Add Lustre protocol detection support

ntop · Sep 3, 2024 · eb482fa · eb482fa
1 parent bf93f77
commit eb482fa
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diff --git a/doc/protocols.rst b/doc/protocols.rst
@@ -920,3 +920,12 @@ The Train Real Time Data Protocol (TRDP) is a UDP/TCP-based communication protoc
 It is standardized by the IEC under IEC 61375-2-3 and is not related to the Remote Desktop Protocol (RDP).
 
 References: `Protocol Specs: <https://www.typhoon-hil.com/documentation/typhoon-hil-software-manual/References/iec_61375_trdp_protocol.html>`_
+
+
+.. _Proto 425:
+
+`NDPI_PROTOCOL_LUSTRE`
+======================
+Lustre is a high-performance, parallel distributed file system designed for large-scale computing environments. It is widely used in supercomputing and enterprise storage systems due to its ability to handle massive amounts of data and provide high-speed I/O operations across numerous nodes.
+
+References: `Main site: <https://www.lustre.org/>`_
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
@@ -939,6 +939,7 @@ void init_openwire_dissector(struct ndpi_detection_module_struct *ndpi_struct, u
 void init_cnp_ip_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_atg_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_trdp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_lustre_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 
 #endif
 

diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
@@ -453,6 +453,7 @@ typedef enum {
   NDPI_PROTOCOL_CNP_IP                = 422,
   NDPI_PROTOCOL_ATG                   = 423,
   NDPI_PROTOCOL_TRDP                  = 424,
+  NDPI_PROTOCOL_LUSTRE                = 425,
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
@@ -2340,6 +2340,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "TRDP", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
 			  ndpi_build_default_ports(ports_a, 17225, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 17224, 17225, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_LUSTRE,
+			  "Lustre", NDPI_PROTOCOL_CATEGORY_DATA_TRANSFER,
+			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
+			  ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main.c"
@@ -6304,6 +6308,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* Train Real Time Data Protocol */
   init_trdp_dissector(ndpi_str, &a);
 
+  /* Lustre */
+  init_lustre_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif

diff --git a/src/lib/protocols/lustre.c b/src/lib/protocols/lustre.c
@@ -0,0 +1,89 @@
+/*
+ * lustre.c
+ *
+ * Lustre file system
+ * 
+ * Copyright (C) 2024 - ntop.org
+ * Copyright (C) 2024 - V.G <[email protected]>
+ *
+ * This file is part of nDPI, an open source deep packet inspection
+ * library based on the OpenDPI and PACE technology by ipoque GmbH
+ *
+ * nDPI is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * nDPI is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with nDPI.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "ndpi_protocol_ids.h"
+
+#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_LUSTRE
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_lustre_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+                                           struct ndpi_flow_struct *flow) 
+{
+  NDPI_LOG_INFO(ndpi_struct, "found Lustre\n");
+  ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_LUSTRE, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_lustre(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+
+  NDPI_LOG_DBG(ndpi_struct, "search Lustre\n");
+
+  u_int32_t lnd_dst_address = 0;
+
+  if (packet->payload_packet_len > 15) {
+    u_int32_t lnet_magic = le32toh(get_u_int32_t(packet->payload, 0));
+    lnd_dst_address = le32toh(get_u_int32_t(packet->payload, 8));
+
+    if ((lnet_magic == 0x45726963 || lnet_magic == 0xacce7100) && lnd_dst_address == ntohl(packet->iph->daddr))
+    {
+      ndpi_int_lustre_add_connection(ndpi_struct, flow);
+      return;
+    }
+  }
+
+  /*
+   * Mid-stream detection
+   */
+
+  if (packet->payload_packet_len > 95 && le32toh(get_u_int32_t(packet->payload, 0)) == 0xC1)
+  {
+    lnd_dst_address = le32toh(get_u_int32_t(packet->payload, 24));
+    u_int32_t lnet_payload_len = le32toh(get_u_int32_t(packet->payload, 52));
+
+    if (lnd_dst_address == ntohl(packet->iph->daddr) &&
+        lnet_payload_len == (u_int32_t)(packet->payload_packet_len-96))
+    {
+      ndpi_int_lustre_add_connection(ndpi_struct, flow);
+      return;
+    }
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_lustre_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("Lustre", ndpi_struct, *id,
+				      NDPI_PROTOCOL_LUSTRE,
+				      ndpi_search_lustre,
+				      NDPI_SELECTION_BITMASK_PROTOCOL_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
+				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+				      ADD_TO_DETECTION_BITMASK);
+  *id += 1;
+}
diff --git a/tests/cfgs/caches_cfg/result/ookla.pcap.out b/tests/cfgs/caches_cfg/result/ookla.pcap.out
@@ -3,7 +3,7 @@ Guessed flow protos:	1
 DPI Packets (TCP):	40	(6.67 pkts/flow)
 Confidence Match by port    : 1 (flows)
 Confidence DPI              : 5 (flows)
-Num dissector calls: 583 (97.17 diss/flow)
+Num dissector calls: 586 (97.67 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/caches_cfg/result/teams.pcap.out b/tests/cfgs/caches_cfg/result/teams.pcap.out
@@ -7,7 +7,7 @@ Confidence Unknown          : 1 (flows)
 Confidence Match by port    : 1 (flows)
 Confidence DPI (partial)    : 1 (flows)
 Confidence DPI              : 80 (flows)
-Num dissector calls: 521 (6.28 diss/flow)
+Num dissector calls: 522 (6.29 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache stun:       30/0/0 (insert/search/found)

