conntrack: T4309: T4903: Refactor `system conntrack ignore` rule generation, add IPv6 support and firewall groups

12 files changed, 476 insertions, 109 deletions

diff --git a/data/config-mode-dependencies.json b/data/config-mode-dependencies.json
index 91a757c16..08732bd4c 100644
--- a/data/config-mode-dependencies.json
+++ b/data/config-mode-dependencies.json
@@ -1,5 +1,5 @@
 {
-  "firewall": {"group_resync": ["nat", "policy-route"]},
+  "firewall": {"group_resync": ["conntrack", "nat", "policy-route"]},
   "http_api": {"https": ["https"]},
   "pki": {
            "ethernet": ["interfaces-ethernet"],
diff --git a/data/templates/conntrack/nftables-ct.j2 b/data/templates/conntrack/nftables-ct.j2
index 16a03fc6e..970869043 100644
--- a/data/templates/conntrack/nftables-ct.j2
+++ b/data/templates/conntrack/nftables-ct.j2
@@ -1,5 +1,7 @@
 #!/usr/sbin/nft -f
 
+{% import 'firewall/nftables-defines.j2' as group_tmpl %}
+
 {% set nft_ct_ignore_name = 'VYOS_CT_IGNORE' %}
 {% set nft_ct_timeout_name = 'VYOS_CT_TIMEOUT' %}
 
@@ -10,29 +12,35 @@ flush chain raw {{ nft_ct_timeout_name }}
 
 table raw {
     chain {{ nft_ct_ignore_name }} {
-{% if ignore.rule is vyos_defined %}
-{%     for rule, rule_config in ignore.rule.items() %}
+{% if ignore.ipv4.rule is vyos_defined %}
+{%     for rule, rule_config in ignore.ipv4.rule.items() %}
+        # rule-{{ rule }} {{ '- ' ~ rule_config.description if rule_config.description is vyos_defined }}
+       {{ rule_config | conntrack_ignore_rule(rule, ipv6=False) }}
+{%     endfor %}
+{% endif %}
+        return
+    }
+    chain {{ nft_ct_timeout_name }} {
+{% if timeout.custom.rule is vyos_defined %}
+{%     for rule, rule_config in timeout.custom.rule.items() %}
+        # rule-{{ rule }} {{ '- ' ~ rule_config.description if rule_config.description is vyos_defined }}
+{%     endfor %}
+{% endif %}
+        return
+    }
+
+{{ group_tmpl.groups(firewall_group, False) }}
+}
+
+flush chain ip6 raw {{ nft_ct_ignore_name }}
+flush chain ip6 raw {{ nft_ct_timeout_name }}
+
+table ip6 raw {
+    chain {{ nft_ct_ignore_name }} {
+{% if ignore.ipv6.rule is vyos_defined %}
+{%     for rule, rule_config in ignore.ipv6.rule.items() %}
         # rule-{{ rule }} {{ '- ' ~ rule_config.description if rule_config.description is vyos_defined }}
-{%         set nft_command = '' %}
-{%         if rule_config.inbound_interface is vyos_defined %}
-{%             set nft_command = nft_command ~ ' iifname ' ~ rule_config.inbound_interface %}
-{%         endif %}
-{%         if rule_config.protocol is vyos_defined %}
-{%             set nft_command = nft_command ~ ' ip protocol ' ~ rule_config.protocol %}
-{%         endif %}
-{%         if rule_config.destination.address is vyos_defined %}
-{%             set nft_command = nft_command ~ ' ip daddr ' ~ rule_config.destination.address %}
-{%         endif %}
-{%         if rule_config.destination.port is vyos_defined %}
-{%             set nft_command = nft_command ~ ' ' ~ rule_config.protocol ~ ' dport { ' ~ rule_config.destination.port ~ ' }' %}
-{%         endif %}
-{%         if rule_config.source.address is vyos_defined %}
-{%             set nft_command = nft_command ~ ' ip saddr ' ~ rule_config.source.address %}
-{%         endif %}
-{%         if rule_config.source.port is vyos_defined %}
-{%             set nft_command = nft_command ~ ' ' ~ rule_config.protocol ~ ' sport { ' ~ rule_config.source.port ~ ' }' %}
-{%         endif %}
-       {{ nft_command }} counter notrack comment ignore-{{ rule }}
+       {{ rule_config | conntrack_ignore_rule(rule, ipv6=True) }}
 {%     endfor %}
 {% endif %}
         return
@@ -45,4 +53,6 @@ table raw {
 {% endif %}
         return
     }
+
+{{ group_tmpl.groups(firewall_group, True) }}
 }
diff --git a/data/vyos-firewall-init.conf b/data/vyos-firewall-init.conf
index 41e7627f5..768031c83 100644
--- a/data/vyos-firewall-init.conf
+++ b/data/vyos-firewall-init.conf
@@ -88,6 +88,8 @@ table ip6 raw {
 
