diff --git a/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c b/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c
index 0ee4e0a8443a60a24af33a8ded9e6c970aef09c1..a85b239dce7b9b595448c224c42fa3ef98ed1f1e 100644
--- a/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c
+++ b/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c
@@ -46,6 +46,7 @@
 #include "NwGtpv1uLog.h"
 
 #include "assertions.h"
+#include "intertask_interface.h"
 
 #include "gtpv1u.h"
 #if defined(ENB_MODE)
@@ -573,9 +574,10 @@ nwGtpv1uHandleEchoReq(NW_IN NwGtpv1uStackT *thiz,
                       NW_IN NwU16T peerPort,
                       NW_IN NwU32T peerIp)
 {
-    NwGtpv1uRcT           rc = NW_GTPV1U_FAILURE;
+    NwGtpv1uRcT           rc     = NW_GTPV1U_FAILURE;
     NwU16T                seqNum = 0;
-    NwGtpv1uMsgHandleT    hMsg = 0;
+    NwGtpv1uMsgHandleT    hMsg   = 0;
+    int                   bufLen = 0;
 
     seqNum = ntohs(*(NwU16T *) (msgBuf + (((*msgBuf) & 0x02) ? 8 : 4)));
 
@@ -592,6 +594,13 @@ nwGtpv1uHandleEchoReq(NW_IN NwGtpv1uStackT *thiz,
                          0,
                          (&hMsg));
 
+    bufLen = sizeof(NwGtpv1uIeTv1T)+ ((NwGtpv1uMsgT*)hMsg)->msgLen;
+
+    ((NwGtpv1uMsgT*)hMsg)->msgBuf = itti_malloc(
+            TASK_GTPV1_U,
+            TASK_UDP,
+            bufLen);
+    ((NwGtpv1uMsgT*)hMsg)->msgBufLen    = bufLen;
     NW_ASSERT(NW_GTPV1U_OK == rc);
 
     /*
diff --git a/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1uMsg.c b/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1uMsg.c
index 021042d24e1e008d94974fea3a65859255b52157..9fa1b28b4832bc76968cbe3f0250d1d5892b2c37 100644
--- a/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1uMsg.c
+++ b/openair-cn/GTPV1-U/nw-gtpv1u/src/NwGtpv1uMsg.c
@@ -104,6 +104,9 @@ nwGtpv1uMsgNew( NW_IN NwGtpv1uStackHandleT hGtpuStackHandle,
                                 4 : 0);
         //NW_GTPV1U_EPC_SPECIFIC_HEADER_SIZE : (NW_GTPV1U_EPC_SPECIFIC_HEADER_SIZE - 4));
 
+        pMsg->msgBuf       = NULL;
+        pMsg->msgBufLen    = 0;
+        pMsg->msgBufOffset = 0;
         *phMsg = (NwGtpv1uMsgHandleT) pMsg;
         return NW_GTPV1U_OK;
     }
diff --git a/openair-cn/OPENAIRHSS/auc/auc.h b/openair-cn/OPENAIRHSS/auc/auc.h
index 7f2e64a69b48e18270324036eee4af1db3a7f227..c8fc77364c3216ba0d4aec54c69f997362db1661 100644
--- a/openair-cn/OPENAIRHSS/auc/auc.h
+++ b/openair-cn/OPENAIRHSS/auc/auc.h
@@ -92,11 +92,9 @@ void generate_autn(u8 sqn[6], u8 ak[6], u8 amf[2], u8 mac_a[8], u8 autn[16]);
 int generate_vector(uint64_t imsi, uint8_t key[16], uint8_t plmn[3],
                     uint8_t sqn[6], auc_vector_t *vector);
 
-inline
 void kdf(uint8_t *key, uint16_t key_len, uint8_t *s, uint16_t s_len, uint8_t *out,
          uint16_t out_len);
 