diff --git a/tests/cfgs/caches_global/result/ookla.pcap.out b/tests/cfgs/caches_global/result/ookla.pcap.out
@@ -4,7 +4,7 @@ DPI Packets (TCP):	40	(6.67 pkts/flow)
 Confidence DPI (partial cache): 1 (flows)
 Confidence DPI              : 4 (flows)
 Confidence DPI (aggressive) : 1 (flows)
-Num dissector calls: 583 (97.17 diss/flow)
+Num dissector calls: 586 (97.67 diss/flow)
 LRU cache ookla:      4/2/2 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/caches_global/result/teams.pcap.out b/tests/cfgs/caches_global/result/teams.pcap.out
@@ -7,7 +7,7 @@ Confidence Unknown          : 1 (flows)
 Confidence Match by port    : 1 (flows)
 Confidence DPI (partial)    : 5 (flows)
 Confidence DPI              : 76 (flows)
-Num dissector calls: 521 (6.28 diss/flow)
+Num dissector calls: 522 (6.29 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache stun:       30/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/pcap/lustre.pcapng b/tests/cfgs/default/pcap/lustre.pcapng
diff --git a/tests/cfgs/default/result/1kxun.pcap.out b/tests/cfgs/default/result/1kxun.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	120	(1.21 pkts/flow)
 Confidence Unknown          : 14 (flows)
 Confidence Match by port    : 6 (flows)
 Confidence DPI              : 177 (flows)
-Num dissector calls: 5008 (25.42 diss/flow)
+Num dissector calls: 5011 (25.44 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/60/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/443-chrome.pcap.out b/tests/cfgs/default/result/443-chrome.pcap.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	1	(1.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 154 (154.00 diss/flow)
+Num dissector calls: 155 (155.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/443-opvn.pcap.out b/tests/cfgs/default/result/443-opvn.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	6	(6.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 155 (155.00 diss/flow)
+Num dissector calls: 156 (156.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/KakaoTalk_chat.pcap.out b/tests/cfgs/default/result/KakaoTalk_chat.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	36	(2.00 pkts/flow)
 DPI Packets (other):	1	(1.00 pkts/flow)
 Confidence Match by port    : 5 (flows)
 Confidence DPI              : 33 (flows)
-Num dissector calls: 559 (14.71 diss/flow)
+Num dissector calls: 561 (14.76 diss/flow)
 LRU cache ookla:      0/1/0 (insert/search/found)
 LRU cache bittorrent: 0/15/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/KakaoTalk_talk.pcap.out b/tests/cfgs/default/result/KakaoTalk_talk.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	10	(2.00 pkts/flow)
 Confidence Match by port    : 8 (flows)
 Confidence DPI              : 11 (flows)
 Confidence Match by IP      : 1 (flows)
-Num dissector calls: 1235 (61.75 diss/flow)
+Num dissector calls: 1239 (61.95 diss/flow)
 LRU cache ookla:      0/2/0 (insert/search/found)
 LRU cache bittorrent: 0/27/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/Oscar.pcap.out b/tests/cfgs/default/result/Oscar.pcap.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	21	(21.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 260 (260.00 diss/flow)
