diff --git a/src/mibew/configs/default_config.yml b/src/mibew/configs/default_config.yml
index 086589e2..76509e12 100644
--- a/src/mibew/configs/default_config.yml
+++ b/src/mibew/configs/default_config.yml
@@ -77,6 +77,15 @@ default_locale: en
 # http://php.net/manual/en/timezones.php
 timezone: ""
 
+# List of proxy's IP Mibew should trust. You should set this option if you use
+# Mibew with a load balancer or behind a proxy.
+trusted_proxies: []
+# Here is an example of what values this option can take:
+# trusted_proxies:
+#     - 127.0.0.1
+#     - ::1
+#     - 10.0.0.0/8
+
 # Plugins
 plugins: []
 
diff --git a/src/mibew/libs/init.php b/src/mibew/libs/init.php
index 1875beb4..53524fea 100644
--- a/src/mibew/libs/init.php
+++ b/src/mibew/libs/init.php
@@ -44,6 +44,10 @@ require_once(MIBEW_FS_ROOT . '/libs/common/request.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/response.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/string.php');
 
+if (count($configs['trusted_proxies']) > 0) {
+    \Symfony\Component\HttpFoundation\Request::setTrustedProxies($configs['trusted_proxies']);
+}
+
 // We need to get some info from the request. Use symfony wrapper because it's
 // the simplest way.
 $tmp_request = \Symfony\Component\HttpFoundation\Request::createFromGlobals();