-inline
 void derive_kasme(uint8_t ck[16], uint8_t ik[16], uint8_t plmn[3], uint8_t sqn[6],
                   uint8_t ak[6], uint8_t kasme[32]);
 
diff --git a/openair-cn/OPENAIRHSS/auc/kdf.c b/openair-cn/OPENAIRHSS/auc/kdf.c
index 2ae9c5e91ae1c478b6861d7d2411d8a430e4ced7..cfab5522c73f33d582923766e81b572f413522ae 100644
--- a/openair-cn/OPENAIRHSS/auc/kdf.c
+++ b/openair-cn/OPENAIRHSS/auc/kdf.c
@@ -140,7 +140,6 @@ int generate_vector(uint64_t imsi, uint8_t key[16], uint8_t plmn[3],
     uint8_t ck[16];
     uint8_t ik[16];
     uint8_t ak[6];
-    int i;
 
     if (vector == NULL) {
         return EINVAL;
diff --git a/openair-cn/OPENAIRHSS/auc/random.c b/openair-cn/OPENAIRHSS/auc/random.c
index a05f1fd878f8fa8998116ef4cb93be281e6c3b1d..f586e679e3a01a0ee5014cd496caaea70c751a05 100644
--- a/openair-cn/OPENAIRHSS/auc/random.c
+++ b/openair-cn/OPENAIRHSS/auc/random.c
@@ -69,7 +69,7 @@ void generate_random(uint8_t *random_p, ssize_t length)
 //    pthread_mutex_unlock(&random_state.lock);
 
 //    mpz_export(random_p, NULL, 1, length, 0, 0, random_nb);
-    int r = 0, i, mask = 0, shift;
+    int i;//r = 0,  mask = 0, shift;
 
     for (i = 0; i < length; i ++) {
 //        if ((i % sizeof(i)) == 0)
diff --git a/openair-cn/OPENAIRHSS/conf/hss.conf.in b/openair-cn/OPENAIRHSS/conf/hss.conf.in
index fd4a1ef3c7c27a59328cdac31eed59a571d231cb..4c5e4c7d93c3b319a17ba4e4358bcd4b432ddeed 100644
--- a/openair-cn/OPENAIRHSS/conf/hss.conf.in
+++ b/openair-cn/OPENAIRHSS/conf/hss.conf.in
@@ -1,8 +1,11 @@
 ## MySQL mandatory options
-MYSQL_server = "127.0.0.1";
-MYSQL_user   = "hssadmin";
-MYSQL_pass   = "admin";
-MYSQL_db     = "oai_db";
+MYSQL_server = "@MYSQL_server@";
+MYSQL_user   = "@MYSQL_user@";
+MYSQL_pass   = "@MYSQL_pass@";
+MYSQL_db     = "@MYSQL_db@";
+
+## HSS options
+OPERATOR_key = "@OPERATOR_key@";
 
 ## Freediameter options
-FD_conf = "@AM_CONF_DIR@/hss_fd.conf";
+FD_conf = "@FREEDIAMETER_PATH@/../etc/freeDiameter/hss_fd.conf";
diff --git a/openair-cn/OPENAIRHSS/conf/make_certs.sh b/openair-cn/OPENAIRHSS/conf/make_certs.sh
index 3e5568ad01d332ce200b820115ba0efe1d984f47..181c49912ddddfe2bdbac595c6cdadf0cb019726 100755
--- a/openair-cn/OPENAIRHSS/conf/make_certs.sh
+++ b/openair-cn/OPENAIRHSS/conf/make_certs.sh
@@ -51,7 +51,7 @@ echo "Creating HSS certificate for user '$HOSTNAME'.'$REALM'"
 # openssl ca -cert cacert.pem -keyfile cakey.pem -in hss.csr.pem -out hss.cert.pem -outdir . -batch
 
 # Create a Root Certification Authority Certificate
-openssl req  -new -batch -x509 -days 3650 -nodes -newkey rsa:1024 -out cacert.pem -keyout cakey.pem -subj /CN=$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
+openssl req  -new -batch -x509 -days 3650 -nodes -newkey rsa:1024 -out hss.cacert.pem -keyout hss.cakey.pem -subj /CN=$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
 
 # Generate a Private Key
 openssl genrsa -out hss.key.pem 1024
@@ -60,7 +60,7 @@ openssl genrsa -out hss.key.pem 1024
 openssl req -new -batch -out hss.csr.pem -key hss.key.pem -subj /CN=$HOSTNAME.$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
 
 # Certification authority
-openssl ca -cert cacert.pem -keyfile cakey.pem -in hss.csr.pem -out hss.cert.pem -outdir . -batch
+openssl ca -cert hss.cacert.pem -keyfile hss.cakey.pem -in hss.csr.pem -out hss.cert.pem -outdir . -batch
 
 if [ ! -d /usr/local/etc/freeDiameter ]
 then
@@ -68,7 +68,7 @@ then
     sudo mkdir /usr/local/etc/freeDiameter/
 fi
 
