diff --git a/net/haproxy/src/opnsense/mvc/app/controllers/OPNsense/HAProxy/forms/dialogAction.xml b/net/haproxy/src/opnsense/mvc/app/controllers/OPNsense/HAProxy/forms/dialogAction.xml
index 396d7926d..90addff7a 100644
--- a/net/haproxy/src/opnsense/mvc/app/controllers/OPNsense/HAProxy/forms/dialogAction.xml
+++ b/net/haproxy/src/opnsense/mvc/app/controllers/OPNsense/HAProxy/forms/dialogAction.xml
@@ -283,6 +283,23 @@
         <type>text</type>
         <help><![CDATA[This is suited for all header fields which are allowed to carry more than one value: Matches the specified regular expression against every comma-delimited value of the header field.]]></help>
     </field>
+    <field>
+        <label>Parameters</label>
+        <type>header</type>
+        <style>type_table table_http-response_set-status</style>
+    </field>
+    <field>
+        <id>action.http_response_set_status_code</id>
+        <label>HTTP Status Code</label>
+        <type>text</type>
+        <help><![CDATA[Replaces the response status code. Must be an integer between 100 and 999.]]></help>
+    </field>
+    <field>
+        <id>action.http_response_set_status_reason</id>
+        <label>HTTP Reason Text</label>
+        <type>text</type>
+        <help><![CDATA[An optional custom reason text for the HTTP status code. If empty the default reason for the specified code will be used.]]></help>
+    </field>
     <field>
         <label>Parameters</label>
         <type>header</type>
diff --git a/net/haproxy/src/opnsense/mvc/app/models/OPNsense/HAProxy/HAProxy.xml b/net/haproxy/src/opnsense/mvc/app/models/OPNsense/HAProxy/HAProxy.xml
index 9a4a0c0d4..4a3e48460 100644
--- a/net/haproxy/src/opnsense/mvc/app/models/OPNsense/HAProxy/HAProxy.xml
+++ b/net/haproxy/src/opnsense/mvc/app/models/OPNsense/HAProxy/HAProxy.xml
@@ -1528,6 +1528,7 @@
                         <http-response_del-header>http-response header delete</http-response_del-header>
                         <http-response_replace-header>http-response header replace</http-response_replace-header>
                         <http-response_replace-value>http-response header replace value</http-response_replace-value>
+                        <http-response_set-status>Set HTTP status code in response</http-response_set-status>
                         <tcp-request_connection_accept>tcp-request connection accept</tcp-request_connection_accept>
                         <tcp-request_connection_reject>tcp-request connection reject</tcp-request_connection_reject>
                         <tcp-request_content_accept>tcp-request content accept</tcp-request_content_accept>
@@ -1658,6 +1659,16 @@
                     <mask>/^.{1,4096}$/u</mask>
                     <Required>N</Required>
                 </http_response_replace_value_regex>
+                <http_response_set_status_code type="IntegerField">
+                    <MinimumValue>100</MinimumValue>
+                    <MaximumValue>999</MaximumValue>
+                    <ValidationMessage>Please specify a value between 100 and 999.</ValidationMessage>
+                    <Required>N</Required>
+                </http_response_set_status_code>
+                <http_response_set_status_reason type="TextField">
+                    <mask>/^.{1,4096}$/u</mask>
+                    <Required>N</Required>
+                </http_response_set_status_reason>
                 <tcp_request_content_lua type="TextField">
                     <mask>/^.{1,4096}$/u</mask>
                     <Required>N</Required>
diff --git a/net/haproxy/src/opnsense/service/templates/OPNsense/HAProxy/haproxy.conf b/net/haproxy/src/opnsense/service/templates/OPNsense/HAProxy/haproxy.conf
index d6893d0fa..c3392cfa6 100644
--- a/net/haproxy/src/opnsense/service/templates/OPNsense/HAProxy/haproxy.conf
+++ b/net/haproxy/src/opnsense/service/templates/OPNsense/HAProxy/haproxy.conf
@@ -420,6 +420,18 @@
 {%             set action_enabled = '0' %}
     # ERROR: missing parameters
 {%           endif %}
+{%         elif action_data.type == 'http-response_set-status' %}
+{%           if action_data.http_response_set_status_code|default("") != "" %}
+{%             if action_data.http_response_set_status_reason|default("") != "" %}
+{%               set status_reason = ' reason "' ~ action_data.http_response_set_status_reason ~ '"' %}
+{%             else %}
+{%               set status_reason = '' %}
+{%             endif %}
+{%             do action_options.append('http-response set-status ' ~ action_data.http_response_set_status_code ~ status_reason) %}
+{%           else %}
+{%             set action_enabled = '0' %}
+    # ERROR: missing parameters
+{%           endif %}
 {%         elif action_data.type == 'tcp-request_connection_accept' %}
 {%           do action_options.append('tcp-request connection accept') %}
 {%         elif action_data.type == 'tcp-request_connection_reject' %}