diff --git a/.travis.yml b/.travis.yml
index a60c30b5f725..d8450093eb79 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ install:
   - sudo apt-get install subversion libglib2.0 libxml2-dev libpcap-dev libtool rrdtool librrd-dev autoconf automake autogen redis-server wget libsqlite3-dev libhiredis-dev libgeoip-dev libcurl4-openssl-dev libpango1.0-dev libcairo2-dev libpng12-dev git
 
 before_script:
+  - git clone https://github.com/ntop/nDPI.git; cd nDPI; ./autogen.sh; make; cd ..
   - ./autogen.sh
 
 script:
diff --git a/Makefile.in b/Makefile.in
index aea72abaa93b..3ef085d6be8f 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -13,8 +13,8 @@ ifeq ($(HAS_NDPI), 0)
     NDPI_LIB = $(shell pkg-config --libs libndpi)
     NDPI_LIB_DEP =
 else
-    NDPI_INC=-I./nDPI/src/include
-    NDPI_LIB=./nDPI/src/lib/.libs/libndpi.a
+    NDPI_INC=-I@NDPI_HOME@/src/include
+    NDPI_LIB=@NDPI_HOME@/src/lib/.libs/libndpi.a
     NDPI_LIB_DEP=$(NDPI_LIB)
 endif
 ######
@@ -82,8 +82,8 @@ PLATFORM = `uname -p`
 REVISION = @GIT_RELEASE@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 NTOPNG_VERSION = @NTOPNG_VERSION@
-RPM_PKG = $(TARGET)-$(NTOPNG_VERSION)-@TODAY@.$(PLATFORM).rpm
-RPM_DATA_PKG = $(TARGET)-data-$(NTOPNG_VERSION)-@TODAY@.noarch.rpm
+RPM_PKG = $(TARGET)-$(NTOPNG_VERSION)-@REVISION@.$(PLATFORM).rpm
+RPM_DATA_PKG = $(TARGET)-data-$(NTOPNG_VERSION)-@REVISION@.noarch.rpm
 ######
 
 ifeq ($(OS),Darwin)
@@ -130,12 +130,6 @@ HEADERS = $(wildcard include/*.h) @PRO_HEADERS@
 $(TARGET): $(OBJECTS) $(LIBRRDTOOL) Makefile
 	$(GPP) $(OBJECTS) -Wall $(LIBS) -o $@
 
-$(NDPI_LIB): nDPI
-	cd nDPI; if test ! -f Makefile; then ./autogen.sh ; ./configure; fi; make
-
-nDPI:
-	git clone https://github.com/ntop/nDPI.git
-
 $(LUAJIT_LIB):
 	cd $(LUAJIT_HOME); @GMAKE@
 
diff --git a/README.ntopng b/README.ntopng
index cbacab3c2e63..96bf4ae4cb49 100644
--- a/README.ntopng
+++ b/README.ntopng
@@ -16,11 +16,11 @@ Prerequisites
 
 On Ubuntu/Debian
 - apt-get install build-essential
-- apt-get install subversion libglib2.0 libxml2-dev libpcap-dev libtool rrdtool librrd-dev autoconf automake autogen redis-server wget libsqlite3-dev libhiredis-dev libgeoip-dev libcurl4-openssl-dev libpango1.0-dev libcairo2-dev libpng12-dev git
+- apt-get install libglib2.0 libxml2-dev libpcap-dev libtool rrdtool librrd-dev autoconf automake autogen redis-server wget libsqlite3-dev libhiredis-dev libgeoip-dev libcurl4-openssl-dev libpango1.0-dev libcairo2-dev libpng12-dev git
 
 On Fedora/CentOS
 - yum groupinstall "Development tools"
-- yum install subversion autoconf automake autogen libpcap-devel GeoIP-devel hiredis-devel redis glib2-devel libxml2-devel sqlite-devel gcc-c++ libtool wget libcurl-devel pango-devel cairo-devel libpng-devel git
+- yum install git autoconf automake autogen libpcap-devel GeoIP-devel hiredis-devel redis glib2-devel libxml2-devel sqlite-devel gcc-c++ libtool wget libcurl-devel pango-devel cairo-devel libpng-devel
 
 On MacOSX (using http://brew.sh)
 brew install redis hiredis autoconf automake libtool rrdtool wget pkg-config git
diff --git a/configure.seed b/configure.seed
index 360bcba5d81e..e6c72c07acae 100644
--- a/configure.seed
+++ b/configure.seed
@@ -8,7 +8,7 @@ dnl> Add /usr/local/ /opt/local
 CFLAGS=""
 NTOPNG_VERSION="@VERSION@"
 NTOPNG_SHORT_VERSION="@SHORT_VERSION@"
-TODAY=`date +%y%m%d`
+REVISION=`git rev-list --all |wc -l`
 
 if test -d "/usr/local/include"; then
 CFLAGS="${CFLAGS} -I/usr/local/include"
@@ -32,6 +32,36 @@ GIT_RELEASE="${PACKAGE_VERSION}"
 GIT_DATE=`date`
 fi
 
