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|
#!/usr/sbin/nft -f
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
{% 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
}
chain VYOS_FW_LOCAL {
type filter hook input 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.local is vyos_defined and ifconf.local.name is vyos_defined %}
iifname {{ ifname }} counter jump NAME_{{ ifconf.local.name }}
{% endif %}
{% endfor %}
{% endif %}
jump VYOS_POST_FW
}
chain VYOS_FW_OUTPUT {
type filter hook output priority 0; policy accept;
{% if state_policy is vyos_defined %}
jump VYOS_STATE_POLICY
{% endif %}
jump VYOS_POST_FW
}
chain VYOS_POST_FW {
return
}
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() %}
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 %}
{{ 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
size 65535
flags dynamic
}
{% endfor %}
{% if geoip_updated.name is vyos_defined %}
{% for setname in geoip_updated.name %}
set {{ setname }} {
type ipv4_addr
flags interval
}
{% 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 %}
}
{% 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
}
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
}
chain VYOS_POST_FW6 {
return
}
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() %}
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 %}
{{ conf | nft_default_rule(name_text) }}
}
{% endfor %}
{% for set_name in ns.sets %}
set RECENT6_{{ set_name }} {
type ipv6_addr
size 65535
flags dynamic
}
{% endfor %}
{% if geoip_updated.ipv6_name is vyos_defined %}
{% for setname in geoip_updated.ipv6_name %}
set {{ setname }} {
type ipv6_addr
flags interval
}
{% endfor %}
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, True) }}
{% if zone is vyos_defined %}
{{ zone_tmpl.zone_chains(zone, state_policy is vyos_defined, True) }}
{% endif %}
{% if state_policy is vyos_defined %}
chain VYOS_STATE_POLICY6 {
{% if state_policy.established is vyos_defined %}
{{ state_policy.established | nft_state_policy('established', ipv6=True) }}
{% endif %}
{% if state_policy.invalid is vyos_defined %}
{{ state_policy.invalid | nft_state_policy('invalid', ipv6=True) }}
{% endif %}
{% if state_policy.related is vyos_defined %}
{{ state_policy.related | nft_state_policy('related', ipv6=True) }}
{% endif %}
return
}
{% endif %}
}
|