     chain PREROUTING {
         type filter hook prerouting priority -300; policy accept;
+        counter jump VYOS_CT_IGNORE
+        counter jump VYOS_CT_TIMEOUT
         counter jump VYOS_CT_PREROUTING_HOOK
         counter jump FW_CONNTRACK
         notrack
@@ -95,11 +97,40 @@ table ip6 raw {
 
     chain OUTPUT {
         type filter hook output priority -300; 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
     }
diff --git a/interface-definitions/include/firewall/source-destination-group-ipv4.xml.i b/interface-definitions/include/firewall/source-destination-group-ipv4.xml.i
new file mode 100644
index 000000000..8c34fb933
--- /dev/null
+++ b/interface-definitions/include/firewall/source-destination-group-ipv4.xml.i
@@ -0,0 +1,41 @@
+<!-- include start from firewall/source-destination-group-ipv4.xml.i -->
+<node name="group">
+  <properties>
+    <help>Group</help>
+  </properties>
+  <children>
+    <leafNode name="address-group">
+      <properties>
+        <help>Group of addresses</help>
+        <completionHelp>
+          <path>firewall group address-group</path>
+        </completionHelp>
+      </properties>
+    </leafNode>
+    <leafNode name="domain-group">
+      <properties>
+        <help>Group of domains</help>
+        <completionHelp>
+          <path>firewall group domain-group</path>
+        </completionHelp>
+      </properties>
+    </leafNode>
+    <leafNode name="network-group">
+      <properties>
+        <help>Group of networks</help>
+        <completionHelp>
+          <path>firewall group network-group</path>
+        </completionHelp>
+      </properties>
+    </leafNode>
+    <leafNode name="port-group">
+      <properties>
+        <help>Group of ports</help>
+        <completionHelp>
+          <path>firewall group port-group</path>
+        </completionHelp>
+      </properties>
+    </leafNode>
+  </children>
+</node>
+<!-- include end -->
diff --git a/interface-definitions/include/version/conntrack-version.xml.i b/interface-definitions/include/version/conntrack-version.xml.i
index 696f76362..c0f632c70 100644
--- a/interface-definitions/include/version/conntrack-version.xml.i
+++ b/interface-definitions/include/version/conntrack-version.xml.i
@@ -1,3 +1,3 @@
 <!-- include start from include/version/conntrack-version.xml.i -->
-<syntaxVersion component='conntrack' version='3'></syntaxVersion>
+<syntaxVersion component='conntrack' version='4'></syntaxVersion>
 <!-- include end -->
diff --git a/interface-definitions/system-conntrack.xml.in b/interface-definitions/system-conntrack.xml.in
index 8dad048b8..3abf9bbf0 100644
--- a/interface-definitions/system-conntrack.xml.in
+++ b/interface-definitions/system-conntrack.xml.in
@@ -40,82 +40,177 @@
               <help>Customized rules to ignore selective connection tracking</help>
             </properties>
             <children>
-              <tagNode name="rule">
+              <node name="ipv4">
                 <properties>
-                  <help>Rule number</help>
-                  <valueHelp>
-                    <format>u32:1-999999</format>
-                    <description>Number of conntrack ignore rule</description>
-                  </valueHelp>
-                  <constraint>
-                    <validator name="numeric" argument="--range 1-999999"/>
-                  </constraint>
-                  <constraintErrorMessage>Ignore rule number must be between 1 and 999999</constraintErrorMessage>
+                  <help>IPv4 rules</help>
                 </properties>
                 <children>
-                  #include <include/generic-description.xml.i>
-                  <node name="destination">
+                  <tagNode name="rule">
                     <properties>
-                      <help>Destination parameters</help>
+                      <help>Rule number</help>
+                      <valueHelp>
+                        <format>u32:1-999999</format>
+                        <description>Number of conntrack ignore rule</description>
+                      </valueHelp>
+                      <constraint>
+                        <validator name="numeric" argument="--range 1-999999"/>
+                      </constraint>
+                      <constraintErrorMessage>Ignore rule number must be between 1 and 999999</constraintErrorMessage>
                     </properties>
                     <children>
-                      #include <include/nat-address.xml.i>
-                      #include <include/nat-port.xml.i>
+                      #include <include/generic-description.xml.i>
+                      <node name="destination">
+                        <properties>
+                          <help>Destination parameters</help>