-sudo cp -upv cakey.pem hss.cert.pem cacert.pem hss.key.pem /usr/local/etc/freeDiameter/
+sudo cp -upv hss.cakey.pem hss.cert.pem hss.cacert.pem hss.key.pem /usr/local/etc/freeDiameter/
 
 # openssl genrsa -out $hss.key.pem 1024
 # openssl req -new -batch -out $hss.csr.pem -key $hss.key.pem -subj /CN=$hss.test.fr/C=FR/ST=Biot/L=Aix/O=test.fr/OU=mobiles
diff --git a/openair-cn/OPENAIRHSS/db/db_connector.c b/openair-cn/OPENAIRHSS/db/db_connector.c
index f841e0db6aeca0f858460954f55cf3e229320617..3e070d0c3db3246b9840a537e69b92a0d8be7235 100644
--- a/openair-cn/OPENAIRHSS/db/db_connector.c
+++ b/openair-cn/OPENAIRHSS/db/db_connector.c
@@ -377,7 +377,6 @@ int hss_mysql_push_rand_sqn(const char *imsi, uint8_t *rand_p, uint8_t *sqn)
 {
     int status = 0, i;
     MYSQL_RES *res;
-    MYSQL_ROW row;
     char query[255];
     int query_length = 0;
     uint64_t sqn_decimal = 0;
diff --git a/openair-cn/OPENAIRHSS/db/db_proto.h b/openair-cn/OPENAIRHSS/db/db_proto.h
index fb8f27cd22fff5e10c76fa88d26231fbd41428ad..bd4f9ea2c3ad956422eb47adeae74c4e5ecf0402 100644
--- a/openair-cn/OPENAIRHSS/db/db_proto.h
+++ b/openair-cn/OPENAIRHSS/db/db_proto.h
@@ -29,6 +29,7 @@
 
 #include <stdio.h>
 #include <stdint.h>
+#include <pthread.h>
 #include <mysql/mysql.h>
 
 #include <netinet/in.h> /* To provide internet addresses strings helpers */
diff --git a/openair-cn/OPENAIRHSS/s6a/s6a_auth_info.c b/openair-cn/OPENAIRHSS/s6a/s6a_auth_info.c
index c382102804086c99649f8fd37bd1025bf017f012..2c6177b6f2477ef53d96ae0323acdcac1ebad782 100644
--- a/openair-cn/OPENAIRHSS/s6a/s6a_auth_info.c
+++ b/openair-cn/OPENAIRHSS/s6a/s6a_auth_info.c
@@ -34,9 +34,12 @@
  * \version 0.1
  */
 
+#include <freeDiameter/freeDiameter-host.h>
+#include <freeDiameter/libfdproto.h>
 #include <stdint.h>
 #include <string.h>
 #include <inttypes.h>
+#include <pthread.h>
 
 #include "hss_config.h"
 #include "db_proto.h"
diff --git a/openair-cn/OPENAIRHSS/s6a/s6a_error.c b/openair-cn/OPENAIRHSS/s6a/s6a_error.c
index cb58bafc116bd728be9b4a1dbc069e59bf6818af..b5ad478bfff0308930a0453351f8419c6da19ba1 100644
--- a/openair-cn/OPENAIRHSS/s6a/s6a_error.c
+++ b/openair-cn/OPENAIRHSS/s6a/s6a_error.c
@@ -31,7 +31,7 @@
 #include "db_proto.h"
 #include "s6a_proto.h"
 
-inline char *experimental_retcode_2_string(int ret_code)
+char *experimental_retcode_2_string(int ret_code)
 {
     switch(ret_code) {
         /* Experimental-Result-Codes */
@@ -55,7 +55,7 @@ inline char *experimental_retcode_2_string(int ret_code)
     return "DIAMETER_AVP_UNSUPPORTED";
 }
 
-inline char *retcode_2_string(int ret_code)
+char *retcode_2_string(int ret_code)
 {
     switch(ret_code) {
         case ER_DIAMETER_SUCCESS:
diff --git a/openair-cn/OPENAIRHSS/s6a/s6a_fd.c b/openair-cn/OPENAIRHSS/s6a/s6a_fd.c
index 1f3234da208f7e3dd61a8fcf66611c13929933d5..1c4c2c5b1c16f390f09c397de684e533f218b6e5 100644
--- a/openair-cn/OPENAIRHSS/s6a/s6a_fd.c
+++ b/openair-cn/OPENAIRHSS/s6a/s6a_fd.c
@@ -51,7 +51,7 @@ static struct session_handler *s6a_reg = NULL;
 static struct disp_hdl *handle;
 s6a_cnf_t s6a_cnf;
 