+AC_MSG_CHECKING(for nDPI)
+NDPI_HOME=./nDPI
+if test -d "$NDPI_HOME" ; then :
+   AC_MSG_RESULT(found in $NDPI_HOME)
+else
+   NDPI_HOME=../nDPI
+   if test -d "$NDPI_HOME"; then :
+      AC_MSG_RESULT(found in $NDPI_HOME)
+   else
+      NDPI_HOME=$HOME/nDPI
+      if test -d "$NDPI_HOME"; then :
+        AC_MSG_RESULT(found in $NDPI_HOME)
+      else
+        AC_MSG_RESULT(not found)
+        echo "Please do cd ..; git clone https://github.com/ntop/nDPI.git; cd nDPI; ./autogen.sh; make; cd ../ntopng"
+        echo " and try again"
+        exit
+      fi
+   fi
+fi
+
+NDPI_LIB=$NDPI_HOME/src/lib/.libs/libndpi.a
+AC_MSG_CHECKING(for $NDPI_LIB)
+if test -f "$NDPI_LIB" ; then :
+  AC_MSG_RESULT(found $NDPI_LIB)
+else
+  AC_MSG_RESULT(not found $NDPI_LIB: compiling)
+  cd $NDPI_HOME; ./autogen.sh; make; cd -
+fi
+
 if test -d "pro"; then :
 PRO_OBJECTS='$(patsubst pro/%.cpp, pro/%.o, $(wildcard pro/*.cpp))'
 PRO_HEADERS='$(wildcard pro/*.h)'
@@ -142,7 +172,7 @@ if test -f "/usr/local/lib/libpfring.a" || test -f "/opt/pfring/lib/libpfring.a"
 	  exit
         fi
       fi
-    fi 
+    fi
   else
   LDFLAGS="${LDFLAGS} -lpfring"
   echo "Compiling ntopng with PF_RING support"
@@ -286,6 +316,7 @@ AC_SUBST(GIT_DATE)
 AC_SUBST(GIT_INDEX)
 AC_SUBST(INSTALL_DIR)
 AC_SUBST(MAN_DIR)
+AC_SUBST(NDPI_HOME)
 AC_SUBST(HIREDIS_INC)
 AC_SUBST(HIREDIS_LIB)
 AC_SUBST(PRO_OBJECTS)
@@ -293,7 +324,7 @@ AC_SUBST(PRO_HEADERS)
 AC_SUBST(PRO_MAKEFILE_INC)
 AC_SUBST(PRO_LIBS)
 AC_SUBST(PRO_INC)
-AC_SUBST(TODAY)
+AC_SUBST(REVISION)
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_FILES(packages/ntopng.spec)
 AC_CONFIG_FILES(packages/ntopng-data.spec)
diff --git a/include/ntop_defines.h b/include/ntop_defines.h
index ad72a0e8ed3b..bd28c424683a 100644
--- a/include/ntop_defines.h
+++ b/include/ntop_defines.h
@@ -136,6 +136,7 @@
 #define CONST_ALLOWED_NETS        "allowed_nets"
 #define CONST_USER                "user"
 #define CONST_ES_QUEUE_NAME       "ntopng.es"
+#define CONST_NTOP_INTERFACE      "ntop_interface"
 
 #define CONST_INTERFACE_TYPE_PCAP      "pcap"
 #define CONST_INTERFACE_TYPE_PCAP_DUMP "pcap dump"
diff --git a/src/Flow.cpp b/src/Flow.cpp
index b04ccab3646f..3c10bf6f8666 100644
--- a/src/Flow.cpp
+++ b/src/Flow.cpp
@@ -1263,6 +1263,8 @@ json_object* Flow::flow2json(bool partial_dump) {
      || (ndpi_detected_protocol != NDPI_PROTOCOL_UNKNOWN))
     json_object_object_add(my_object, Utils::jsonLabel(L7_PROTO, "L7_PROTO", jsonbuf, sizeof(jsonbuf)),
 			   json_object_new_int(get_detected_protocol()));
+    json_object_object_add(my_object, Utils::jsonLabel(L7_PROTO_NAME, "L7_PROTO_NAME", jsonbuf, sizeof(jsonbuf)),
+                           json_object_new_string(get_detected_protocol_name()));
 
   if(protocol == IPPROTO_TCP)
     json_object_object_add(my_object, Utils::jsonLabel(TCP_FLAGS, "TCP_FLAGS", jsonbuf, sizeof(jsonbuf)),
@@ -1318,6 +1320,7 @@ json_object* Flow::flow2json(bool partial_dump) {
     json_object_object_add(my_object, "HTTP_URL", json_object_new_string(http.last_url));
     json_object_object_add(my_object, "HTTP_METHOD", json_object_new_string(http.last_method));
     json_object_object_add(my_object, "HTTP_RET_CODE", json_object_new_int((u_int32_t)http.last_return_code));
+    json_object_object_add(my_object, "HTTP_HOST", json_object_new_string(host_server_name));
   }
 
   if(ssl.certificate)
diff --git a/src/Lua.cpp b/src/Lua.cpp
index 3e659431945b..d05fd07df162 100644
--- a/src/Lua.cpp
+++ b/src/Lua.cpp
@@ -244,7 +244,7 @@ static NetworkInterfaceView* get_ntop_interface(lua_State* vm) {
 
   ntop->getTrace()->traceEvent(TRACE_INFO, "%s() called", __FUNCTION__);
 
-  lua_getglobal(vm, "ntop_interface");
+  lua_getglobal(vm, CONST_NTOP_INTERFACE);
   if((ntop_interface = (NetworkInterfaceView*)lua_touserdata(vm, lua_gettop(vm))) == NULL) {
     ntop_interface = handle_null_interface_view(vm);
   }
@@ -292,7 +292,7 @@ static int ntop_select_interface(lua_State* vm) {
   ifname = (char*)lua_tostring(vm, 1);
 
   lua_pushlightuserdata(vm, (char*)ntop->getNetworkInterfaceView(ifname));
-  lua_setglobal(vm, "ntop_interface");
+  lua_setglobal(vm, CONST_NTOP_INTERFACE);
 
   return(CONST_LUA_OK);
 }