diff --git a/framework/yii/web/UrlManager.php b/framework/yii/web/UrlManager.php
index dde10ee..5a3c391 100644
--- a/framework/yii/web/UrlManager.php
+++ b/framework/yii/web/UrlManager.php
@@ -27,6 +27,12 @@ class UrlManager extends Component
 	 */
 	public $enablePrettyUrl = false;
 	/**
+	 * @var boolean whether to enable strict parsing. If strict parsing is enabled, the incoming
+	 * requested URL must match at least one of the [[rules]] in order to be treated as a valid request.
+	 * This property is used only when [[enablePrettyUrl]] is true.
+	 */
+	public $enableStrictParsing = false;
+	/**
 	 * @var array the rules for creating and parsing URLs when [[enablePrettyUrl]] is true.
 	 * This property is used only if [[enablePrettyUrl]] is true. Each element in the array
 	 * is the configuration array for creating a single URL rule. The configuration will
@@ -139,6 +145,10 @@ class UrlManager extends Component
 				}
 			}
 
+			if ($this->enableStrictParsing) {
+				return false;
+			}
+
 			$suffix = (string)$this->suffix;
 			if ($suffix !== '' && $suffix !== '/' && $pathInfo !== '') {
 				$n = strlen($this->suffix);
diff --git a/tests/unit/framework/web/UrlManagerTest.php b/tests/unit/framework/web/UrlManagerTest.php
index b6246c6..553b163 100644
--- a/tests/unit/framework/web/UrlManagerTest.php
+++ b/tests/unit/framework/web/UrlManagerTest.php
@@ -224,5 +224,27 @@ class UrlManagerTest extends \yiiunit\TestCase
 		$request->pathInfo = 'site/index';
 		$result = $manager->parseRequest($request);
 		$this->assertFalse($result);
+
+		// strict parsing
+		$manager = new UrlManager(array(
+			'enablePrettyUrl' => true,
+			'enableStrictParsing' => true,
+			'suffix' => '.html',
+			'cache' => null,
+			'rules' => array(
+				array(
+					'pattern' => 'post/<id>/<title>',
+					'route' => 'post/view',
+				),
+			),
+		));
+		// matching pathinfo
+		$request->pathInfo = 'post/123/this+is+sample.html';
+		$result = $manager->parseRequest($request);
+		$this->assertEquals(array('post/view', array('id' => '123', 'title' => 'this+is+sample')), $result);
+		// unmatching pathinfo
+		$request->pathInfo = 'site/index.html';
+		$result = $manager->parseRequest($request);
+		$this->assertFalse($result);
 	}
 }