-#if !defined(FREEDIAMETER_VERSION_1_2_0)
+#if FREEDIAMETER_VERSION < 120
 void s6a_cli_sess_cleanup(void * arg, char * sid, void * opaque);
 
 void s6a_cli_sess_cleanup(void * arg, char * sid, void * opaque)
@@ -311,7 +311,7 @@ int s6a_init(hss_config_t *hss_config_p)
     }
 
     /* Create handler for sessions */
-#if !defined(FREEDIAMETER_VERSION_1_2_0)
+#if FREEDIAMETER_VERSION < 120
     CHECK_FCT(fd_sess_handler_create(&s6a_reg, s6a_cli_sess_cleanup, NULL));
 #else
     session_state_dump dumper;
diff --git a/openair-cn/OPENAIRHSS/s6a/s6a_proto.h b/openair-cn/OPENAIRHSS/s6a/s6a_proto.h
index 05312c5d1313b228f672d4ca3f31486d8981038e..924f8775e3b364280c03a6503398bbd2cee3f030 100644
--- a/openair-cn/OPENAIRHSS/s6a/s6a_proto.h
+++ b/openair-cn/OPENAIRHSS/s6a/s6a_proto.h
@@ -232,7 +232,7 @@ int s6a_add_result_code(struct msg *ans, struct avp *failed_avp,
 
 int s6a_add_ipv4_address(struct avp *avp, const char *ipv4_addr);
 int s6a_add_ipv6_address(struct avp *avp, const char *ipv6_addr);
-inline char *experimental_retcode_2_string(int ret_code);
-inline char *retcode_2_string(int ret_code);
+char *experimental_retcode_2_string(int ret_code);
+char *retcode_2_string(int ret_code);
 
 #endif /* S6A_PROTO_H_ */
diff --git a/openair-cn/OPENAIRHSS/s6a/s6a_purge_ue.c b/openair-cn/OPENAIRHSS/s6a/s6a_purge_ue.c
index 08dc2deeb2c368e0ea39321782d7dcdc0121486f..309951a50f65f4d405c817a1c300624b84a749ac 100644
--- a/openair-cn/OPENAIRHSS/s6a/s6a_purge_ue.c
+++ b/openair-cn/OPENAIRHSS/s6a/s6a_purge_ue.c
@@ -34,6 +34,9 @@
  * \version 0.1
  */
 
+#include <freeDiameter/freeDiameter-host.h>
+#include <freeDiameter/libfdproto.h>
+
 #include "hss_config.h"
 #include "db_proto.h"
 #include "s6a_proto.h"
diff --git a/openair-cn/OPENAIRHSS/s6a/s6a_up_loc.c b/openair-cn/OPENAIRHSS/s6a/s6a_up_loc.c
index 7a667f85ab9351a8828851e5a31d3bd4b6dfd6a8..8b9defb4b7c61330d93a8fc1aabb8da002c08cc2 100644
--- a/openair-cn/OPENAIRHSS/s6a/s6a_up_loc.c
+++ b/openair-cn/OPENAIRHSS/s6a/s6a_up_loc.c
@@ -34,6 +34,8 @@
  * \version 0.1
  */
 
+#include <freeDiameter/freeDiameter-host.h>
+#include <freeDiameter/libfdproto.h>
 #include "hss_config.h"
 #include "db_proto.h"
 #include "s6a_proto.h"
diff --git a/openair-cn/OPENAIRHSS/utils/hss_config.c b/openair-cn/OPENAIRHSS/utils/hss_config.c
index 05c9aada5f26c90496d9ce522f222214f4243cd2..1108944162403472ba37b009df468b7d4bfebb7c 100644
--- a/openair-cn/OPENAIRHSS/utils/hss_config.c
+++ b/openair-cn/OPENAIRHSS/utils/hss_config.c
@@ -42,15 +42,30 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <stdint.h>
 #include <errno.h>
 #include <getopt.h>
 
 #include "hss_config.h"
 #include "hss_parser.h"
 
