diff --git a/ironic/files/pike/ironic.conf b/ironic/files/pike/ironic.conf
index f8dc1eb..3bee2e3 100644
--- a/ironic/files/pike/ironic.conf
+++ b/ironic/files/pike/ironic.conf
@@ -3818,6 +3818,19 @@
 # taken from the matchmaker. (list value)
 #subscribe_on =
 
+[oslo_middleware]
+
+#
+# From oslo.middleware.http_proxy_to_wsgi
+#
+
+# Whether the application is behind a proxy or not. This
+# determines if the middleware should parse the headers or
+# not. (boolean value)
+#enable_proxy_headers_parsing = false
+{%- if ironic.get('middleware', {}).enable_proxy_headers_parsing is defined %}
+enable_proxy_headers_parsing = {{ ironic.middleware.enable_proxy_headers_parsing }}
+{%- endif %}
 
 [oslo_policy]
 
diff --git a/ironic/files/queens/ironic.conf b/ironic/files/queens/ironic.conf
index ad4df03..cd0f1b6 100644
--- a/ironic/files/queens/ironic.conf
+++ b/ironic/files/queens/ironic.conf
@@ -2383,6 +2383,12 @@
 {%- include "oslo_templates/files/queens/oslo/messaging/_" + messaging_engine + ".conf" %}
 {%- endif %}
 
+[oslo_middleware]
+{%- if ironic.middleware is defined %}
+{%- set _data = ironic.middleware %}
+{%- include "oslo_templates/files/queens/oslo/_middleware.conf" %}
+{%- endif %}
+
 [oslo_policy]
 {%- if ironic.policy is defined %}
 {%- set _data = ironic.policy %}
diff --git a/ironic/files/rocky/ironic.conf b/ironic/files/rocky/ironic.conf
index 4be00e2..896261b 100644
--- a/ironic/files/rocky/ironic.conf
+++ b/ironic/files/rocky/ironic.conf
@@ -2773,6 +2773,12 @@
 {%- include "oslo_templates/files/rocky/oslo/messaging/_" + messaging_engine + ".conf" %}
 {%- endif %}
 
+[oslo_middleware]
+{%- if ironic.middleware is defined %}
+{%- set _data = ironic.middleware %}
+{%- include "oslo_templates/files/queens/oslo/_middleware.conf" %}
+{%- endif %}
+
 [oslo_policy]
 {%- if ironic.policy is defined %}
 {%- set _data = ironic.policy %}