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-rw-r--r--data/templates/firewall/nftables.j2244
1 files changed, 69 insertions, 175 deletions
diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index 5971e1bbc..9d609f73f 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() %}
@@ -122,7 +175,7 @@ table ip6 filter {
{% endif %}
{% endfor %}
{% endif %}
- {{ conf | nft_default_rule(name_text) }}
+ {{ conf | nft_default_rule(name_text, ipv6=True) }}
}
{% endfor %}
{% for set_name in ns.sets %}
@@ -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 %}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 23:39:31 +0000