diff --git a/code/espurna/config/arduino.h b/code/espurna/config/arduino.h
index a6bbdbc5b7..7c23e2186a 100644
--- a/code/espurna/config/arduino.h
+++ b/code/espurna/config/arduino.h
@@ -80,6 +80,7 @@
 //#define HELTEC_TOUCHRELAY
 //#define ZHILDE_EU44_W
 //#define LUANI_HVIO
+//#define ALLNET_ESP8266_UP
 
 //--------------------------------------------------------------------------------
 // Features (values below are non-default values)
diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 1e289bc11c..6f8518c4eb 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -1997,6 +1997,39 @@
     #define LED1_PIN                1
     #define LED1_PIN_INVERSE        1
 
+    // -----------------------------------------------------------------------------
+    // Allnet 4duino ESP8266-UP-Relais
+    // http://www.allnet.de/de/allnet-brand/produkte/neuheiten/p/allnet-4duino-iot-wlan-relais-unterputz-esp8266-up-relais/
+    // -----------------------------------------------------------------------------
+
+#elif defined(ALLNET_ESP8266_UP)
+
+    // Info
+    #define MANUFACTURER            "ALLNET"
+    #define DEVICE                  "ESP8266_UP_Relais"
+
+    // Relays
+    #define RELAY1_PIN              14
+    #define RELAY1_RESET_PIN        12
+    #define RELAY1_TYPE             RELAY_TYPE_LATCHED
+
+    // LEDs
+    #define LED1_PIN                0
+    #define LED1_PIN_INVERSE        1
+
+    // Buttons
+    #define BUTTON1_PIN             4
+    #define BUTTON1_MODE            BUTTON_PUSHBUTTON
+    #define BUTTON1_PRESS           BUTTON_MODE_TOGGLE
+    #define BUTTON1_CLICK           BUTTON_MODE_NONE
+    #define BUTTON1_DBLCLICK        BUTTON_MODE_NONE
+    #define BUTTON1_LNGCLICK        BUTTON_MODE_NONE
+    #define BUTTON1_LNGLNGCLICK     BUTTON_MODE_NONE
+
+    #define BUTTON2_PIN             5
+    #define BUTTON2_MODE            BUTTON_PUSHBUTTON
+
+
 // -----------------------------------------------------------------------------
 // Luani HVIO
 // https://luani.de/projekte/esp8266-hvio/
diff --git a/code/espurna/migrate.ino b/code/espurna/migrate.ino
index fb986e8699..548537d41a 100644
--- a/code/espurna/migrate.ino
+++ b/code/espurna/migrate.ino
@@ -930,6 +930,13 @@ void migrate() {
             setSetting("relayGPIO", 1, 5);
             setSetting("relayType", 1, RELAY_TYPE_NORMAL);
 
+        #elif defined(ALLNET_ESP8266_UP)
+
+            setSetting("board", 73);
+            setSetting("relayGPIO", 0, 14);
+            setSetting("relayResetGPIO", 1, 12);
+            setSetting("relayType", 0, RELAY_TYPE_LATCHED);
+
         #else
 
             // Allow users to define new settings without migration config
diff --git a/code/espurna/telnet.ino b/code/espurna/telnet.ino
index fc3912c6ff..006d5d216d 100644
--- a/code/espurna/telnet.ino
+++ b/code/espurna/telnet.ino
@@ -66,6 +66,15 @@ void _telnetData(unsigned char clientId, void *data, size_t len) {
 
     // Capture close connection
     char * p = (char *) data;
+
+    // C-d is sent as two bytes (sometimes repeating)
+    if (len >= 2) {
+        if ((p[0] == 0xFF) && (p[1] == 0xEC)) {
+            _telnetClients[clientId]->close(true);
+            return;
+        }
+    }
+
     if ((strncmp(p, "close", 5) == 0) || (strncmp(p, "quit", 4) == 0)) {
         _telnetClients[clientId]->close();
         return;
diff --git a/code/platformio.ini b/code/platformio.ini
index 54150a1b80..737f97fe40 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -2104,3 +2104,27 @@ upload_speed = 115200
 upload_port = "${env.ESPURNA_IP}"
 upload_flags = --auth=${env.ESPURNA_AUTH} --port 8266
 extra_scripts = ${common.extra_scripts}
+
+[env:allnet-esp8266-up-relay]
+platform = ${common.platform}
+framework = arduino
+board = esp12e
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DALLNET_ESP8266_UP
+monitor_baud = 115200
+extra_scripts = ${common.extra_scripts}
+
+[env:allnet-esp8266-up-relay-ota]
+platform = ${common.platform}
+framework = arduino
+board = esp12e
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DALLNET_ESP8266_UP
+upload_speed = 115200
+upload_port = "${env.ESPURNA_IP}"
+upload_flags = --auth=${env.ESPURNA_AUTH} --port 8266
+extra_scripts = ${common.extra_scripts}