diff --git a/app/Http/Middleware/TrustProxies.php b/app/Http/Middleware/TrustProxies.php
index 919aec9..118a36b 100644
--- a/app/Http/Middleware/TrustProxies.php
+++ b/app/Http/Middleware/TrustProxies.php
@@ -20,5 +20,9 @@ class TrustProxies extends Middleware
      *
      * @var int
      */
-    protected $headers = Request::HEADER_X_FORWARDED_ALL;
+    protected $headers = Request::HEADER_X_FORWARDED_FOR |
+    Request::HEADER_X_FORWARDED_HOST |
+    Request::HEADER_X_FORWARDED_PORT |
+    Request::HEADER_X_FORWARDED_PROTO |
+    Request::HEADER_X_FORWARDED_AWS_ELB;
 }
diff --git a/config/trustedproxy.php b/config/trustedproxy.php
new file mode 100644
index 0000000..376df3b
--- /dev/null
+++ b/config/trustedproxy.php
@@ -0,0 +1,53 @@
+<?php
+
+return [
+
+    /*
+     * Set trusted proxy IP addresses.
+     *
+     * Both IPv4 and IPv6 addresses are
+     * supported, along with CIDR notation.
+     *
+     * The "*" character is syntactic sugar
+     * within TrustedProxy to trust any proxy
+     * that connects directly to your server,
+     * a requirement when you cannot know the address
+     * of your proxy (e.g. if using ELB or similar).
+     *
+     */
+    'proxies' => [
+        '192.168.31.9', // HA PROXY prod "Virtual IP"
+        '192.168.31.10', // HA PROXY prod "Virtual IP" redondance
+        '192.168.34.15' // HA PROXY dev "Virtual IP"
+    ],
+
+    /*
+     * To trust one or more specific proxies that connect
+     * directly to your server, use an array or a string separated by comma of IP addresses:
+     */
+
+    /*
+     * Or, to trust all proxies that connect
+     * directly to your server, use a "*"
+     */
+
+    /*
+     * Which headers to use to detect proxy related data (For, Host, Proto, Port)
+     *
+     * Options include:
+     *
+     * - Illuminate\Http\Request::HEADER_X_FORWARDED_ALL (use all x-forwarded-* headers to establish trust)
+     * - Illuminate\Http\Request::HEADER_FORWARDED (use the FORWARDED header to establish trust)
+     * - Illuminate\Http\Request::HEADER_X_FORWARDED_AWS_ELB (If you are using AWS Elastic Load Balancer)
+     *
+     * - 'HEADER_X_FORWARDED_ALL' (use all x-forwarded-* headers to establish trust)
+     * - 'HEADER_FORWARDED' (use the FORWARDED header to establish trust)
+     * - 'HEADER_X_FORWARDED_AWS_ELB' (If you are using AWS Elastic Load Balancer)
+     *
+     * @link https://symfony.com/doc/current/deployment/proxies.html
+     */
+    'headers' => Illuminate\Http\Request::HEADER_X_FORWARDED_FOR |
+        Illuminate\Http\Request::HEADER_X_FORWARDED_HOST |
+        Illuminate\Http\Request::HEADER_X_FORWARDED_PORT |
+        Illuminate\Http\Request::HEADER_X_FORWARDED_PROTO,
+];
diff --git a/resources/views/customer/index-tableHeaders.blade.php b/resources/views/customer/index-tableHeaders.blade.php
index 326bdbf..0db1b1c 100644
--- a/resources/views/customer/index-tableHeaders.blade.php
+++ b/resources/views/customer/index-tableHeaders.blade.php
@@ -71,6 +71,6 @@
 </th>
 <th scope="col">
     @if(session("crud.$modelTable.sort_way") and session("crud.$modelTable.sort_col"))
-    <a href="{{ request()->fullUrlWithQuery(['rst' => 'true','sort_col' => null, 'sort_way' => null]) }}" class="btn btn-small btn-danger">&#9003;</a>
+    <a href="{{ _genUrl(['rst' => 'true','sort_col' => null, 'sort_way' => null]) }}" class="btn btn-small btn-danger">&#9003;</a>
     @endif
 </th>
diff --git a/resources/views/customer/index.blade.php b/resources/views/customer/index.blade.php
index 1cc32f9..72b2fa6 100644
--- a/resources/views/customer/index.blade.php
+++ b/resources/views/customer/index.blade.php
@@ -43,11 +43,6 @@
             <thead class="thead-dark">
             <tr>
                 @include('customer.index-tableHeaders')
-                <th scope="col">
-                    @if(session("crud.$modelTable.sort_way") and session("crud.$modelTable.sort_col"))
-                    <a href="{{ request()->fullUrlWithQuery(['rst' => 'true', 'sort_col' => null, 'sort_way' => null]) }}" class="btn btn-small btn-danger">&#9003;</a>
-                    @endif
-                </th>
             </tr>
             </thead>
             <tbody>