diff options
Diffstat (limited to 'data/templates/firewall/nftables.j2')
-rw-r--r-- | data/templates/firewall/nftables.j2 | 113 |
1 files changed, 96 insertions, 17 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index a82a5537b..4851e3a05 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -1,6 +1,9 @@ #!/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_tmpl %} +{% import 'firewall/nftables-zone.j2' as zone_tmpl %} flush chain raw FW_CONNTRACK flush chain ip6 raw FW_CONNTRACK @@ -43,12 +46,20 @@ delete table ip vyos_filter {% endif %} table ip vyos_filter { {% if ipv4 is vyos_defined %} +{% if flowtable is vyos_defined %} +{% for name, flowtable_conf in flowtable.items() %} +{{ offload_tmpl.flowtable(name, flowtable_conf) }} +{% endfor %} +{% endif %} + {% 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) }} @@ -57,15 +68,18 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} + {{ conf | nft_default_rule('FWD-filter') }} } {% 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) }} @@ -74,15 +88,18 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} + {{ conf | nft_default_rule('INP-filter') }} } {% 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) }} @@ -91,6 +108,7 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} + {{ conf | nft_default_rule('OUT-filter') }} } {% endfor %} {% endif %} @@ -100,9 +118,8 @@ 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) }} @@ -111,7 +128,7 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule(prior) }} + {{ conf | nft_default_rule('PRE-filter') }} } {% endfor %} {% endif %} @@ -154,7 +171,25 @@ table ip vyos_filter { {% endfor %} {% endif %} {% endif %} -{{ group_tmpl.groups(group, False) }} +{{ 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 %} @@ -162,12 +197,20 @@ delete table ip6 vyos_filter {% endif %} table ip6 vyos_filter { {% if ipv6 is vyos_defined %} +{% if flowtable is vyos_defined %} +{% for name, flowtable_conf in flowtable.items() %} +{{ offload_tmpl.flowtable(name, flowtable_conf) }} +{% endfor %} +{% endif %} + {% 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') }} @@ -176,15 +219,18 @@ table ip6 vyos_filter { {% endif %} {% endfor %} {% endif %} + {{ conf | nft_default_rule('FWD-filter', ipv6=True) }} } {% 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') }} @@ -193,15 +239,18 @@ table ip6 vyos_filter { {% endif %} {% endfor %} {% endif %} + {{ conf | nft_default_rule('INP-filter', ipv6=True) }} } {% 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') }} @@ -210,6 +259,7 @@ table ip6 vyos_filter { {% endif %} {% endfor %} {% endif %} + {{ conf | nft_default_rule('OUT-filter', ipv6=True) }} } {% endfor %} {% endif %} @@ -257,5 +307,34 @@ table ip6 vyos_filter { {% endfor %} {% endif %} {% endif %} -{{ group_tmpl.groups(group, True) }} +{{ 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 +{% if first_install is not vyos_defined %} +delete table bridge vyos_filter +{% endif %} +table bridge vyos_filter { +{{ bridge_tmpl.bridge(bridge) }} +{{ group_tmpl.groups(group, False, False) }} + }
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