+                        </properties>
+                        <children>
+                          #include <include/firewall/source-destination-group-ipv4.xml.i>
+                          #include <include/nat-address.xml.i>
+                          #include <include/nat-port.xml.i>
+                        </children>
+                      </node>
+                      <leafNode name="inbound-interface">
+                        <properties>
+                          <help>Interface to ignore connections tracking on</help>
+                          <completionHelp>
+                            <list>any</list>
+                            <script>${vyos_completion_dir}/list_interfaces</script>
+                          </completionHelp>
+                        </properties>
+                      </leafNode>
+                      #include <include/ip-protocol.xml.i>
+                      <leafNode name="protocol">
+                        <properties>
+                          <help>Protocol to match (protocol name, number, or "all")</help>
+                          <completionHelp>
+                            <script>${vyos_completion_dir}/list_protocols.sh</script>
+                            <list>all tcp_udp</list>
+                          </completionHelp>
+                          <valueHelp>
+                            <format>all</format>
+                            <description>All IP protocols</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>tcp_udp</format>
+                            <description>Both TCP and UDP</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>u32:0-255</format>
+                            <description>IP protocol number</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>&lt;protocol&gt;</format>
+                            <description>IP protocol name</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>!&lt;protocol&gt;</format>
+                            <description>IP protocol name</description>
+                          </valueHelp>
+                          <constraint>
+                            <validator name="ip-protocol"/>
+                          </constraint>
+                        </properties>
+                      </leafNode>
+                      <node name="source">
+                        <properties>
+                          <help>Source parameters</help>
+                        </properties>
+                        <children>
+                          #include <include/firewall/source-destination-group-ipv4.xml.i>
+                          #include <include/nat-address.xml.i>
+                          #include <include/nat-port.xml.i>
+                        </children>
+                      </node>
                     </children>
-                  </node>
-                  <leafNode name="inbound-interface">
-                    <properties>
-                      <help>Interface to ignore connections tracking on</help>
-                      <completionHelp>
-                        <list>any</list>
-                        <script>${vyos_completion_dir}/list_interfaces</script>
-                      </completionHelp>
-                    </properties>
-                  </leafNode>
-                  #include <include/ip-protocol.xml.i>
-                  <leafNode name="protocol">
+                  </tagNode>
+                </children>
+              </node>
+              <node name="ipv6">
+                <properties>
+                  <help>IPv6 rules</help>
+                </properties>
+                <children>
+                  <tagNode name="rule">
                     <properties>
-                      <help>Protocol to match (protocol name, number, or "all")</help>
-                      <completionHelp>
-                        <script>${vyos_completion_dir}/list_protocols.sh</script>
-                        <list>all tcp_udp</list>
-                      </completionHelp>
-                      <valueHelp>
-                        <format>all</format>
-                        <description>All IP protocols</description>
-                      </valueHelp>
-                      <valueHelp>
-                        <format>tcp_udp</format>
-                        <description>Both TCP and UDP</description>
-                      </valueHelp>
-                      <valueHelp>
-                        <format>u32:0-255</format>
-                        <description>IP protocol number</description>
-                      </valueHelp>
-                      <valueHelp>
-                        <format>&lt;protocol&gt;</format>
-                        <description>IP protocol name</description>
-                      </valueHelp>
