diff options
Diffstat (limited to 'data/templates/firewall/nftables.j2')
-rwxr-xr-x[-rw-r--r--] | data/templates/firewall/nftables.j2 | 160 |
1 files changed, 141 insertions, 19 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index 833df3a67..67473da8e 100644..100755 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -57,7 +57,7 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule('FWD-filter', 'ipv4') }} + {{ conf | nft_default_rule('FWD-' + prior, 'ipv4') }} } {% endfor %} {% endif %} @@ -77,7 +77,7 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule('INP-filter', 'ipv4') }} + {{ conf | nft_default_rule('INP-' + prior, 'ipv4') }} } {% endfor %} {% endif %} @@ -86,7 +86,7 @@ table ip vyos_filter { {% for prior, conf in ipv4.output.items() %} chain VYOS_OUTPUT_{{ prior }} { type filter hook output priority {{ prior }}; policy accept; -{% if global_options.state_policy is vyos_defined %} +{% if global_options.state_policy is vyos_defined and prior == 'filter' %} jump VYOS_STATE_POLICY {% endif %} {% if conf.rule is vyos_defined %} @@ -97,14 +97,11 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule('OUT-filter', 'ipv4') }} + {{ conf | nft_default_rule('OUT-' + prior, 'ipv4') }} } {% 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 ipv4.prerouting is vyos_defined %} {% for prior, conf in ipv4.prerouting.items() %} chain VYOS_PREROUTING_{{ prior }} { @@ -117,11 +114,16 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule('PRE-filter', 'ipv4') }} + {{ conf | nft_default_rule('PRE-' + prior, 'ipv4') }} } {% 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 ipv4.name is vyos_defined %} {% for name_text, conf in ipv4.name.items() %} chain NAME_{{ name_text }} { @@ -133,7 +135,7 @@ table ip vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule(name_text, 'ipv4') }} + {{ conf | nft_default_rule('NAM-' + name_text, 'ipv4') }} } {% endfor %} {% endif %} @@ -202,13 +204,13 @@ table ip6 vyos_filter { {% 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') }} + {{ 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 %} - {{ conf | nft_default_rule('FWD-filter', 'ipv6') }} + {{ conf | nft_default_rule('FWD-' + prior, 'ipv6') }} } {% endfor %} {% endif %} @@ -222,13 +224,13 @@ table ip6 vyos_filter { {% 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') }} + {{ 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 %} - {{ conf | nft_default_rule('INP-filter', 'ipv6') }} + {{ conf | nft_default_rule('INP-' + prior, 'ipv6') }} } {% endfor %} {% endif %} @@ -237,22 +239,38 @@ table ip6 vyos_filter { {% for prior, conf in ipv6.output.items() %} chain VYOS_IPV6_OUTPUT_{{ prior }} { type filter hook output priority {{ prior }}; policy accept; -{% if global_options.state_policy is vyos_defined %} +{% if global_options.state_policy is vyos_defined and prior == 'filter' %} 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') }} + {{ 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 %} - {{ conf | nft_default_rule('OUT-filter', 'ipv6') }} + {{ conf | nft_default_rule('OUT-' + prior, 'ipv6') }} } {% endfor %} {% endif %} +{% if ipv6.prerouting is vyos_defined %} +{% for prior, conf in ipv6.prerouting.items() %} + chain VYOS_IPV6_PREROUTING_{{ prior }} { + 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, 'ip6') }} +{% if rule_conf.recent is vyos_defined %} +{% set ns.sets = ns.sets + ['PRE_' + prior + '_' + rule_id] %} +{% endif %} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule('PRE-' + prior, 'ipv6') }} + } +{% endfor %} +{% endif %} chain VYOS_FRAG6_MARK { type filter hook prerouting priority -450; policy accept; exthdr frag exists meta mark set 0xffff1 return @@ -269,7 +287,7 @@ table ip6 vyos_filter { {% endif %} {% endfor %} {% endif %} - {{ conf | nft_default_rule(name_text, 'ipv6') }} + {{ conf | nft_default_rule('NAM-' + name_text, 'ipv6') }} } {% endfor %} {% endif %} @@ -321,7 +339,111 @@ table ip6 vyos_filter { delete table bridge vyos_filter {% endif %} table bridge vyos_filter { -{{ bridge_tmpl.bridge(bridge) }} +{% if bridge is vyos_defined %} +{% if bridge.forward is vyos_defined %} +{% for prior, conf in bridge.forward.items() %} + chain VYOS_FORWARD_{{ prior }} { + 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, 'bri') }} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule('FWD-' + prior, 'bri') }} + } +{% endfor %} +{% endif %} + +{% if bridge.input is vyos_defined %} +{% for prior, conf in bridge.input.items() %} + chain VYOS_INPUT_{{ prior }} { + 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, 'bri') }} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule('INP-' + prior, 'bri') }} + } +{% endfor %} +{% endif %} + +{% if bridge.output is vyos_defined %} +{% for prior, conf in bridge.output.items() %} + chain VYOS_OUTPUT_{{ prior }} { + type filter hook output priority {{ prior }}; policy accept; +{% if global_options.apply_to_bridged_traffic is vyos_defined %} +{% if 'invalid_connections' in global_options.apply_to_bridged_traffic %} + ct state invalid udp sport 67 udp dport 68 counter accept + ct state invalid ether type arp counter accept + ct state invalid ether type 0x8864 counter accept +{% endif %} +{% endif %} +{% 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, 'bri') }} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule('OUT-' + prior, 'bri') }} + } +{% endfor %} +{% endif %} + +{% if bridge.prerouting is vyos_defined %} +{% for prior, conf in bridge.prerouting.items() %} + chain VYOS_PREROUTING_{{ prior }} { + 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, 'bri') }} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule('PRE-' + prior, 'bri') }} + } +{% 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('NAM-' + name_text, 'bri') }} + } +{% endfor %} +{% endif %} + +{% endif %} {{ group_tmpl.groups(group, False, False) }} +{{ group_tmpl.groups(group, True, False) }} +{% 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', bridge=True) }} +{% endif %} +{% if global_options.state_policy.invalid is vyos_defined %} + {{ global_options.state_policy.invalid | nft_state_policy('invalid', bridge=True) }} +{% endif %} +{% if global_options.state_policy.related is vyos_defined %} + {{ global_options.state_policy.related | nft_state_policy('related', bridge=True) }} +{% endif %} + return + } +{% endif %} } |