diff --git a/cores/esp8266/IPAddress.cpp b/cores/esp8266/IPAddress.cpp
index 8348897492..f416c7c64c 100644
--- a/cores/esp8266/IPAddress.cpp
+++ b/cores/esp8266/IPAddress.cpp
@@ -40,6 +40,47 @@ IPAddress::IPAddress(const uint8_t *address) {
     memcpy(_address.bytes, address, sizeof(_address.bytes));
 }
 
+bool IPAddress::fromString(const char *address) {
+    // TODO: add support for "a", "a.b", "a.b.c" formats
+
+    uint16_t acc = 0; // Accumulator
+    uint8_t dots = 0;
+
+    while (*address)
+    {
+        char c = *address++;
+        if (c >= '0' && c <= '9')
+        {
+            acc = acc * 10 + (c - '0');
+            if (acc > 255) {
+                // Value out of [0..255] range
+                return false;
+            }
+        }
+        else if (c == '.')
+        {
+            if (dots == 3) {
+                // Too much dots (there must be 3 dots)
+                return false;
+            }
+            _address.bytes[dots++] = acc;
+            acc = 0;
+        }
+        else
+        {
+            // Invalid char
+            return false;
+        }
+    }
+
+    if (dots != 3) {
+        // Too few dots (there must be 3 dots)
+        return false;
+    }
+    _address.bytes[3] = acc;
+    return true;
+}
+
 IPAddress& IPAddress::operator=(const uint8_t *address) {
     memcpy(_address.bytes, address, sizeof(_address.bytes));
     return *this;
diff --git a/cores/esp8266/IPAddress.h b/cores/esp8266/IPAddress.h
index 4876358fca..9248084b23 100644
--- a/cores/esp8266/IPAddress.h
+++ b/cores/esp8266/IPAddress.h
@@ -48,6 +48,9 @@ class IPAddress: public Printable {
         IPAddress(uint32_t address);
         IPAddress(const uint8_t *address);
 
+        bool fromString(const char *address);
+        bool fromString(const String &address) { return fromString(address.c_str()); }
+
         // Overloaded cast operator to allow IPAddress objects to be used where a pointer
         // to a four-byte uint8_t array is expected
         operator uint32_t() const {
diff --git a/cores/esp8266/core_esp8266_phy.c b/cores/esp8266/core_esp8266_phy.c
index 6086c920ca..acdbabf540 100644
--- a/cores/esp8266/core_esp8266_phy.c
+++ b/cores/esp8266/core_esp8266_phy.c
@@ -23,8 +23,8 @@
  #include <stdint.h>
  #include <stddef.h>
  #include <stdbool.h>
-
-#include "c_types.h"
+ #include <string.h>
+ #include "c_types.h"
 
 static const uint8_t ICACHE_FLASH_ATTR phy_init_data[128] =
 {
diff --git a/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp b/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
index 17e9d0473d..edb09e668f 100644
--- a/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
+++ b/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
@@ -193,6 +193,12 @@ void HTTPClient::begin(String host, uint16_t port, String url, bool https, Strin
  */
 void HTTPClient::end(void) {
     if(connected()) {
+        if(_tcp->available() > 0) {
+            DEBUG_HTTPCLIENT("[HTTP-Client][end] still data in buffer (%d), clean up.\n", _tcp->available());
+            while(_tcp->available() > 0) {
+                _tcp->read();
+            }
+        }
         if(_reuse && _canReuse) {
             DEBUG_HTTPCLIENT("[HTTP-Client][end] tcp keep open for reuse\n");
         } else {
@@ -711,6 +717,9 @@ bool HTTPClient::connect(void) {
 
     if(connected()) {
         DEBUG_HTTPCLIENT("[HTTP-Client] connect. already connected, try reuse!\n");
+        while(_tcp->available() > 0) {
+            _tcp->read();
+        }
         return true;
     }