summaryrefslogtreecommitdiff
path: root/data/templates/firewall/nftables.j2
diff options
context:
space:
mode:
Diffstat (limited to 'data/templates/firewall/nftables.j2')
-rw-r--r--data/templates/firewall/nftables.j2365
1 files changed, 222 insertions, 143 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index a0f0b8c11..1b764c9da 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -1,80 +1,139 @@
#!/usr/sbin/nft -f
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
-{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
+{% import 'firewall/nftables-bridge.j2' as bridge_tmpl %}
+{% import 'firewall/nftables-offload.j2' as offload %}
-{% if first_install is not vyos_defined %}
-delete table ip vyos_filter
-{% endif %}
-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
+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_FW_LOCAL {
- type filter hook input priority 0; policy accept;
-{% if state_policy is vyos_defined %}
- jump VYOS_STATE_POLICY
+
+ 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 %}
-{% 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 %}
+ return
+ }
+}
+
+table ip6 raw {
+ chain FW_CONNTRACK {
+ {{ ipv6_conntrack_action }}
+ }
+
+ chain vyos_global_rpfilter {
+{% if global_options.ipv6_source_validation is vyos_defined('loose') %}
+ fib saddr oif 0 counter drop
+{% elif global_options.ipv6_source_validation is vyos_defined('strict') %}
+ fib saddr . iif oif 0 counter drop
{% endif %}
- jump VYOS_POST_FW
+ return
}
- chain VYOS_FW_OUTPUT {
- type filter hook output priority 0; policy accept;
-{% if state_policy is vyos_defined %}
- jump VYOS_STATE_POLICY
+}
+
+{% if first_install is not vyos_defined %}
+delete table ip vyos_filter
{% endif %}
- jump VYOS_POST_FW
+table ip vyos_filter {
+{% if ipv4 is vyos_defined %}
+{% set ns = namespace(sets=[]) %}
+{% if ipv4.forward is vyos_defined %}
+{% for prior, conf in ipv4.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) }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
}
- chain VYOS_POST_FW {
- return
+{% endfor %}
+{% endif %}
+
+{% if ipv4.input is vyos_defined %}
+{% for prior, conf in ipv4.input.items() %}
+{% set def_action = conf.default_action %}
+ chain VYOS_INPUT_{{ prior }} {
+ type filter hook input 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('INP',prior, rule_id) }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['INP_' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
+ }
+{% endfor %}
+{% endif %}
+
+{% if ipv4.output is vyos_defined %}
+{% for prior, conf in ipv4.output.items() %}
+{% set def_action = conf.default_action %}
+ chain VYOS_OUTPUT_{{ prior }} {
+ type filter hook output 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('OUT', prior, rule_id) }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['OUT_' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
}
+{% endfor %}
+{% endif %}
chain VYOS_FRAG_MARK {
type filter hook prerouting priority -450; policy accept;
ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return
}
-{% if name is vyos_defined %}
-{% set ns = namespace(sets=[]) %}
-{% for name_text, conf in name.items() %}
+{% if ipv4.prerouting is vyos_defined %}
+{% for prior, conf in ipv4.prerouting.items() %}
+{% set def_action = conf.default_action %}
+ chain VYOS_PREROUTING_{{ prior }} {
+ type filter hook prerouting 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('PRE', prior, rule_id) }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['PRE_' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
+ {{ conf | nft_default_rule(prior) }}
+ }
+{% endfor %}
+{% endif %}
+
+{% if ipv4.name is vyos_defined %}
+{% for name_text, conf in ipv4.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(name_text, rule_id) }}
-{% if rule_conf.recent is vyos_defined %}
-{% set ns.sets = ns.sets + [name_text + '_' + rule_id] %}
-{% endif %}
-{% endfor %}
-{% endif %}
+{% 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) }}
+{% 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 %}
-{% if group is vyos_defined and group.domain_group is vyos_defined %}
-{% for name, name_config in group.domain_group.items() %}
- set D_{{ name }} {
- type ipv4_addr
- flags interval
- }
{% endfor %}
{% endif %}
+
{% for set_name in ns.sets %}
set RECENT_{{ set_name }} {
type ipv4_addr
