diff --git a/common/include/tfe_stream.h b/common/include/tfe_stream.h
index 50c839d..e35ccca 100644
--- a/common/include/tfe_stream.h
+++ b/common/include/tfe_stream.h
@@ -68,8 +68,20 @@ enum tfe_stream_close_reason
 	REASON_ERROR
 };
 
+enum tfe_stream_info
+{
+	/* OFFSET IN BYTES, FROM BEGIN OF THE DIRECTION
+	 * TYPE: SIZE_T */
+	INFO_FROM_DOWNSTREAM_RX_OFFSET,
+	INFO_FROM_UPSTREAM_RX_OFFSET,
+};
+
 int tfe_stream_action_set_opt(const struct tfe_stream * stream, enum tfe_stream_action_opt type,
 	void * value, size_t size);
+
+int tfe_stream_info_get(const struct tfe_stream * stream, enum tfe_stream_info type,
+	void * value, size_t size);
+
 enum tfe_stream_opt_level
 {
 	STREAM_OPT_LEVEL_TCP,
diff --git a/platform/include/internal/platform.h b/platform/include/internal/platform.h
index 1eb696f..f7abbbd 100644
--- a/platform/include/internal/platform.h
+++ b/platform/include/internal/platform.h
@@ -16,7 +16,7 @@ struct tfe_thread_ctx
 	struct event_base * evbase;
 	struct evdns_base* dnsbase;
 	unsigned char running;
-	
+
 	unsigned int nr_modules;
 	const struct tfe_plugin * modules;
 };
@@ -48,7 +48,6 @@ struct tfe_conn_private
 	struct bufferevent * bev;
 	struct ev_token_bucket_cfg * ratelimit_bucket;
 	uint8_t on_writing;
-	size_t total_rx_bytes, total_tx_bytes;
 };
 
 enum tfe_stream_event_log_type
@@ -96,7 +95,6 @@ struct tfe_stream_private
 
 	size_t forward_bytes;
 	size_t drop_bytes;
-
 	size_t defer_bytes;
 	struct timeval defer_timeval;
 
@@ -140,6 +138,10 @@ struct tfe_stream_private
 	/* CONNECTION LOG */
 	char ssl_downstream_info_dump[TFE_STRING_MAX];
 	char ssl_upstream_info_dump[TFE_STRING_MAX];
+
+	/* OFFSET FOR LOG */
+	size_t downstream_rx_offset;
+	size_t upstream_rx_offset;
 };
 
 static inline void * __STREAM_LOGGER(struct tfe_stream_private * _stream)
diff --git a/platform/include/internal/proxy.h b/platform/include/internal/proxy.h
index 40d65db..d3dee51 100644
--- a/platform/include/internal/proxy.h
+++ b/platform/include/internal/proxy.h
@@ -20,6 +20,7 @@ enum TFE_STAT_FIELD
 	STAT_FD_INSTANT_CLOSE,
 	STAT_FD_DEFER_CLOSE_IN_QUEUE,
 	STAT_FD_DEFER_CLOSE_SUCCESS,
+
 	/* Stream */
 	STAT_STREAM_OPEN,
 	STAT_STREAM_CLS,
@@ -32,6 +33,11 @@ enum TFE_STAT_FIELD
 	/* Stream Protocol */
 	STAT_STREAM_TCP_PLAIN,
 	STAT_STREAM_TCP_SSL,
+
+	/* RX DATA */
+	STAT_STREAM_DOWN_RX_BYTES,
+	STAT_STREAM_UP_RX_BYTES,
+
 	TFE_STAT_MAX
 };
 
diff --git a/platform/src/proxy.cpp b/platform/src/proxy.cpp
index 7f9b136..0406ed6 100644
--- a/platform/src/proxy.cpp
+++ b/platform/src/proxy.cpp
@@ -234,7 +234,7 @@ void tfe_proxy_work_thread_create_ctx(struct tfe_proxy * proxy)
 	{
 		proxy->work_threads[i] = ALLOC(struct tfe_thread_ctx, 1);
 		proxy->work_threads[i]->thread_id = i;
-		proxy->work_threads[i]->evbase = event_base_new();	
+		proxy->work_threads[i]->evbase = event_base_new();
 	    proxy->work_threads[i]->dnsbase = evdns_base_new(proxy->work_threads[i]->evbase, EVDNS_BASE_INITIALIZE_NAMESERVERS);
 	}
 	return;
@@ -290,7 +290,7 @@ int tfe_proxy_config(struct tfe_proxy * proxy, const char * profile)
 	MESA_load_profile_int_def(profile, "tcp", "tcp_user_timeout", &proxy->tcp_options.tcp_user_timeout, -1);
 	MESA_load_profile_int_def(profile, "tcp", "tcp_ttl_upstream", &proxy->tcp_options.tcp_ttl_upstream, -1);
 	MESA_load_profile_int_def(profile, "tcp", "tcp_ttl_downstream", &proxy->tcp_options.tcp_ttl_downstream, -1);
-	
+
 	return 0;
 }
 
