diff --git a/libs/cloud/picloudclient.cpp b/libs/cloud/picloudclient.cpp
index a1e4cf6b..9e9356a1 100644
--- a/libs/cloud/picloudclient.cpp
+++ b/libs/cloud/picloudclient.cpp
@@ -128,7 +128,7 @@ ssize_t PICloudClient::readDevice(void * read_to, ssize_t max_size) {
 
 
 ssize_t PICloudClient::writeDevice(const void * data, ssize_t size) {
-	if (is_deleted) return -1;
+	if (is_deleted || !is_connected) return -1;
 	piCoutObj << "writeDevice" << size;
 	return tcp.sendData(PIByteArray(data, size));
 }
diff --git a/libs/cloud/picloudserver.cpp b/libs/cloud/picloudserver.cpp
index 2c00d2f8..ea1ef273 100644
--- a/libs/cloud/picloudserver.cpp
+++ b/libs/cloud/picloudserver.cpp
@@ -25,10 +25,12 @@ PICloudServer::PICloudServer(const PIString & path, PIIODevice::DeviceMode mode)
 	tcp.setRole(PICloud::TCP::Server);
 	tcp.setServerName(server_name);
 	setName("cloud_server__" + server_name);
+	is_deleted = false;
 	eth.setReopenEnabled(false);
 	CONNECT1(void, PIByteArray, &streampacker, packetReceiveEvent, this, _readed);
 	CONNECTL(&eth, connected, [this](){opened_ = true; piCoutObj << "connected" << &eth; tcp.sendStart();});
 	CONNECTL(&eth, disconnected, [this](bool){
+		if (is_deleted) return;
 		piCoutObj << "disconnected" << &eth;
 		for (auto c : clients_) {
 			delete c;
@@ -45,6 +47,7 @@ PICloudServer::PICloudServer(const PIString & path, PIIODevice::DeviceMode mode)
 
 PICloudServer::~PICloudServer() {
 	piCoutObj << "~PICloudServer ..." << this;
+	is_deleted = true;
 	stop();
 	close();
 	piCout << "wait";
@@ -94,6 +97,7 @@ bool PICloudServer::closeDevice() {
 
 
 ssize_t PICloudServer::readDevice(void * read_to, ssize_t max_size) {
+	if (is_deleted) return -1;
 	//piCoutObj << "readDevice";
 	if (!opened_) openDevice();
 	//else piMSleep(eth.readTimeout());
@@ -118,6 +122,7 @@ void PICloudServer::clientDisconnect(uint client_id) {
 
 
 int PICloudServer::sendData(const PIByteArray & data, uint client_id) {
+	if (!opened_) return -1;
 	return tcp.sendData(data, client_id);
 }
 
@@ -173,6 +178,7 @@ ssize_t PICloudServer::Client::readDevice(void * read_to, ssize_t max_size) {
 
 
 ssize_t PICloudServer::Client::writeDevice(const void * data, ssize_t size) {
+	if (!is_connected) return -1;
 	return server->sendData(PIByteArray(data, size), client_id);
 }
 
@@ -193,6 +199,7 @@ void PICloudServer::Client::pushBuffer(const PIByteArray & ba) {
 
 
 void PICloudServer::_readed(PIByteArray & ba) {
+	if (is_deleted) return;
 	PIPair<PICloud::TCP::Type, PICloud::TCP::Role> hdr = tcp.parseHeader(ba);
 	if (hdr.second == tcp.role()) {
 		switch (hdr.first) {
@@ -222,8 +229,7 @@ void PICloudServer::_readed(PIByteArray & ba) {
 			clients_mutex.unlock();
 			if (oc) {
 				oc->stopAndWait();
-				//oc->is_connected = false;
-				//oc->close();
+				oc->is_connected = false;
 				delete oc;
 			}
 			} break;
diff --git a/libs/main/cloud/picloudserver.h b/libs/main/cloud/picloudserver.h
index a0fca4bd..59f8509e 100644
--- a/libs/main/cloud/picloudserver.h
+++ b/libs/main/cloud/picloudserver.h
@@ -86,6 +86,7 @@ private:
 	PIMap<uint, Client *> index_clients;
 	PITimer ping_timer;
 	mutable PIMutex clients_mutex;
+	std::atomic_bool is_deleted;
 };
 