+
+#ifndef PACKAGE_NAME
+#define PACKAGE_NAME "OPENAIR-HSS"
+#endif
+#ifndef PACKAGE_VERSION
+#define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL"
+#endif
+#ifndef PACKAGE_BUGREPORT
+#define PACKAGE_BUGREPORT "openair4G-devel@eurecom.fr"
+#endif
+
+// LG TODO fd_g_debug_lvl
+int fd_g_debug_lvl = 1;
+
 /* YACC forward declarations */
 extern int  yyparse (struct hss_config_s *hss_config_p);
-
+extern uint8_t OP[16];
 static int config_parse_command_line(int argc, char *argv[],
                                      hss_config_t *hss_config_p);
 static int config_parse_file(hss_config_t *hss_config_p);
@@ -82,7 +97,37 @@ int config_init(int argc, char *argv[], hss_config_t *hss_config_p)
         abort();
     }
     config_display(hss_config_p);
-    return ret;
+
+    // post processing for op key
+    if (hss_config_p->operator_key) {
+        if (strlen(hss_config_p->operator_key) == 32) {
+            ret = sscanf(hss_config_p->operator_key,
+                    "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+                    (unsigned int*)&OP[0],(unsigned int*)&OP[1],
+                    (unsigned int*)&OP[2],(unsigned int*)&OP[3],
+                    (unsigned int*)&OP[4],(unsigned int*)&OP[5],
+                    (unsigned int*)&OP[6],(unsigned int*)&OP[7],
+                    (unsigned int*)&OP[8],(unsigned int*)&OP[9],
+                    (unsigned int*)&OP[10],(unsigned int*)&OP[11],
+                    (unsigned int*)&OP[12],(unsigned int*)&OP[13],
+                    (unsigned int*)&OP[14],(unsigned int*)&OP[15]);
+            if (ret != 16) {
+                fprintf(stderr,
+                        "Error in configuration file: operator key: %s\n",
+                        hss_config_p->operator_key);
+                abort();
+            }
+        } else {
+            fprintf(stderr,
+                    "Error in configuration file: operator key length != 32 (16 hex bytes): %s\n",
+                    hss_config_p->operator_key);
+            abort();
+        }
+    } else {
+        fprintf(stderr, "Error in configuration file: operator key is null\n");
+        abort();
+    }
+    return 0;
 }
 
 static void display_banner(void)
@@ -119,6 +164,9 @@ static void config_display(hss_config_t *hss_config_p)
     fprintf(stdout, "* FreeDiameter:\n");
     fprintf(stdout, "\t- Conf file ........: %s\n",
             hss_config_p->freediameter_config);
+    fprintf(stdout, "* Security:\n");
+    fprintf(stdout, "\t- Operator key......: %s\n",
+            hss_config_p->operator_key);
 }
 
 static int config_parse_command_line(int argc, char *argv[],
diff --git a/openair-cn/OPENAIRHSS/utils/hss_config.h b/openair-cn/OPENAIRHSS/utils/hss_config.h
index 8eb8f68e25c33e88f02ac4bff86841731202cd45..65e0c45fdee5beb529b7560502314b34e722d0d0 100644
--- a/openair-cn/OPENAIRHSS/utils/hss_config.h
+++ b/openair-cn/OPENAIRHSS/utils/hss_config.h
@@ -35,6 +35,9 @@ typedef struct hss_config_s {
     char *mysql_password;
     char *mysql_database;
 
+
+    char *operator_key;
+
     /* The freediameter configuration file */
     char *freediameter_config;
 
diff --git a/openair-cn/OPENAIRHSS/utils/hss_parser.y b/openair-cn/OPENAIRHSS/utils/hss_parser.y
index 685fbf266ae48fdaa058544214e7f634f51b69db..19c4e816105e94a21a3fed07381e54fcf7a83c35 100644
--- a/openair-cn/OPENAIRHSS/utils/hss_parser.y
+++ b/openair-cn/OPENAIRHSS/utils/hss_parser.y
@@ -69,6 +69,7 @@ int fddlex(YYSTYPE *lvalp, YYLTYPE *llocp);
 %token MYSQL_SERVER
 %token MYSQL_PASS
 %token MYSQL_DB
+%token OPERATOR_KEY
 
 %%
 conffile:       /* Empty is OK -- for simplicity here, we reject in daemon later */
@@ -76,6 +77,7 @@ conffile:       /* Empty is OK -- for simplicity here, we reject in daemon later
     | conffile mysql_server
     | conffile mysql_user
     | conffile mysql_pass
+    | conffile operator_key
     | conffile fdconf
     | conffile errors
     {
@@ -108,6 +110,12 @@ mysql_server: MYSQL_SERVER '=' QSTRING ';'
     }
     ;
 