+                      <help>Rule number</help>
                       <valueHelp>
-                        <format>!&lt;protocol&gt;</format>
-                        <description>IP protocol name</description>
+                        <format>u32:1-999999</format>
+                        <description>Number of conntrack ignore rule</description>
                       </valueHelp>
                       <constraint>
-                        <validator name="ip-protocol"/>
+                        <validator name="numeric" argument="--range 1-999999"/>
                       </constraint>
-                    </properties>
-                  </leafNode>
-                  <node name="source">
-                    <properties>
-                      <help>Source parameters</help>
+                      <constraintErrorMessage>Ignore rule number must be between 1 and 999999</constraintErrorMessage>
                     </properties>
                     <children>
-                      #include <include/nat-address.xml.i>
-                      #include <include/nat-port.xml.i>
+                      #include <include/generic-description.xml.i>
+                      <node name="destination">
+                        <properties>
+                          <help>Destination parameters</help>
+                        </properties>
+                        <children>
+                          #include <include/firewall/address-ipv6.xml.i>
+                          #include <include/firewall/source-destination-group-ipv6.xml.i>
+                          #include <include/nat-port.xml.i>
+                        </children>
+                      </node>
+                      <leafNode name="inbound-interface">
+                        <properties>
+                          <help>Interface to ignore connections tracking on</help>
+                          <completionHelp>
+                            <list>any</list>
+                            <script>${vyos_completion_dir}/list_interfaces</script>
+                          </completionHelp>
+                        </properties>
+                      </leafNode>
+                      #include <include/ip-protocol.xml.i>
+                      <leafNode name="protocol">
+                        <properties>
+                          <help>Protocol to match (protocol name, number, or "all")</help>
+                          <completionHelp>
+                            <script>${vyos_completion_dir}/list_protocols.sh</script>
+                            <list>all tcp_udp</list>
+                          </completionHelp>
+                          <valueHelp>
+                            <format>all</format>
+                            <description>All IP protocols</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>tcp_udp</format>
+                            <description>Both TCP and UDP</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>u32:0-255</format>
+                            <description>IP protocol number</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>&lt;protocol&gt;</format>
+                            <description>IP protocol name</description>
+                          </valueHelp>
+                          <valueHelp>
+                            <format>!&lt;protocol&gt;</format>
+                            <description>IP protocol name</description>
+                          </valueHelp>
+                          <constraint>
+                            <validator name="ip-protocol"/>
+                          </constraint>
+                        </properties>
+                      </leafNode>
+                      <node name="source">
+                        <properties>
+                          <help>Source parameters</help>
+                        </properties>
+                        <children>
+                          #include <include/firewall/address-ipv6.xml.i>
+                          #include <include/firewall/source-destination-group-ipv6.xml.i>
+                          #include <include/nat-port.xml.i>
+                        </children>
+                      </node>
                     </children>
-                  </node>
+                  </tagNode>
                 </children>
-              </tagNode>
+              </node>
+              
             </children>
           </node>
           <node name="log">
diff --git a/python/vyos/template.py b/python/vyos/template.py
index e167488c6..c1b57b883 100644
--- a/python/vyos/template.py
+++ b/python/vyos/template.py
@@ -663,6 +663,84 @@ def nat_static_rule(rule_conf, rule_id, nat_type):
     from vyos.nat import parse_nat_static_rule
     return parse_nat_static_rule(rule_conf, rule_id, nat_type)
 