@@ -311,6 +311,8 @@ static const char * __str_stat_spec_map[] =
 		[STAT_STREAM_CLS_KILL] = "stm_kill",
 		[STAT_STREAM_TCP_PLAIN] = "plain",
 		[STAT_STREAM_TCP_SSL] = "SSL",
+		[STAT_STREAM_DOWN_RX_BYTES] = "dstm_bytes",
+		[STAT_STREAM_UP_RX_BYTES] = "ustm_bytes",
 		[TFE_STAT_MAX] = NULL
 	};
 
diff --git a/platform/src/tcp_stream.cpp b/platform/src/tcp_stream.cpp
index 86fb56c..a6bcd15 100644
--- a/platform/src/tcp_stream.cpp
+++ b/platform/src/tcp_stream.cpp
@@ -345,6 +345,49 @@ int tfe_stream_set_integer_opt(struct tfe_stream * stream, enum tfe_stream_opt_l
 {
 	return 1;
 }
+
+int tfe_stream_info_get(const struct tfe_stream * stream, enum tfe_stream_info type, void * value, size_t size)
+{
+#define __CHECK_PARAM(type)		do { if(sizeof(type) != size) return -EINVAL; } while(0)
+	struct tfe_stream_private * _stream = to_stream_private(stream);
+
+	switch (type)
+	{
+		case INFO_FROM_DOWNSTREAM_RX_OFFSET:
+			__CHECK_PARAM(_stream->downstream_rx_offset);
+			if(_stream->conn_downstream)
+			{
+				*((size_t *) value) = _stream->downstream_rx_offset;
+				return sizeof(_stream->downstream_rx_offset);
+			}
+			else
+			{
+				return -ENOTCONN;
+			}
+			break;
+
+		case INFO_FROM_UPSTREAM_RX_OFFSET:
+			__CHECK_PARAM(_stream->upstream_rx_offset);
+			if(_stream->conn_upstream)
+			{
+				*((size_t *) value) = _stream->upstream_rx_offset;
+				return sizeof(_stream->upstream_rx_offset);
+			}
+			else
+			{
+				return -ENOTCONN;
+			}
+
+			break;
+
+		default: assert(0);
+			return -EINVAL;
+	}
+
+#undef __CHECK_PARAM
+	return 0;
+}
+
 /* ====================================================================================================================
  * CONNECTION STRUCTURE AND OPERATION FUCTIONS
  * ===================================================================================================================*/
@@ -527,6 +570,7 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
 {
 	struct tfe_stream_private * _stream = (struct tfe_stream_private *) arg;
 	enum tfe_conn_dir dir = __bev_dir(_stream, bev);
+
 	struct tfe_conn_private * this_conn = __this_conn(_stream, dir);
 	struct tfe_conn_private * peer_conn = __peer_conn(_stream, dir);
 
@@ -534,7 +578,6 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
 	 * This connection will be destoryed in __event_cb */
 	struct evbuffer * inbuf = bufferevent_get_input(bev);
 	size_t contigous_len = evbuffer_get_length(inbuf);
-	this_conn->total_rx_bytes+=contigous_len;
 	if (peer_conn == NULL)
 	{
 		evbuffer_drain(inbuf, evbuffer_get_length(inbuf));
@@ -548,6 +591,7 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
 	enum tfe_stream_action action_final = ACTION_FORWARD_DATA;
 
 	size_t drain_size = 0;
+	size_t rx_offset_increase = 0;
 	unsigned char * contiguous_data = evbuffer_pullup(inbuf, contigous_len);
 
 	_stream->defer_bytes = 0;
@@ -588,13 +632,14 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
 			if (_stream->forward_bytes > 0)
 			{
 				evbuffer_remove_buffer(inbuf, outbuf, _stream->forward_bytes);
-				peer_conn->total_tx_bytes+=_stream->forward_bytes;
+				rx_offset_increase += _stream->forward_bytes;
 			}
 			else
 			{
 				evbuffer_add_buffer(outbuf, inbuf);
-				peer_conn->total_tx_bytes+=contigous_len;
+				rx_offset_increase += contigous_len;
 			}
+
 			break;
 
 		case ACTION_DROP_DATA:
@@ -606,7 +651,9 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
 			{
 				drain_size = evbuffer_get_length(inbuf);
 			}
+
 			evbuffer_drain(inbuf, drain_size);
+			rx_offset_increase += drain_size;
 			break;
 
 		case ACTION_DEFER_DATA:
@@ -619,6 +666,17 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
 			break;
 	}
 
