diff options
Diffstat (limited to 'data/templates/firewall/nftables.j2')
-rw-r--r-- | data/templates/firewall/nftables.j2 | 242 |
1 files changed, 68 insertions, 174 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index 5971e1bbc..c0780dad5 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -1,25 +1,48 @@ #!/usr/sbin/nft -f {% import 'firewall/nftables-defines.j2' as group_tmpl %} +{% import 'firewall/nftables-zone.j2' as zone_tmpl %} -{% if cleanup_commands is vyos_defined %} -{% for command in cleanup_commands %} -{{ command }} -{% endfor %} +{% if first_install is not vyos_defined %} +delete table ip vyos_filter {% endif %} - -table ip filter { -{% if first_install is vyos_defined %} +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 { @@ -29,7 +52,6 @@ table ip filter { type filter hook prerouting priority -450; policy accept; ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return } -{% endif %} {% if name is vyos_defined %} {% set ns = namespace(sets=[]) %} {% for name_text, conf in name.items() %} @@ -72,6 +94,10 @@ table ip filter { {{ 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 %} @@ -88,18 +114,46 @@ table ip filter { {% endif %} } -table ip6 filter { -{% if first_install is vyos_defined %} +{% 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 { @@ -109,7 +163,6 @@ table ip6 filter { type filter hook prerouting priority -450; policy accept; exthdr frag exists meta mark set 0xffff1 return } -{% endif %} {% if ipv6_name is vyos_defined %} {% set ns = namespace(sets=[]) %} {% for name_text, conf in ipv6_name.items() %} @@ -144,6 +197,10 @@ table ip6 filter { {{ 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 %} @@ -159,166 +216,3 @@ table ip6 filter { } {% endif %} } - -{% if first_install is vyos_defined %} -table ip nat { - chain PREROUTING { - type nat hook prerouting priority -100; policy accept; - counter jump VYOS_PRE_DNAT_HOOK - } - - chain POSTROUTING { - type nat hook postrouting priority 100; policy accept; - counter jump VYOS_PRE_SNAT_HOOK - } - - chain VYOS_PRE_DNAT_HOOK { - return - } - - chain VYOS_PRE_SNAT_HOOK { - return - } -} - -table ip vyos_static_nat { - chain PREROUTING { - type nat hook prerouting priority -100; policy accept; - counter jump VYOS_PRE_DNAT_HOOK - } - - chain POSTROUTING { - type nat hook postrouting priority 100; policy accept; - counter jump VYOS_PRE_SNAT_HOOK - } - - chain VYOS_PRE_DNAT_HOOK { - return - } - - chain VYOS_PRE_SNAT_HOOK { - return - } -} - -table ip6 nat { - chain PREROUTING { - type nat hook prerouting priority -100; policy accept; - counter jump VYOS_DNPT_HOOK - } - - chain POSTROUTING { - type nat hook postrouting priority 100; policy accept; - counter jump VYOS_SNPT_HOOK - } - - chain VYOS_DNPT_HOOK { - return - } - - chain VYOS_SNPT_HOOK { - return - } -} - -table inet mangle { - chain FORWARD { - type filter hook forward priority -150; policy accept; - } -} - -table raw { - chain VYOS_TCP_MSS { - type filter hook forward priority -300; policy accept; - } - - chain PREROUTING { - type filter hook prerouting priority -200; policy accept; - counter jump VYOS_CT_IGNORE - counter jump VYOS_CT_TIMEOUT - counter jump VYOS_CT_PREROUTING_HOOK - counter jump FW_CONNTRACK - notrack - } - - chain OUTPUT { - type filter hook output priority -200; policy accept; - counter jump VYOS_CT_IGNORE - counter jump VYOS_CT_TIMEOUT - counter jump VYOS_CT_OUTPUT_HOOK - counter jump FW_CONNTRACK - notrack - } - - ct helper rpc_tcp { - type "rpc" protocol tcp; - } - - ct helper rpc_udp { - type "rpc" protocol udp; - } - - ct helper tns_tcp { - type "tns" protocol tcp; - } - - chain VYOS_CT_HELPER { - ct helper set "rpc_tcp" tcp dport {111} return - ct helper set "rpc_udp" udp dport {111} return - ct helper set "tns_tcp" tcp dport {1521,1525,1536} return - return - } - - chain VYOS_CT_IGNORE { - return - } - - chain VYOS_CT_TIMEOUT { - return - } - - chain VYOS_CT_PREROUTING_HOOK { - return - } - - chain VYOS_CT_OUTPUT_HOOK { - return - } - - chain FW_CONNTRACK { - accept - } -} - -table ip6 raw { - chain VYOS_TCP_MSS { - type filter hook forward priority -300; policy accept; - } - - chain PREROUTING { - type filter hook prerouting priority -300; policy accept; - counter jump VYOS_CT_PREROUTING_HOOK - counter jump FW_CONNTRACK - notrack - } - - chain OUTPUT { - type filter hook output priority -300; policy accept; - counter jump VYOS_CT_OUTPUT_HOOK - counter jump FW_CONNTRACK - notrack - } - - chain VYOS_CT_PREROUTING_HOOK { - return - } - - chain VYOS_CT_OUTPUT_HOOK { - return - } - - chain FW_CONNTRACK { - accept - } -} -{% endif %} |