+operator_key: OPERATOR_KEY '=' QSTRING ';'
+    {
+        hss_config_p->operator_key = $3;
+    }
+    ;
+
 fdconf: FDCONF '=' QSTRING ';'
     {
         hss_config_p->freediameter_config = $3;
diff --git a/openair-cn/OPENAIRHSS/utils/hss_scanner.l b/openair-cn/OPENAIRHSS/utils/hss_scanner.l
index 951fb5a8c9f9834567dbea389094d47ebaeb07d8..bca348528c6ae3738337c729c6bda55bc0071b34 100644
--- a/openair-cn/OPENAIRHSS/utils/hss_scanner.l
+++ b/openair-cn/OPENAIRHSS/utils/hss_scanner.l
@@ -113,6 +113,7 @@ qstring     \"[^\"\n]*\"
 (?i:"MYSQL_user")   { return MYSQL_USER; }
 (?i:"MYSQL_pass")   { return MYSQL_PASS; }
 (?i:"MYSQL_db")     { return MYSQL_DB; }
+(?i:"OPERATOR_key")     { return OPERATOR_KEY; }
 
     /* Valid single characters for yyparse */
 <*>[=,:;{}]     { return yytext[0]; }
diff --git a/openair-cn/S6A/freediameter/make_certs.sh b/openair-cn/S6A/freediameter/make_certs.sh
index 844695144db22c8a456b024ca37e2c0bd8a70af4..cf176940d3515730854fabeef7117aa5a614fb53 100755
--- a/openair-cn/S6A/freediameter/make_certs.sh
+++ b/openair-cn/S6A/freediameter/make_certs.sh
@@ -45,11 +45,11 @@ HOSTNAME=$(hostname -f)
 echo "Creating MME certificate for user '$HOSTNAME'.'$REALM'"
 
 # CA self certificate
-openssl req  -new -batch -x509 -days 3650 -nodes -newkey rsa:1024 -out cacert.pem -keyout cakey.pem -subj /CN=$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
+openssl req  -new -batch -x509 -days 3650 -nodes -newkey rsa:1024 -out mme.cacert.pem -keyout mme.cakey.pem -subj /CN=$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
 
-openssl genrsa -out user.key.pem 1024
-openssl req -new -batch -out user.csr.pem -key user.key.pem -subj /CN=$HOSTNAME.$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
-openssl ca -cert cacert.pem -keyfile cakey.pem -in user.csr.pem -out user.cert.pem -outdir . -batch
+openssl genrsa -out mme.key.pem 1024
+openssl req -new -batch -out mme.csr.pem -key mme.key.pem -subj /CN=$HOSTNAME.$REALM/C=FR/ST=PACA/L=Aix/O=Eurecom/OU=CM
+openssl ca -cert mme.cacert.pem -keyfile mme.cakey.pem -in mme.csr.pem -out mme.cert.pem -outdir . -batch
 
 if [ ! -d /usr/local/etc/freeDiameter ]
 then
@@ -57,7 +57,7 @@ then
     sudo mkdir /usr/local/etc/freeDiameter/
 fi
 
-sudo cp -uv user.key.pem user.cert.pem cacert.pem cakey.pem /usr/local/etc/freeDiameter/
+sudo cp -uv mme.key.pem mme.cert.pem mme.cacert.pem mme.cakey.pem /usr/local/etc/freeDiameter/
 
 # openssl genrsa -out ubuntu.key.pem 1024
 # openssl req -new -batch -x509 -out ubuntu.csr.pem -key ubuntu.key.pem -subj /CN=ubuntu.localdomain/C=FR/ST=BdR/L=Aix/O=fD/OU=Tests
diff --git a/openair-cn/S6A/s6a_peer.c b/openair-cn/S6A/s6a_peer.c
index ebc1a2075bcec965ecee87979619f9a85e7da1de..40e1e748f26eb30f7056fd1f3944d4925b6dbbfe 100644
--- a/openair-cn/S6A/s6a_peer.c
+++ b/openair-cn/S6A/s6a_peer.c
@@ -59,12 +59,12 @@ void s6a_peer_connected_cb(struct peer_info *info, void *arg)
 
         itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, message_p);
 