+@register_filter('conntrack_ignore_rule')
+def conntrack_ignore_rule(rule_conf, rule_id, ipv6=False):
+    ip_prefix = 'ip6' if ipv6 else 'ip'
+    def_suffix = '6' if ipv6 else ''
+    output = []
+
+    if 'inbound_interface' in rule_conf:
+        ifname = rule_conf['inbound_interface']
+        output.append(f'iifname {ifname}')
+
+    if 'protocol' in rule_conf:
+        proto = rule_conf['protocol']
+        output.append(f'meta l4proto {proto}')
+
+    for side in ['source', 'destination']:
+        if side in rule_conf:
+            side_conf = rule_conf[side]
+            prefix = side[0]
+
+            if 'address' in side_conf:
+                address = side_conf['address']
+                operator = ''
+                if address[0] == '!':
+                    operator = '!='
+                    address = address[1:]
+                output.append(f'{ip_prefix} {prefix}addr {operator} {address}')
+
+            if 'port' in side_conf:
+                port = side_conf['port']
+                operator = ''
+                if port[0] == '!':
+                    operator = '!='
+                    port = port[1:]
+                output.append(f'th {prefix}port {operator} {port}')
+
+            if 'group' in side_conf:
+                group = side_conf['group']
+
+                if 'address_group' in group:
+                    group_name = group['address_group']
+                    operator = ''
+                    if group_name[0] == '!':
+                        operator = '!='
+                        group_name = group_name[1:]
+                    output.append(f'{ip_prefix} {prefix}addr {operator} @A{def_suffix}_{group_name}')
+                # Generate firewall group domain-group
+                elif 'domain_group' in group:
+                    group_name = group['domain_group']
+                    operator = ''
+                    if group_name[0] == '!':
+                        operator = '!='
+                        group_name = group_name[1:]
+                    output.append(f'{ip_prefix} {prefix}addr {operator} @D_{group_name}')
+                elif 'network_group' in group:
+                    group_name = group['network_group']
+                    operator = ''
+                    if group_name[0] == '!':
+                        operator = '!='
+                        group_name = group_name[1:]
+                    output.append(f'{ip_prefix} {prefix}addr {operator} @N{def_suffix}_{group_name}')
+                if 'port_group' in group:
+                    group_name = group['port_group']
+
+                    if proto == 'tcp_udp':
+                        proto = 'th'
+
+                    operator = ''
+                    if group_name[0] == '!':
+                        operator = '!='
+                        group_name = group_name[1:]
+
+                    output.append(f'{proto} {prefix}port {operator} @P_{group_name}')
+
+    output.append('counter notrack')
+    output.append(f'comment "ignore-{rule_id}"')
+
+    return " ".join(output)
+
 @register_filter('range_to_regex')
 def range_to_regex(num_range):
     """Convert range of numbers or list of ranges
diff --git a/smoketest/configs/basic-vyos b/smoketest/configs/basic-vyos
index 033c1a518..78dba3ee2 100644
--- a/smoketest/configs/basic-vyos
+++ b/smoketest/configs/basic-vyos
@@ -116,6 +116,18 @@ system {
             speed 115200
         }
     }
+    conntrack {
+        ignore {
+            rule 1 {
+                destination {
+                    address 192.0.2.2
+                }
+                source {
+                    address 192.0.2.1
+                }
+            }
+        }
+    }
     host-name vyos
     login {
         user vyos {
diff --git a/src/conf_mode/conntrack.py b/src/conf_mode/conntrack.py
index 9c43640a9..a0de914bc 100755
--- a/src/conf_mode/conntrack.py
+++ b/src/conf_mode/conntrack.py
@@ -24,7 +24,9 @@ from vyos.firewall import find_nftables_rule
 from vyos.firewall import remove_nftables_rule
 from vyos.utils.process import process_named_running
 from vyos.utils.dict import dict_search
+from vyos.utils.dict import dict_search_args
 from vyos.utils.process import cmd
+from vyos.utils.process import rc_cmd
 from vyos.utils.process import run
 from vyos.template import render
 from vyos import ConfigError
@@ -62,6 +64,13 @@ module_map = {
      },
 }
 