 #endif // PICLOUDSERVER_H
diff --git a/libs/main/io_devices/piethernet.cpp b/libs/main/io_devices/piethernet.cpp
index 551529df..17afb0ce 100644
--- a/libs/main/io_devices/piethernet.cpp
+++ b/libs/main/io_devices/piethernet.cpp
@@ -764,8 +764,9 @@ ssize_t PIEthernet::readDevice(void * read_to, ssize_t max_size) {
 				return -1;
 			}
 			if (connected_) {
+				connected_ = false;
+				opened_ = false;
 				piCoutObj << "Disconnect on read," << ethErrorString();
-				opened_ = connected_ = false;
 				closeSocket(sock);
 				init();
 				disconnected(rs < 0);
@@ -855,8 +856,10 @@ ssize_t PIEthernet::writeDevice(const void * data, ssize_t max_size) {
 		}
 		if (!connected_) return -1;
 		auto disconnectFunc = [this](){
+			if (!connected_) return;
+			connected_ = false;
+			opened_ = false;
 			piCoutObj << "Disconnect on write," << ethErrorString();
-			opened_ = connected_ = false;
 			closeSocket(sock);
 			init();
 			disconnected(true);
diff --git a/main_picloud_test.cpp b/main_picloud_test.cpp
index 208fd746..54171b88 100644
--- a/main_picloud_test.cpp
+++ b/main_picloud_test.cpp
@@ -11,7 +11,7 @@ int main(int argc, char * argv[]) {
 	PICloudClient c("127.0.0.1:10101");
 //	c.setReopenEnabled(true);
 	PICloudServer s("127.0.0.1:10101");
-	PIVector<PICloudServer::Client *> clients;
+	auto clients = new PIVector<PICloudServer::Client *>();
 	CONNECTL(&tm, tickEvent, ([&](void *, int){
 		if (c.isConnected()) {
 			PIString str = "ping";
@@ -19,7 +19,7 @@ int main(int argc, char * argv[]) {
 			c.write(str.toByteArray());
 		}
 		if (s.isThreadedRead()) {
-			for (auto cl : clients) {
+			for (auto cl : *clients) {
 				if (cl->isOpened()) {
 					PIString str = "ping_S";
 					piCout << "[Server] send to" << cl << ":" << str;
@@ -40,7 +40,7 @@ int main(int argc, char * argv[]) {
 	CONNECTL(&c, disconnected, ([](){piCout << "disconnected";}));
 	CONNECTL(&s, newConnection, ([&](PICloudServer::Client * cl){
 		piCout << "[Server] new client:" << cl;
-		clients << cl;
+		clients->append(cl);
 		CONNECTL(cl, threadedReadEvent, ([cl, &rnd](const uchar * readed, ssize_t size){
 			PIByteArray ba(readed, size);
 			PIString str = PIString(ba);
@@ -53,7 +53,7 @@ int main(int argc, char * argv[]) {
 		CONNECTL(cl, closed, ([&clients, cl](){
 			piCout << "[Server] client closed ..." << cl;
 			cl->stop();
-			clients.removeAll(cl);
+			clients->removeAll(cl);
 			piCout << "[Server] client closed ok" << cl;
 		}));
 		cl->startThreadedRead();
diff --git a/utils/cloud_dispatcher/dispatcherserver.cpp b/utils/cloud_dispatcher/dispatcherserver.cpp
index e976fdd2..9a9b84bb 100644
--- a/utils/cloud_dispatcher/dispatcherserver.cpp
+++ b/utils/cloud_dispatcher/dispatcherserver.cpp
@@ -21,7 +21,7 @@ DispatcherServer::~DispatcherServer() {
 
 void DispatcherServer::start() {
 	eth.listen(true);
-	timeout_timer.start(5000);
+	timeout_timer.start(2000);
 	piCoutObj << "server started" << eth.readAddress();
 }