-
+#if ! defined(ENABLE_USE_GTPU_IN_KERNEL)
         /* Inform SGI that connection to HSS is established */
         message_p = itti_alloc_new_message(TASK_S6A, ACTIVATE_MESSAGE);
 
         itti_send_msg_to_task(TASK_FW_IP, INSTANCE_DEFAULT, message_p);
-
+#endif
     }
 
     /* For test */
diff --git a/openair-cn/SGW-LITE/sgw_lite_task.c b/openair-cn/SGW-LITE/sgw_lite_task.c
index 0eed638290e8d2ad8c0c7d03dfc5d1b1e7a88506..0d761be2cb61135f4fb25ed5512ce1b5a4baead4 100644
--- a/openair-cn/SGW-LITE/sgw_lite_task.c
+++ b/openair-cn/SGW-LITE/sgw_lite_task.c
@@ -136,13 +136,13 @@ int sgw_lite_init(char* config_file_name_pP)
     spgw_system("iptables -t filter -F", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("iptables -t raw -F", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("ip route flush cache", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
-    spgw_system("rmmod iptable_raw > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
+    spgw_system("rmmod iptable_raw    > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("rmmod iptable_mangle > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
-    spgw_system("rmmod iptable_nat > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
+    spgw_system("rmmod iptable_nat    > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("rmmod iptable_filter > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
-    spgw_system("rmmod ip_tables > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
+    spgw_system("rmmod ip_tables      > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("rmmod xt_state xt_mark xt_GTPUAH xt_GTPURH xt_tcpudp xt_connmark ipt_LOG ipt_MASQUERADE > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
-    spgw_system("rmmod x_tables > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
+    spgw_system("rmmod x_tables       > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("rmmod nf_conntrack_netlink nfnetlink nf_nat nf_conntrack_ipv4 nf_conntrack  > /dev/null 2>&1", SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("modprobe ip_tables", SPGW_ABORT_ON_ERROR, __FILE__, __LINE__);
     spgw_system("modprobe x_tables", SPGW_ABORT_ON_ERROR, __FILE__, __LINE__);
@@ -152,6 +152,7 @@ int sgw_lite_init(char* config_file_name_pP)
     spgw_system("sysctl -w net.ipv4.conf.all.log_martians=1",SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("sysctl -w net.ipv4.conf.all.route_localnet=1",SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
     spgw_system("sysctl -w net.ipv4.conf.all.rp_filter=0",SPGW_WARN_ON_ERROR, __FILE__, __LINE__);
+    spgw_system("sync",                    SPGW_ABORT_ON_ERROR, __FILE__, __LINE__);
 #endif
     spgw_config_init(config_file_name_pP, &spgw_config);
     pgw_lite_load_pool_ip_addresses();
diff --git a/openair-cn/SGW-LITE/spgw_config.c b/openair-cn/SGW-LITE/spgw_config.c
index e91ef45e84b82b0db32652e4b1a6ab6d08944809..4dbad599318f12f44d103605651c5d0bc9d7ba99 100755
--- a/openair-cn/SGW-LITE/spgw_config.c
+++ b/openair-cn/SGW-LITE/spgw_config.c
@@ -619,7 +619,6 @@ int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
                                   STAILQ_INSERT_TAIL(&config_pP->pgw_config.pgw_lite_ipv4_pool_list, ip4_ref, ipv4_entries);
                                   counter64 = counter64 - 1;
                               } while (counter64 > 0);
-
                               //---------------
                               if (config_pP->pgw_config.pgw_masquerade_SGI) {
                                   in_addr_var.s_addr = config_pP->pgw_config.ipv4.pgw_ipv4_address_for_SGI;
@@ -636,7 +635,6 @@ int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
                                       SPGW_APP_ERROR("Masquerade SGI\n");
                                   }
                               }
-
                           } else {
                               SPGW_APP_ERROR("CONFIG POOL ADDR IPV4: BAD MASQ: %s\n", atoken2);
                           }
diff --git a/openair-cn/UTILS/CONF/s6a.conf.in b/openair-cn/UTILS/CONF/s6a.conf.in
index 4fd08b600c19eba8617e8e37c26b0710164365d4..000544ad7538d9544ffb18de0b792606b56214b3 100644
--- a/openair-cn/UTILS/CONF/s6a.conf.in
+++ b/openair-cn/UTILS/CONF/s6a.conf.in
@@ -1,31 +1,55 @@
 # -------- Local ---------
 