+valid_groups = [
+    'address_group',
+    'domain_group',
+    'network_group',
+    'port_group'
+]
+
 def resync_conntrackd():
     tmp = run('/usr/libexec/vyos/conf_mode/conntrack_sync.py')
     if tmp > 0:
@@ -78,15 +87,53 @@ def get_config(config=None):
                                      get_first_key=True,
                                      with_recursive_defaults=True)
 
+    conntrack['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'),
+                                                 get_first_key=True,
+                                                 no_tag_node_value_mangle=True)
+
     return conntrack
 
 def verify(conntrack):
-    if dict_search('ignore.rule', conntrack) != None:
-        for rule, rule_config in conntrack['ignore']['rule'].items():
-            if dict_search('destination.port', rule_config) or \
-               dict_search('source.port', rule_config):
-               if 'protocol' not in rule_config or rule_config['protocol'] not in ['tcp', 'udp']:
-                   raise ConfigError(f'Port requires tcp or udp as protocol in rule {rule}')
+    for inet in ['ipv4', 'ipv6']:
+        if dict_search_args(conntrack, 'ignore', inet, 'rule') != None:
+            for rule, rule_config in conntrack['ignore'][inet]['rule'].items():
+                if dict_search('destination.port', rule_config) or \
+                   dict_search('destination.group.port_group', rule_config) or \
+                   dict_search('source.port', rule_config) or \
+                   dict_search('source.group.port_group', rule_config):
+                   if 'protocol' not in rule_config or rule_config['protocol'] not in ['tcp', 'udp']:
+                       raise ConfigError(f'Port requires tcp or udp as protocol in rule {rule}')
+
+                for side in ['destination', 'source']:
+                    if side in rule_config:
+                        side_conf = rule_config[side]
+
+                        if 'group' in side_conf:
+                            if len({'address_group', 'network_group', 'domain_group'} & set(side_conf['group'])) > 1:
+                                raise ConfigError('Only one address-group, network-group or domain-group can be specified')
+
+                            for group in valid_groups:
+                                if group in side_conf['group']:
+                                    group_name = side_conf['group'][group]
+                                    error_group = group.replace("_", "-")
+
+                                    if group in ['address_group', 'network_group', 'domain_group']:
+                                        if 'address' in side_conf:
+                                            raise ConfigError(f'{error_group} and address cannot both be defined')
+
+                                    if group_name and group_name[0] == '!':
+                                        group_name = group_name[1:]
+
+                                    if inet == 'ipv6':
+                                        group = f'ipv6_{group}'
+
+                                    group_obj = dict_search_args(conntrack['firewall_group'], group, group_name)
+
+                                    if group_obj is None:
+                                        raise ConfigError(f'Invalid {error_group} "{group_name}" on ignore rule')
+
+                                    if not group_obj:
+                                        Warning(f'{error_group} "{group_name}" has no members!')
 
     return None
 
@@ -94,26 +141,18 @@ def generate(conntrack):
     render(conntrack_config, 'conntrack/vyos_nf_conntrack.conf.j2', conntrack)
     render(sysctl_file, 'conntrack/sysctl.conf.j2', conntrack)
     render(nftables_ct_file, 'conntrack/nftables-ct.j2', conntrack)
-
-    # dry-run newly generated configuration
-    tmp = run(f'nft -c -f {nftables_ct_file}')
-    if tmp > 0:
-        if os.path.exists(nftables_ct_file):
-            os.unlink(nftables_ct_file)
-        raise ConfigError('Configuration file errors encountered!')
-
     return None
 
-def find_nftables_ct_rule(rule):
+def find_nftables_ct_rule(table, chain, rule):
     helper_search = re.search('ct helper set "(\w+)"', rule)
     if helper_search:
         rule = helper_search[1]
-    return find_nftables_rule('raw', 'VYOS_CT_HELPER', [rule])
+    return find_nftables_rule(table, chain, [rule])
 