+	if (dir == CONN_DIR_DOWNSTREAM)
+	{
+		TFE_PROXY_STAT_INCREASE(STAT_STREAM_DOWN_RX_BYTES, rx_offset_increase);
+		_stream->downstream_rx_offset += rx_offset_increase;
+	}
+	else
+	{
+		TFE_PROXY_STAT_INCREASE(STAT_STREAM_UP_RX_BYTES, rx_offset_increase);
+		_stream->upstream_rx_offset += rx_offset_increase;
+	}
+
 	if(_stream->need_to_be_kill)
 	{
 		const static struct linger sl{.l_onoff = 1, .l_linger = 0};
@@ -708,6 +766,7 @@ static void __stream_bev_eventcb(struct bufferevent * bev, short events, void *
 	enum tfe_conn_dir conn_dir = __bev_dir(_stream, bev);
 	const char * str_conn_dir = __str_dir(conn_dir);
 	enum tfe_conn_dir peer_conn_dir{};
+	size_t rx_offset = 0;
 
 	if (__bev_dir(_stream, bev) == CONN_DIR_UPSTREAM)
 	{
@@ -717,6 +776,7 @@ static void __stream_bev_eventcb(struct bufferevent * bev, short events, void *
 		ref_peer_ssl_stream = &_stream->ssl_downstream;
 		ref_this_write_ctx = &_stream->w_ctx_upstream;
 		peer_conn_dir = CONN_DIR_DOWNSTREAM;
+		rx_offset = _stream->upstream_rx_offset;
 	}
 
 	if (__bev_dir(_stream, bev) == CONN_DIR_DOWNSTREAM)
@@ -727,6 +787,7 @@ static void __stream_bev_eventcb(struct bufferevent * bev, short events, void *
 		ref_peer_ssl_stream = &_stream->ssl_upstream;
 		ref_this_write_ctx = &_stream->w_ctx_downstream;
 		peer_conn_dir = CONN_DIR_UPSTREAM;
+		rx_offset = _stream->downstream_rx_offset;
 	}
 
 	if (events & BEV_EVENT_ERROR || events & BEV_EVENT_EOF)
@@ -736,24 +797,33 @@ static void __stream_bev_eventcb(struct bufferevent * bev, short events, void *
 			__stream_bev_readcb(bev, arg);
 		}
 
-		if(events & BEV_EVENT_ERROR)
+		if (events & BEV_EVENT_ERROR)
 		{
-			if(_stream->session_type==STREAM_PROTO_SSL)
+			if (_stream->session_type == STREAM_PROTO_SSL)
 			{
 				ssl_stream_log_error(bev, __bev_dir(_stream, bev), _stream->ssl_mgr);
 			}
-			else if(errno)
+			else if (errno)
 			{
 				TFE_LOG_INFO(g_default_logger, "%s %s connection error, errno = %d, %s",
 					_stream->str_stream_addr, str_conn_dir, errno, strerror(errno));
 			}
 		}
-		else if(events & BEV_EVENT_EOF && (*ref_this_conn)->total_rx_bytes==0 && _stream->session_type==STREAM_PROTO_SSL)
+		else if (events & BEV_EVENT_EOF && rx_offset == 0 && _stream->session_type == STREAM_PROTO_SSL)
 		{
 			ssl_stream_process_zero_eof(*ref_this_ssl_stream, g_default_proxy->ssl_mgr_handler);
 		}
-		if(events & BEV_EVENT_ERROR) __stream_log_event(_stream, EVENT_LOG_CLOSE_BY_FD_ERROR, conn_dir, 0, NULL);
-		if(events & BEV_EVENT_EOF) __stream_log_event(_stream, EVENT_LOG_CLOSE_BY_FD_EOF, conn_dir, 0, NULL);
+
+		if (events & BEV_EVENT_ERROR)
+		{
+			__stream_log_event(_stream, EVENT_LOG_CLOSE_BY_FD_ERROR, conn_dir, 0, NULL);
+		}
+
+		if (events & BEV_EVENT_EOF)
+		{
+			__stream_log_event(_stream, EVENT_LOG_CLOSE_BY_FD_EOF, conn_dir, 0, NULL);
+		}
+
 		goto __close_connection;
 	}
 
diff --git a/plugin/business/traffic-mirror/src/ethdev.cpp b/plugin/business/traffic-mirror/src/ethdev.cpp
index b67e36b..ec1b4c0 100644
--- a/plugin/business/traffic-mirror/src/ethdev.cpp
+++ b/plugin/business/traffic-mirror/src/ethdev.cpp
@@ -49,6 +49,7 @@ static int mr4_ethdev_send_finish(struct traffic_mirror_ethdev * ethdev, unsigne
         return -1;
     }
 
+    detail_mr4->sendbuf[tid] = NULL;
     return 0;
 }