 # Uncomment if the framework cannot resolv it.
-Identity = "@HOSTNAME@.pft";
-Realm = "pft";
+Identity = "@MME_FQDN@";
+Realm = "@REALM@";
 
 # TLS configuration (see previous section)
-TLS_Cred = "/usr/local/etc/freeDiameter/user.cert.pem",
-           "/usr/local/etc/freeDiameter/user.key.pem";
-TLS_CA   = "/usr/local/etc/freeDiameter/cacert.pem";
+TLS_Cred = "${FREEDIAMETER_PATH}/../etc/freeDiameter/mme.cert.pem",
+           "${FREEDIAMETER_PATH}/../etc/freeDiameter/mme.key.pem";
+TLS_CA   = "${FREEDIAMETER_PATH}/../etc/freeDiameter/mme.cacert.pem";
 
 # Disable use of TCP protocol (only listen and connect in SCTP)
 # Default : TCP enabled
-No_TCP;
-#No_SCTP;
+@TRANSPORT_option@;
+
+# This option is ignored if freeDiameter is compiled with DISABLE_SCTP option.
+# Prefer TCP instead of SCTP for establishing new connections.
+# This setting may be overwritten per peer in peer configuration blocs.
+# Default : SCTP is attempted first.
+@TRANSPORT_PREFER_TCP_option@;
+
+
 No_IPv6;
 
+# Overwrite the number of SCTP streams. This value should be kept low, 
+# especially if you are using TLS over SCTP, because it consumes a lot of 
+# resources in that case. See tickets 19 and 27 for some additional details on 
+# this.
 # Limit the number of SCTP streams
-SCTP_streams = 15;
+SCTP_streams = 3;
 
+
+# By default, freeDiameter acts as a Diameter Relay Agent by forwarding all 
+# messages it cannot handle locally. This parameter disables this behavior.
 NoRelay;
+
+
 TLS_old_method;
+
+
 AppServThreads = 1;
 
-#ListenOn = "192.168.57.100";
+# Specify the addresses on which to bind the listening server. This must be 
+# specified if the framework is unable to auto-detect these addresses, or if the
+# auto-detected values are incorrect. Note that the list of addresses is sent 
+# in CER or CEA message, so one should pay attention to this parameter if some 
+# adresses should be kept hidden. 
+@ListenOn@
+
+@DIAMETER_PORT@;
+@DIAMETER_SEC_PORT@;
 
-#Port = 3870;
-#SecPort = 3871;
 # -------- Extensions ---------
 
 # Uncomment (and create rtd.conf) to specify routing table for this peer.
@@ -62,5 +86,12 @@ LoadExtension = "dict_s6a.fdx";
 # with the peers listed here.
 # For only accepting incoming connections, see the acl_wl.fx extension.
 
-# ConnectPeer = "hss.test.fr" { ConnectTo = "192.168.56.101"; No_IPv6; No_TCP; Port = 3868; Realm = "test.fr"; };
-#ConnectPeer = "hss.pft" { ConnectTo = "192.168.14.17"; No_IPv6; Port = 3868; };
+# ConnectPeer
+# Declare a remote peer to which this peer must maintain a connection. 
+# In addition, this allows specifying non-default parameters for this peer only
+# (for example disable SCTP with this peer, or use RFC3588-flavour TLS). 
+# Note that by default, if a peer is not listed as a ConnectPeer entry, an 
+# incoming connection from this peer will be rejected. If you want to accept 
+# incoming connections from other peers, see the acl_wl.fdx? extension which 
+# allows exactly this. 
+@ConnectPeer@ = "@HSS_FQDN@" { ConnectTo = "@HSS_IP@"; No_IPv6; No_TLS ; port = 3868; Realm = "@REALM@"; };
diff --git a/openair-cn/UTILS/mcc_mnc_itu.c b/openair-cn/UTILS/mcc_mnc_itu.c
index d9727d2c0e1f55e6be1ee5ad33f3afea1022f1cd..42d0263a00e0a6d139f06cd84c786c66c523ab5d 100755
--- a/openair-cn/UTILS/mcc_mnc_itu.c
+++ b/openair-cn/UTILS/mcc_mnc_itu.c
@@ -38,6 +38,7 @@
 
 // From http://www.itu.int/pub/T-SP-E.212B-2014
 const mcc_mnc_list_t mcc_mnc_list[] = {
+        {001, "01"},
         {412, "01"},
         {412, "20"},
         {412, "40"},