diff --git a/salt/firewall/assigned_hostgroups.map.yaml b/salt/firewall/assigned_hostgroups.map.yaml
index 3fd3fd1f3..8851e3051 100644
--- a/salt/firewall/assigned_hostgroups.map.yaml
+++ b/salt/firewall/assigned_hostgroups.map.yaml
@@ -78,6 +78,7 @@ role:
               - {{ portgroups.influxdb }}
               - {{ portgroups.elasticsearch_rest }}
               - {{ portgroups.elasticsearch_node }}
+              - {{ portgroups.docker_registry }}
               {% if ISAIRGAP is sameas true %}
               - {{ portgroups.agrules }}
               {% endif %}
@@ -88,18 +89,21 @@ role:
               - {{ portgroups.elastic_agent_control }}
               - {{ portgroups.elastic_agent_data }}
               - {{ portgroups.yum }}
+              - {{ portgroups.docker_registry }}
           searchnodes:
             portgroups:
               - {{ portgroups.redis }}
               - {{ portgroups.elasticsearch_node }}
               - {{ portgroups.beats_5644 }}
               - {{ portgroups.yum }}
+              - {{ portgroups.docker_registry }}
           heavynodes:
             portgroups:
               - {{ portgroups.redis }}
               - {{ portgroups.elasticsearch_node }}
               - {{ portgroups.beats_5644 }}
               - {{ portgroups.yum }}
+              - {{ portgroups.docker_registry }}
           self:
             portgroups:
               - {{ portgroups.syslog}}
@@ -158,6 +162,7 @@ role:
               - {{ portgroups.influxdb }}
               - {{ portgroups.elasticsearch_rest }}
               - {{ portgroups.elasticsearch_node }}
+              - {{ portgroups.docker_registry }}
           sensors:
             portgroups:
               - {{ portgroups.beats_5044 }}
@@ -165,16 +170,19 @@ role:
               - {{ portgroups.elastic_agent_control }}
               - {{ portgroups.elastic_agent_data }}
               - {{ portgroups.yum }}
+              - {{ portgroups.docker_registry }}
           searchnodes:
             portgroups:
               - {{ portgroups.redis }}
               - {{ portgroups.elasticsearch_node }}
               - {{ portgroups.yum }}
+              - {{ portgroups.docker_registry }}
           heavynodes:
             portgroups:
               - {{ portgroups.redis }}
               - {{ portgroups.elasticsearch_node }}
               - {{ portgroups.yum }}
+              - {{ portgroups.docker_registry }}
           self:
             portgroups:
               - {{ portgroups.syslog}}