+Num dissector calls: 261 (261.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/alexa-app.pcapng.out b/tests/cfgs/default/result/alexa-app.pcapng.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	64	(1.94 pkts/flow)
 DPI Packets (other):	6	(1.00 pkts/flow)
 Confidence Match by port    : 14 (flows)
 Confidence DPI              : 146 (flows)
-Num dissector calls: 568 (3.55 diss/flow)
+Num dissector calls: 569 (3.56 diss/flow)
 LRU cache ookla:      0/5/0 (insert/search/found)
 LRU cache bittorrent: 0/42/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/amqp.pcap.out b/tests/cfgs/default/result/amqp.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	9	(3.00 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 382 (127.33 diss/flow)
+Num dissector calls: 383 (127.67 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/anyconnect-vpn.pcap.out b/tests/cfgs/default/result/anyconnect-vpn.pcap.out
@@ -6,7 +6,7 @@ DPI Packets (other):	10	(1.00 pkts/flow)
 Confidence Unknown          : 2 (flows)
 Confidence Match by port    : 6 (flows)
 Confidence DPI              : 61 (flows)
-Num dissector calls: 818 (11.86 diss/flow)
+Num dissector calls: 819 (11.87 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/24/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/bfcp.pcapng.out b/tests/cfgs/default/result/bfcp.pcapng.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	6	(6.00 pkts/flow)
 DPI Packets (UDP):	2	(2.00 pkts/flow)
 Confidence DPI              : 2 (flows)
-Num dissector calls: 336 (168.00 diss/flow)
+Num dissector calls: 337 (168.50 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/bittorrent_tcp_miss.pcapng.out b/tests/cfgs/default/result/bittorrent_tcp_miss.pcapng.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	10	(10.00 pkts/flow)
 Confidence DPI (cache)      : 1 (flows)
-Num dissector calls: 244 (244.00 diss/flow)
+Num dissector calls: 245 (245.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 10/1/1 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/cassandra.pcap.out b/tests/cfgs/default/result/cassandra.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	16	(5.33 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 311 (103.67 diss/flow)
+Num dissector calls: 313 (104.33 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/cloudflare-warp.pcap.out b/tests/cfgs/default/result/cloudflare-warp.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	1	(1.00 pkts/flow)
 Confidence Match by port    : 2 (flows)
 Confidence DPI              : 6 (flows)
 Confidence Match by IP      : 1 (flows)
-Num dissector calls: 351 (39.00 diss/flow)
+Num dissector calls: 352 (39.11 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/codm.pcap.out b/tests/cfgs/default/result/codm.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	7	(7.00 pkts/flow)
 DPI Packets (UDP):	5	(2.50 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 476 (158.67 diss/flow)
+Num dissector calls: 477 (159.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/custom_rules_same-ip_multiple_ports.pcapng.out b/tests/cfgs/default/result/custom_rules_same-ip_multiple_ports.pcapng.out
@@ -26,6 +26,6 @@ CustomProtocolC	3	222	1
 
