diff --git a/.config/reverse-proxy.config.php b/.config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/.config/reverse-proxy.config.php
+++ b/.config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/16.0/apache/config/reverse-proxy.config.php b/16.0/apache/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/16.0/apache/config/reverse-proxy.config.php
+++ b/16.0/apache/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/16.0/fpm-alpine/config/reverse-proxy.config.php b/16.0/fpm-alpine/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/16.0/fpm-alpine/config/reverse-proxy.config.php
+++ b/16.0/fpm-alpine/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/16.0/fpm/config/reverse-proxy.config.php b/16.0/fpm/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/16.0/fpm/config/reverse-proxy.config.php
+++ b/16.0/fpm/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/17.0/apache/config/reverse-proxy.config.php b/17.0/apache/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/17.0/apache/config/reverse-proxy.config.php
+++ b/17.0/apache/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/17.0/fpm-alpine/config/reverse-proxy.config.php b/17.0/fpm-alpine/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/17.0/fpm-alpine/config/reverse-proxy.config.php
+++ b/17.0/fpm-alpine/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/17.0/fpm/config/reverse-proxy.config.php b/17.0/fpm/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/17.0/fpm/config/reverse-proxy.config.php
+++ b/17.0/fpm/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/18.0/apache/config/reverse-proxy.config.php b/18.0/apache/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/18.0/apache/config/reverse-proxy.config.php
+++ b/18.0/apache/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/18.0/fpm-alpine/config/reverse-proxy.config.php b/18.0/fpm-alpine/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/18.0/fpm-alpine/config/reverse-proxy.config.php
+++ b/18.0/fpm-alpine/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }
diff --git a/18.0/fpm/config/reverse-proxy.config.php b/18.0/fpm/config/reverse-proxy.config.php
index 26342782..e38c3d04 100644
--- a/18.0/fpm/config/reverse-proxy.config.php
+++ b/18.0/fpm/config/reverse-proxy.config.php
@@ -2,29 +2,29 @@
 if (getenv('OVERWRITEHOST')) {
   $CONFIG['overwritehost'] = getenv('OVERWRITEHOST');
 } else {
-  $CONFIG['overwritehost'] = '';
+  $CONFIG['overwritehost'] = null;
 }
 
 if (getenv('OVERWRITEPROTOCOL')) {
   $CONFIG['overwriteprotocol'] = getenv('OVERWRITEPROTOCOL');
 } else {
-  $CONFIG['overwriteprotocol'] = '';
+  $CONFIG['overwriteprotocol'] = null;
 }
 
 if (getenv('OVERWRITEWEBROOT')) {
   $CONFIG['overwritewebroot'] = getenv('OVERWRITEWEBROOT');
 } else {
-  $CONFIG['overwritewebroot'] = '';
+  $CONFIG['overwritewebroot'] = null;
 }
 
 if (getenv('OVERWRITECONDADDR')) {
   $CONFIG['overwritecondaddr'] = getenv('OVERWRITECONDADDR');
 } else {
-  $CONFIG['overwritecondaddr'] = '';
+  $CONFIG['overwritecondaddr'] = null;
 }
 
 if (getenv('TRUSTED_PROXIES')) {
   $CONFIG['trusted_proxies'] = explode(',', getenv('TRUSTED_PROXIES'));
 } else {
-  $CONFIG['trusted_proxies'] = [];
+  $CONFIG['trusted_proxies'] = null;
 }