.rule is vyos_defined %} +{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} + {{ rule_conf | nft_rule('NAM', name_text, rule_id, 'bri') }} +{% if rule_conf.recent is vyos_defined %} +{% set ns.sets = ns.sets + ['NAM_' + name_text + '_' + rule_id] %} +{% endif %} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule(name_text) }} + } +{% endfor %} +{% endif %} +{% endmacro %} diff --git a/data/templates/firewall/nftables-defines.j2 b/data/templates/firewall/nftables-defines.j2 index 0a7e79edd..a20c399ae 100644 --- a/data/templates/firewall/nftables-defines.j2 +++ b/data/templates/firewall/nftables-defines.j2 @@ -1,7 +1,7 @@ -{% macro groups(group, is_ipv6) %} +{% macro groups(group, is_ipv6, is_l3) %} {% if group is vyos_defined %} {% set ip_type = 'ipv6_addr' if is_ipv6 else 'ipv4_addr' %} -{% if group.address_group is vyos_defined and not is_ipv6 %} +{% if group.address_group is vyos_defined and not is_ipv6 and is_l3 %} {% for group_name, group_conf in group.address_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set A_{{ group_name }} { @@ -14,7 +14,7 @@ } {% endfor %} {% endif %} -{% if group.ipv6_address_group is vyos_defined and is_ipv6 %} +{% if group.ipv6_address_group is vyos_defined and is_ipv6 and is_l3 %} {% for group_name, group_conf in group.ipv6_address_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set A6_{{ group_name }} { @@ -27,7 +27,7 @@ } {% endfor %} {% endif %} -{% if group.domain_group is vyos_defined %} +{% if group.domain_group is vyos_defined and is_l3 %} {% for name, name_config in group.domain_group.items() %} set D_{{ name }} { type {{ ip_type }} @@ -46,7 +46,7 @@ } {% endfor %} {% endif %} -{% if group.network_group is vyos_defined and not is_ipv6 %} +{% if group.network_group is vyos_defined and not is_ipv6 and is_l3 %} {% for group_name, group_conf in group.network_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set N_{{ group_name }} { @@ -59,7 +59,7 @@ } {% endfor %} {% endif %} -{% if group.ipv6_network_group is vyos_defined and is_ipv6 %} +{% if group.ipv6_network_group is vyos_defined and is_ipv6 and is_l3 %} {% for group_name, group_conf in group.ipv6_network_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set N6_{{ group_name }} { @@ -72,7 +72,7 @@ } {% endfor %} {% endif %} -{% if group.port_group is vyos_defined %} +{% if group.port_group is vyos_defined and is_l3 %} {% for group_name, group_conf in group.port_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set P_{{ group_name }} { diff --git a/data/templates/firewall/nftables-nat.j2 b/data/templates/firewall/nftables-nat.j2 index f0be3cf5d..dcf28da88 100644 --- a/data/templates/firewall/nftables-nat.j2 +++ b/data/templates/firewall/nftables-nat.j2 @@ -62,6 +62,6 @@ table ip vyos_nat { return } -{{ group_tmpl.groups(firewall_group, False) }} +{{ group_tmpl.groups(firewall_group, False, True) }} } {% endif %} diff --git a/data/templates/firewall/nftables-offload.j2 b/data/templates/firewall/nftables-offload.j2 new file mode 100644 index 000000000..6afcd79f7 --- /dev/null +++ b/data/templates/firewall/nftables-offload.j2 @@ -0,0 +1,11 @@ +{% macro render_flowtable(name, devices, priority='filter', hardware_offload=false, with_counter=true) %} +flowtable {{ name }} { + hook ingress priority {{ priority }}; devices = { {{ devices | join(', ') }} }; +{% if hardware_offload %} + flags offload; +{% endif %} +{% if with_counter %} + counter +{% endif %} +} +{% endmacro %} diff --git a/data/templates/firewall/nftables-policy.j2 b/data/templates/firewall/nftables-policy.j2 index 699349e2b..d77e3f6e9 100644 --- a/data/templates/firewall/nftables-policy.j2 +++ b/data/templates/firewall/nftables-policy.j2 @@ -32,7 +32,7 @@ table ip vyos_mangle { {% endfor %} {% endif %} -{{ group_tmpl.groups(firewall_group, False) }} +{{ group_tmpl.groups(firewall_group, False, True) }} } table ip6 vyos_mangle { @@ -61,5 +61,5 @@ table ip6 vyos_mangle { {% endfor %} {% endif %} -{{ group_tmpl.groups(firewall_group, True) }} +{{ group_tmpl.groups(firewall_group, True, True) }} } diff --git a/data/templates/firewall/nftables-vrf-zones.j2 b/data/templates/firewall/nftables-vrf-zones.j2 index eecf47b78..3bce7312d 100644 --- a/data/templates/firewall/nftables-vrf-zones.j2 +++ b/data/templates/firewall/nftables-vrf-zones.j2 @@ -7,11 +7,11 @@ table inet vrf_zones { # Chain for inbound traffic chain vrf_zones_ct_in { type filter hook prerouting priority raw; policy accept; - counter ct zone set iifname map @ct_iface_map + counter ct original zone set iifname map @ct_iface_map } # Chain for locally-generated traffic chain vrf_zones_ct_out { type filter hook output priority raw; policy accept; - counter ct zone set oifname map @ct_iface_map + counter ct original zone set oifname map @ct_iface_map } } diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index 0fbddfaa9..db010257d 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -1,33 +1,42 @@ #!/usr/sbin/nft -f {% import 'firewall/nftables-defines.j2' as group_tmpl %} +{% import 'firewall/nftables-bridge.j2' as bridge_tmpl %} +{% import 'firewall/nftables-offload.j2' as offload %} flush chain raw FW_CONNTRACK flush chain ip6 raw FW_CONNTRACK +flush chain raw vyos_global_rpfilter +flush chain ip6 raw vyos_global_rpfilter + table raw { chain FW_CONNTRACK { {{ ipv4_conntrack_action }} } + + chain vyos_global_rpfilter { +{% if global_options.source_validation is vyos_defined('loose') %} + fib saddr oif 0 counter drop +{% elif global_options.source_validation is vyos_defined('strict') %} + fib saddr . iif oif 0 counter drop +{% endif %} + return + } } table ip6 raw { chain FW_CONNTRACK { {{ ipv6_conntrack_action }} } -} -{% if first_install is not vyos_defined %} -delete table inet vyos_global_rpfilter -{% endif %} -table inet vyos_global_rpfilter { - chain PREROUTING { - type filter hook prerouting priority -300; policy accept; -{% if global_options.source_validation is vyos_defined('loose') %} + chain vyos_global_rpfilter { +{% if global_options.ipv6_source_validation is vyos_defined('loose') %} fib saddr oif 0 counter drop -{% elif global_options.source_validation is vyos_defined('strict') %} +{% elif global_options.ipv6_source_validation is vyos_defined('strict') %} fib saddr . iif oif 0 counter drop {% endif %} + return } } @@ -147,7 +156,7 @@ table ip vyos_filter { {% endfor %} {% endif %} {% endif %} -{{ group_tmpl.groups(group, False) }} +{{ group_tmpl.groups(group, False, True) }} } {% if first_install is not vyos_defined %} @@ -250,5 +259,37 @@ table ip6 vyos_filter { {% endfor %} {% endif %} {% endif %} -{{ group_tmpl.groups(group, True) }} -}
\ No newline at end of file +{{ group_tmpl.groups(group, True, True) }} +} + +## Bridge Firewall +{% if first_install is not vyos_defined %} +delete table bridge vyos_filter +{% endif %} +{% if bridge is vyos_defined %} +table bridge vyos_filter { +{{ bridge_tmpl.bridge(bridge) }} +{{ group_tmpl.groups(group, False, False) }} +} +{% endif %} + +table inet vyos_offload +delete table inet vyos_offload +table inet vyos_offload { +{% if flowtable_enabled %} +{% if global_options.flow_offload.hardware.interface is vyos_defined %} + {{- offload.render_flowtable('VYOS_FLOWTABLE_hardware', global_options.flow_offload.hardware.interface | list, priority='filter - 2', hardware_offload=true) }} + chain VYOS_OFFLOAD_hardware { + type filter hook forward priority filter - 2; policy accept; + ct state { established, related } meta l4proto { tcp, udp } flow add @VYOS_FLOWTABLE_hardware + } +{% endif %} +{% if global_options.flow_offload.software.interface is vyos_defined %} + {{- offload.render_flowtable('VYOS_FLOWTABLE_software', global_options.flow_offload.software.interface | list, priority='filter - 1') }} + chain VYOS_OFFLOAD_software { + type filter hook forward priority filter - 1; policy accept; + ct state { established, related } meta l4proto { tcp, udp } flow add @VYOS_FLOWTABLE_software + } +{% endif %} +{% endif %} +} |