 Acceptable                       8 592           3            
 
-	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.431/TLS.CustomProtocolA][IP: 431/CustomProtocolA][Encrypted][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Web/5][3 pkts/222 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][3.05 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.432/TLS.CustomProtocolA][IP: 432/CustomProtocolA][Encrypted][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Web/5][3 pkts/222 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][3.05 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	2	TCP 192.168.1.245:58288 -> 3.3.3.3:446 [proto: 800/CustomProtocolC][IP: 800/CustomProtocolC][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][3 pkts/222 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][3.04 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	3	TCP 192.168.1.245:59682 -> 3.3.3.3:444 [proto: 432/CustomProtocolB][IP: 432/CustomProtocolB][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][2 pkts/148 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][1.02 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	3	TCP 192.168.1.245:59682 -> 3.3.3.3:444 [proto: 433/CustomProtocolB][IP: 433/CustomProtocolB][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][2 pkts/148 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][1.02 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/elf.pcap.out b/tests/cfgs/default/result/elf.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	10	(10.00 pkts/flow)
 DPI Packets (UDP):	2	(2.00 pkts/flow)
 Confidence Unknown          : 2 (flows)
-Num dissector calls: 339 (169.50 diss/flow)
+Num dissector calls: 340 (170.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/6/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/emotet.pcap.out b/tests/cfgs/default/result/emotet.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	48	(8.00 pkts/flow)
 Confidence DPI              : 6 (flows)
-Num dissector calls: 226 (37.67 diss/flow)
+Num dissector calls: 227 (37.83 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fastcgi.pcap.out b/tests/cfgs/default/result/fastcgi.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	6	(6.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 176 (176.00 diss/flow)
+Num dissector calls: 177 (177.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/ftp-start-tls.pcap.out b/tests/cfgs/default/result/ftp-start-tls.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	17	(17.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 179 (179.00 diss/flow)
+Num dissector calls: 180 (180.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/ftp.pcap.out b/tests/cfgs/default/result/ftp.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	39	(13.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
 Confidence DPI              : 2 (flows)
-Num dissector calls: 530 (176.67 diss/flow)
+Num dissector calls: 532 (177.33 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fuzz-2006-06-26-2594.pcap.out b/tests/cfgs/default/result/fuzz-2006-06-26-2594.pcap.out
@@ -6,7 +6,7 @@ DPI Packets (other):	5	(1.00 pkts/flow)
 Confidence Unknown          : 34 (flows)
 Confidence Match by port    : 28 (flows)
 Confidence DPI              : 189 (flows)
-Num dissector calls: 7825 (31.18 diss/flow)
+Num dissector calls: 7838 (31.23 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/192/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fuzz-2006-09-29-28586.pcap.out b/tests/cfgs/default/result/fuzz-2006-09-29-28586.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (other):	1	(1.00 pkts/flow)
 Confidence Unknown          : 3 (flows)
 Confidence Match by port    : 26 (flows)
 Confidence DPI              : 11 (flows)
-Num dissector calls: 1165 (29.12 diss/flow)
+Num dissector calls: 1171 (29.27 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/87/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/gaijin_mobile_mixed.pcap.out b/tests/cfgs/default/result/gaijin_mobile_mixed.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	13	(6.50 pkts/flow)
 DPI Packets (UDP):	1	(1.00 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 157 (52.33 diss/flow)
+Num dissector calls: 158 (52.67 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/google_ssl.pcap.out b/tests/cfgs/default/result/google_ssl.pcap.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	24	(24.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 206 (206.00 diss/flow)
+Num dissector calls: 207 (207.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/http_guessed_host_and_guessed.pcapng.out b/tests/cfgs/default/result/http_guessed_host_and_guessed.pcapng.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	1	(1.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 154 (154.00 diss/flow)
+Num dissector calls: 155 (155.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)