diff --git a/app/pages/agents.php b/app/pages/agents.php
index 214a178..7b904e7 100644
--- a/app/pages/agents.php
+++ b/app/pages/agents.php
@@ -47,6 +47,11 @@ function isCacheExpired($agentId) {
 
 // Handle POST request (saving to cache)
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+
+    // Apply rate limiting for adding new contacts
+    require '../app/includes/rate_limit_middleware.php';
+    checkRateLimit($dbWeb, 'contact', $user_id);
+
     // Validate agent ID for POST operations
     if ($agentId === false || $agentId === null) {
         Feedback::flash('ERROR', 'DEFAULT', 'Invalid agent ID format');
diff --git a/app/pages/config.php b/app/pages/config.php
index 184fc80..f1a73d6 100644
--- a/app/pages/config.php
+++ b/app/pages/config.php
@@ -11,9 +11,10 @@ include '../app/includes/feedback-get.php';
 include '../app/includes/feedback-show.php';
 
 require '../app/classes/config.php';
-
 $configObject = new Config();
 
+require '../app/includes/rate_limit_middleware.php';
+
 // For AJAX requests
 $isAjax = !empty($_SERVER['HTTP_X_REQUESTED_WITH']) && 
           strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
@@ -26,6 +27,9 @@ if (!$isWritable) {
 }
 
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    // Apply rate limiting
+    checkRateLimit($dbWeb, 'config', $user_id);
+
     // Ensure no output before this point
     ob_clean();
 
diff --git a/app/pages/login.php b/app/pages/login.php
index 9ceedb2..0686c66 100644
--- a/app/pages/login.php
+++ b/app/pages/login.php
@@ -27,6 +27,10 @@ try {
 
     if ( $_SERVER['REQUEST_METHOD'] == 'POST' ) {
         try {
+            // apply page rate limiting
+            require_once '../app/includes/rate_limit_middleware.php';
+            checkRateLimit($dbWeb, 'login', null); // null since user is not logged in yet
+
             // Validate form data
             $security = SecurityHelper::getInstance();
             $formData = $security->sanitizeArray($_POST, ['username', 'password', 'remember_me', 'csrf_token']);
diff --git a/app/pages/profile.php b/app/pages/profile.php
index c022106..11b78c8 100644
--- a/app/pages/profile.php
+++ b/app/pages/profile.php
@@ -21,7 +21,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
 
     // Apply rate limiting for profile operations
     require_once '../app/includes/rate_limit_middleware.php';
-    checkRateLimit($db, 'profile', $user_id);
+    checkRateLimit($dbWeb, 'profile', $user_id);
 
     $item = $_REQUEST['item'] ?? '';
 
diff --git a/app/pages/register.php b/app/pages/register.php
index 01235fa..3144984 100644
--- a/app/pages/register.php
+++ b/app/pages/register.php
@@ -17,6 +17,11 @@ if ($config['registration_enabled'] == true) {
         $dbWeb = connectDB($config);
 
         if ( $_SERVER['REQUEST_METHOD'] == 'POST' ) {
+
+            // Apply rate limiting
+            require '../app/includes/rate_limit_middleware.php';
+            checkRateLimit($dbWeb, 'register');
+
             require_once '../app/classes/validator.php';
 
             $validator = new Validator($_POST);
diff --git a/app/pages/security.php b/app/pages/security.php
index 2e37413..64e7017 100644
--- a/app/pages/security.php
+++ b/app/pages/security.php
@@ -24,6 +24,11 @@ $rateLimiter = new RateLimiter($dbWeb);
 // Handle form submissions
 if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action'])) {
     require_once '../app/classes/validator.php';
+
+    // Apply rate limiting for security operations
+    require_once '../app/includes/rate_limit_middleware.php';
+    checkRateLimit($dbWeb, 'security', $user_id);
+
     $action = $_POST['action'];
     $validator = new Validator($_POST);
 
@@ -147,7 +152,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action'])) {
 
 // Always show rate limit info message for rate limiting section
 if ($section === 'ratelimit') {
-    $messages[] = ['category' => 'SECURITY', 'key' => 'RATE_LIMIT_INFO'];
+    $system_messages[] = ['category' => 'SECURITY', 'key' => 'RATE_LIMIT_INFO'];
 }
 
 // Get current lists
diff --git a/app/pages/settings.php b/app/pages/settings.php
index eb1c7a4..74ad3d3 100644
--- a/app/pages/settings.php
+++ b/app/pages/settings.php
@@ -26,6 +26,10 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
      * Handles form submissions from editing
      */
 
+    // Apply rate limiting for profile operations
+    require_once '../app/includes/rate_limit_middleware.php';
+    checkRateLimit($dbWeb, 'profile', $user_id);
+
     // Get hash from URL if present
     $hash = parse_url($_SERVER['REQUEST_URI'], PHP_URL_FRAGMENT) ?? '';
     $redirectUrl = htmlspecialchars($app_root) . '?page=settings';