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-rw-r--r--data/templates/firewall/nftables.j288
1 files changed, 71 insertions, 17 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index 75800ee3d..833df3a67 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -3,6 +3,7 @@
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
{% import 'firewall/nftables-bridge.j2' as bridge_tmpl %}
{% import 'firewall/nftables-offload.j2' as offload_tmpl %}
+{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
flush chain raw vyos_global_rpfilter
flush chain ip6 raw vyos_global_rpfilter
@@ -43,9 +44,11 @@ table ip vyos_filter {
{% 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 }};
+ type filter hook forward priority {{ prior }}; policy accept;
+{% if global_options.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% 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('FWD', prior, rule_id) }}
@@ -54,15 +57,18 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('FWD-filter', 'ipv4') }}
}
{% 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 }};
+ type filter hook input priority {{ prior }}; policy accept;
+{% if global_options.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% 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('INP',prior, rule_id) }}
@@ -71,15 +77,18 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('INP-filter', 'ipv4') }}
}
{% 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 }};
+ type filter hook output priority {{ prior }}; policy accept;
+{% if global_options.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY
+{% 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('OUT', prior, rule_id) }}
@@ -88,6 +97,7 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('OUT-filter', 'ipv4') }}
}
{% endfor %}
{% endif %}
@@ -97,9 +107,8 @@ table ip vyos_filter {
}
{% 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 }};
+ type filter hook prerouting priority {{ prior }}; policy accept;
{% 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) }}
@@ -108,7 +117,7 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
- {{ conf | nft_default_rule(prior) }}
+ {{ conf | nft_default_rule('PRE-filter', 'ipv4') }}
}
{% endfor %}
{% endif %}
@@ -124,7 +133,7 @@ table ip vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
- {{ conf | nft_default_rule(name_text) }}
+ {{ conf | nft_default_rule(name_text, 'ipv4') }}
}
{% endfor %}
{% endif %}
@@ -152,6 +161,24 @@ table ip vyos_filter {
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, False, True) }}
+
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, False, global_options.state_policy is vyos_defined) }}
+{% endif %}
+{% if global_options.state_policy is vyos_defined %}
+ chain VYOS_STATE_POLICY {
+{% if global_options.state_policy.established is vyos_defined %}
+ {{ global_options.state_policy.established | nft_state_policy('established') }}
+{% endif %}
+{% if global_options.state_policy.invalid is vyos_defined %}
+ {{ global_options.state_policy.invalid | nft_state_policy('invalid') }}
+{% endif %}
+{% if global_options.state_policy.related is vyos_defined %}
+ {{ global_options.state_policy.related | nft_state_policy('related') }}
+{% endif %}
+ return
+ }
+{% endif %}
}
{% if first_install is not vyos_defined %}
@@ -168,9 +195,11 @@ table ip6 vyos_filter {
{% 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 }};
+ type filter hook forward priority {{ prior }}; policy accept;
+{% if global_options.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% 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('FWD', prior, rule_id ,'ip6') }}
@@ -179,15 +208,18 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('FWD-filter', 'ipv6') }}
}
{% 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 }};
+ type filter hook input priority {{ prior }}; policy accept;
+{% if global_options.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% 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('INP', prior, rule_id ,'ip6') }}
@@ -196,15 +228,18 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('INP-filter', 'ipv6') }}
}
{% 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 }};
+ type filter hook output priority {{ prior }}; policy accept;
+{% if global_options.state_policy is vyos_defined %}
+ jump VYOS_STATE_POLICY6
+{% 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('OUT', prior, rule_id ,'ip6') }}
@@ -213,6 +248,7 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
+ {{ conf | nft_default_rule('OUT-filter', 'ipv6') }}
}
{% endfor %}
{% endif %}
@@ -233,7 +269,7 @@ table ip6 vyos_filter {
{% endif %}
{% endfor %}
{% endif %}
- {{ conf | nft_default_rule(name_text, ipv6=True) }}
+ {{ conf | nft_default_rule(name_text, 'ipv6') }}
}
{% endfor %}
{% endif %}
@@ -261,6 +297,23 @@ table ip6 vyos_filter {
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, True, True) }}
+{% if zone is vyos_defined %}
+{{ zone_tmpl.zone_chains(zone, True, global_options.state_policy is vyos_defined) }}
+{% endif %}
+{% if global_options.state_policy is vyos_defined %}
+ chain VYOS_STATE_POLICY6 {
+{% if global_options.state_policy.established is vyos_defined %}
+ {{ global_options.state_policy.established | nft_state_policy('established') }}
+{% endif %}
+{% if global_options.state_policy.invalid is vyos_defined %}
+ {{ global_options.state_policy.invalid | nft_state_policy('invalid') }}
+{% endif %}
+{% if global_options.state_policy.related is vyos_defined %}
+ {{ global_options.state_policy.related | nft_state_policy('related') }}
+{% endif %}
+ return
+ }
+{% endif %}
}
## Bridge Firewall
@@ -270,4 +323,5 @@ delete table bridge vyos_filter
table bridge vyos_filter {
{{ bridge_tmpl.bridge(bridge) }}
{{ group_tmpl.groups(group, False, False) }}
+
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 09:49:54 +0000