diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index 47f3587a7..edbba95a8 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -636,6 +636,8 @@ class Server{
 			if($this->logger instanceof MainLogger){
 				$this->logger->logException($e);
 			}
+
+			$this->mainInterface->blockAddress($address, 600);
 		}
 		//TODO: add raw packet events
 	}
diff --git a/src/pocketmine/network/RakLibInterface.php b/src/pocketmine/network/RakLibInterface.php
index 20e9c101c..c9b6627c2 100644
--- a/src/pocketmine/network/RakLibInterface.php
+++ b/src/pocketmine/network/RakLibInterface.php
@@ -188,10 +188,16 @@ class RakLibInterface implements ServerInstance, SourceInterface{
 						$logger->logException($e);
 					}
 				}
+
+				$this->interface->blockAddress($this->players[$identifier]->getAddress(), 5);
 			}
 		}
 	}
 
+	public function blockAddress($address, $timeout = 300){
+		$this->interface->blockAddress($address, $timeout);
+	}
+
 	public function handleRaw($address, $port, $payload){
 		$this->server->handlePacket($address, $port, $payload);
 	}
diff --git a/src/raklib b/src/raklib
index 2016c58c5..9a1c1868b 160000
--- a/src/raklib
+++ b/src/raklib
@@ -1 +1 @@
-Subproject commit 2016c58c531fec30ec095e9215d771a5ccabe4ce
+Subproject commit 9a1c1868b34c2db546cad5895e5974e74ab24763