@@ -82,6 +141,12 @@ table ip vyos_filter {
flags dynamic
}
{% endfor %}
+{% for set_name in ip_fqdn %}
+ set FQDN_{{ set_name }} {
+ type ipv4_addr
+ flags interval
+ }
+{% endfor %}
{% if geoip_updated.name is vyos_defined %}
{% for setname in geoip_updated.name %}
set {{ setname }} {
@@ -91,93 +156,87 @@ table ip vyos_filter {
{% endfor %}
{% endif %}
{% endif %}
-
-{{ 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 %}
- {{ state_policy.established | nft_state_policy('established') }}
-{% endif %}
-{% if state_policy.invalid is vyos_defined %}
- {{ state_policy.invalid | nft_state_policy('invalid') }}
-{% endif %}
-{% if state_policy.related is vyos_defined %}
- {{ state_policy.related | nft_state_policy('related') }}
-{% endif %}
- return
- }
-{% endif %}
+{{ group_tmpl.groups(group, False, True) }}
}
{% 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
+{% if ipv6 is vyos_defined %}
+{% set ns = namespace(sets=[]) %}
+{% if ipv6.forward is vyos_defined %}
+{% for prior, conf in ipv6.forward.items() %}
+{% set def_action = conf.default_action %}
+ chain VYOS_IPV6_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 ,'ip6') }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
}
- 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
+{% endfor %}
+{% endif %}
+
+{% if ipv6.input is vyos_defined %}
+{% for prior, conf in ipv6.input.items() %}
+{% set def_action = conf.default_action %}
+ chain VYOS_IPV6_INPUT_{{ prior }} {
+ type filter hook input 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('INP', prior, rule_id ,'ip6') }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['INP_' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
}
- chain VYOS_POST_FW6 {
- return
+{% endfor %}
+{% endif %}
+
+{% if ipv6.output is vyos_defined %}
+{% for prior, conf in ipv6.output.items() %}
+{% set def_action = conf.default_action %}
+ chain VYOS_IPV6_OUTPUT_{{ prior }} {
+ type filter hook output 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('OUT', prior, rule_id ,'ip6') }}
+{% if rule_conf.recent is vyos_defined %}
+{% set ns.sets = ns.sets + ['OUT_ ' + prior + '_' + rule_id] %}
+{% endif %}
+{% endfor %}
+{% endif %}
}
+{% endfor %}
+{% endif %}
+
chain VYOS_FRAG6_MARK {
type filter hook prerouting priority -450; policy accept;
exthdr frag exists meta mark set 0xffff1 return
}
-{% if ipv6_name is vyos_defined %}
-{% set ns = namespace(sets=[]) %}
-{% for name_text, conf in ipv6_name.items() %}
+
+{% if ipv6.name is vyos_defined %}
+{% for name_text, conf in ipv6.name.items() %}
chain NAME6_{{ 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(name_text, rule_id, 'ip6') }}
-{% if rule_conf.recent is vyos_defined %}
-{% set ns.sets = ns.sets + [name_text + '_' + rule_id] %}
-{% endif %}
-{% endfor %}
-{% endif %}
+{% 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, 'ip6') }}
+{% 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, ipv6=True) }}
}
-{% endfor %}
+{% endfor %}
+{% endif %}
+
{% for set_name in ns.sets %}
set RECENT6_{{ set_name }} {
type ipv6_addr
@@ -185,6 +244,12 @@ table ip6 vyos_filter {
flags dynamic
}
{% endfor %}
+{% for set_name in ip6_fqdn %}
+ set FQDN_{{ set_name }} {
+ type ipv6_addr
+ flags interval
+ }
+{% endfor %}
{% if geoip_updated.ipv6_name is vyos_defined %}
{% for setname in geoip_updated.ipv6_name %}
set {{ setname }} {
@@ -194,25 +259,39 @@ table ip6 vyos_filter {
{% endfor %}
{% endif %}
{% endif %}
+{{ group_tmpl.groups(group, True, True) }}
+}
-{{ group_tmpl.groups(group, True) }}
-
-{% if zone is vyos_defined %}
-{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, 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 %}
+{{ group_tmpl.groups(group, True) }}
+}
-{% if state_policy is vyos_defined %}
- chain VYOS_STATE_POLICY6 {
-{% if state_policy.established is vyos_defined %}
- {{ state_policy.established | nft_state_policy('established') }}
-{% endif %}
-{% if state_policy.invalid is vyos_defined %}
- {{ state_policy.invalid | nft_state_policy('invalid') }}
-{% endif %}
-{% if state_policy.related is vyos_defined %}
- {{ state_policy.related | nft_state_policy('related') }}
+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 %}
- return
+{% 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 %}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 21:35:25 +0000