-def find_remove_rule(rule):
-    handle = find_nftables_ct_rule(rule)
+def find_remove_rule(table, chain, rule):
+    handle = find_nftables_ct_rule(table, chain, rule)
     if handle:
-        remove_nftables_rule('raw', 'VYOS_CT_HELPER', handle)
+        remove_nftables_rule(table, chain, handle)
 
 def apply(conntrack):
     # Depending on the enable/disable state of the ALG (Application Layer Gateway)
@@ -127,18 +166,24 @@ def apply(conntrack):
                         cmd(f'rmmod {mod}')
             if 'nftables' in module_config:
                 for rule in module_config['nftables']:
-                    find_remove_rule(rule)
+                    find_remove_rule('raw', 'VYOS_CT_HELPER', rule)
+                    find_remove_rule('ip6 raw', 'VYOS_CT_HELPER', rule)
         else:
             if 'ko' in module_config:
                 for mod in module_config['ko']:
                     cmd(f'modprobe {mod}')
             if 'nftables' in module_config:
                 for rule in module_config['nftables']:
-                    if not find_nftables_ct_rule(rule):
-                        cmd(f'nft insert rule ip raw VYOS_CT_HELPER {rule}')
+                    if not find_nftables_ct_rule('raw', 'VYOS_CT_HELPER', rule):
+                        cmd(f'nft insert rule raw VYOS_CT_HELPER {rule}')
+
+                    if not find_nftables_ct_rule('ip6 raw', 'VYOS_CT_HELPER', rule):
+                        cmd(f'nft insert rule ip6 raw VYOS_CT_HELPER {rule}')
 
     # Load new nftables ruleset
-    cmd(f'nft -f {nftables_ct_file}')
+    install_result, output = rc_cmd(f'nft -f {nftables_ct_file}')
+    if install_result == 1:
+        raise ConfigError(f'Failed to apply configuration: {output}')
 
     if process_named_running('conntrackd'):
         # Reload conntrack-sync daemon to fetch new sysctl values
diff --git a/src/helpers/vyos-domain-resolver.py b/src/helpers/vyos-domain-resolver.py
index 7e2fe2462..eac3d37af 100755
--- a/src/helpers/vyos-domain-resolver.py
+++ b/src/helpers/vyos-domain-resolver.py
@@ -37,12 +37,14 @@ domain_state = {}
 ipv4_tables = {
     'ip vyos_mangle',
     'ip vyos_filter',
-    'ip vyos_nat'
+    'ip vyos_nat',
+    'ip raw'
 }
 
 ipv6_tables = {
     'ip6 vyos_mangle',
-    'ip6 vyos_filter'
+    'ip6 vyos_filter',
+    'ip6 raw'
 }
 
 def get_config(conf):
diff --git a/src/init/vyos-router b/src/init/vyos-router
index 96f163213..a5d1a31fa 100755
--- a/src/init/vyos-router
+++ b/src/init/vyos-router
@@ -335,6 +335,9 @@ start ()
     nfct helper add rpc inet tcp
     nfct helper add rpc inet udp
     nfct helper add tns inet tcp
+    nfct helper add rpc inet6 tcp
+    nfct helper add rpc inet6 udp
+    nfct helper add tns inet6 tcp
     nft -f /usr/share/vyos/vyos-firewall-init.conf || log_failure_msg "could not initiate firewall rules"
 
     rm -f /etc/hostname
diff --git a/src/migration-scripts/conntrack/3-to-4 b/src/migration-scripts/conntrack/3-to-4
new file mode 100755
index 000000000..e90c383af
--- /dev/null
+++ b/src/migration-scripts/conntrack/3-to-4
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Add support for IPv6 conntrack ignore, move existing nodes to `system conntrack ignore ipv4`
+
+from sys import argv
+from sys import exit
+
+from vyos.configtree import ConfigTree
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+base = ['system', 'conntrack']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+
+if config.exists(base + ['ignore', 'rule']):
+    config.set(base + ['ignore', 'ipv4'])
+    config.copy(base + ['ignore', 'rule'], base + ['ignore', 'ipv4', 'rule'])
+    config.delete(base + ['ignore', 'rule'])
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print("Failed to save the modified config: {}".format(e))
+    exit(1)