Add ZUG consensus protocol dissector.

Signed-off-by: Toni Uhlig <[email protected]>
ntop · May 25, 2024 · ef864c7 · ef864c7
1 parent d1a59c0
commit ef864c7
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diff --git a/doc/protocols.rst b/doc/protocols.rst
@@ -829,3 +829,12 @@ References: `Main site: <https://www.threads.net>`_
 Audio/video calls made using the Viber app.
 
 References: `Wikipedia <https://en.wikipedia.org/wiki/Viber>`_
+
+
+.. _Proto 415:
+
+`NDPI_PROTOCOL_ZUG`
+=========================
+The ZUG protocol is part of the Casper 2.0 consensus model.
+
+References: `Main Site <https://casperlabs.io>`_ and `Blog Post <https://casperlabs.io/blog/beyond-eth-30-theres-casper-20>`_
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
@@ -915,6 +915,7 @@ void init_bfcp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int
 void init_iqiyi_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_egd_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_cod_mobile_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_zug_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
@@ -443,6 +443,7 @@ typedef enum {
   NDPI_PROTOCOL_MASTODON              = 412,
   NDPI_PROTOCOL_THREADS               = 413,
   NDPI_PROTOCOL_VIBER_VOIP            = 414,
+  NDPI_PROTOCOL_ZUG                   = 415,
 
 #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
@@ -2270,6 +2270,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "CoD_Mobile", NDPI_PROTOCOL_CATEGORY_GAME,
  			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, 0 /* encrypted */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_ZUG,
+			  "ZUG", NDPI_PROTOCOL_CATEGORY_CRYPTO_CURRENCY,
+			  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"
@@ -6179,6 +6183,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* Call of Duty: Mobile */
   init_cod_mobile_dissector(ndpi_str, &a);
 
+  /* ZUG */
+  init_zug_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif

diff --git a/src/lib/protocols/zug.c b/src/lib/protocols/zug.c
@@ -0,0 +1,73 @@
+/*
+ * zug.c
+ *
+ * Copyright (C) 2024 - ntop.org
+ *
+ * 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_ZUG
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_zug_add_connection(struct ndpi_detection_module_struct * const ndpi_struct,
+                                        struct ndpi_flow_struct * const flow)
+{
+  NDPI_LOG_INFO(ndpi_struct, "found ZUG Consensus Protocol (ZUG)\n");
+  ndpi_set_detected_protocol(ndpi_struct, flow,
+                             NDPI_PROTOCOL_ZUG,
+                             NDPI_PROTOCOL_UNKNOWN,
+                             NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_zug(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 ZUG Consensus Protocol (ZUG)\n");
+
+  if (packet->payload_packet_len < 5)
+  {
+    NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+    return;
+  }
+
+  if (ntohl(get_u_int32_t(packet->payload, 0)) == 0x007a5547 /* "\x00ZUG" */ &&
+      packet->payload[4] == 0x10)
+  {
+    ndpi_int_zug_add_connection(ndpi_struct, flow);
+    return;
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_zug_dissector(struct ndpi_detection_module_struct *ndpi_struct,
+                        u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("ZUG", ndpi_struct, *id,
+				      NDPI_PROTOCOL_ZUG,
+				      ndpi_search_zug,
+				      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
+				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+				      ADD_TO_DETECTION_BITMASK);
+
+  *id += 1;
+}
+
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: 511 (6.16 diss/flow)
+Num dissector calls: 512 (6.17 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/lru_ipv6_caches.pcapng.out b/tests/cfgs/caches_global/result/lru_ipv6_caches.pcapng.out
@@ -2,7 +2,7 @@ DPI Packets (TCP):	9	(3.00 pkts/flow)
 DPI Packets (UDP):	35	(3.89 pkts/flow)
 Confidence DPI (cache)      : 5 (flows)
 Confidence DPI              : 7 (flows)
-Num dissector calls: 589 (49.08 diss/flow)
+Num dissector calls: 591 (49.25 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 30/5/3 (insert/search/found)
 LRU cache stun:       6/0/0 (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: 511 (6.16 diss/flow)
+Num dissector calls: 512 (6.17 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/zoom_p2p.pcapng.out b/tests/cfgs/caches_global/result/zoom_p2p.pcapng.out
@@ -4,7 +4,7 @@ DPI Packets (UDP):	38	(3.80 pkts/flow)
 DPI Packets (other):	2	(1.00 pkts/flow)
 Confidence DPI (partial cache): 4 (flows)
 Confidence DPI              : 8 (flows)
-Num dissector calls: 776 (64.67 diss/flow)
+Num dissector calls: 780 (65.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/12/0 (insert/search/found)
 LRU cache stun:       8/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/pcap/zug.pcap b/tests/cfgs/default/pcap/zug.pcap
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: 4923 (24.99 diss/flow)
+Num dissector calls: 4937 (25.06 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/4in4tunnel.pcap.out b/tests/cfgs/default/result/4in4tunnel.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	5	(5.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
-Num dissector calls: 187 (187.00 diss/flow)
+Num dissector calls: 188 (188.00 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/6in6tunnel.pcap.out b/tests/cfgs/default/result/6in6tunnel.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	2	(2.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
-Num dissector calls: 150 (150.00 diss/flow)
+Num dissector calls: 151 (151.00 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/EAQ.pcap.out b/tests/cfgs/default/result/EAQ.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	12	(6.00 pkts/flow)
 DPI Packets (UDP):	116	(4.00 pkts/flow)
 Confidence DPI              : 31 (flows)
-Num dissector calls: 4981 (160.68 diss/flow)
+Num dissector calls: 5010 (161.61 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/FAX-Call-t38-CA-TDM-SIP-FB-1.pcap.out b/tests/cfgs/default/result/FAX-Call-t38-CA-TDM-SIP-FB-1.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	7	(1.40 pkts/flow)
 Confidence DPI              : 5 (flows)
-Num dissector calls: 159 (31.80 diss/flow)
+Num dissector calls: 160 (32.00 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_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: 1205 (60.25 diss/flow)
+Num dissector calls: 1207 (60.35 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/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: 809 (11.72 diss/flow)
+Num dissector calls: 810 (11.74 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: 326 (163.00 diss/flow)
+Num dissector calls: 327 (163.50 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/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: 466 (155.33 diss/flow)
+Num dissector calls: 467 (155.67 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/collectd.pcap.out b/tests/cfgs/default/result/collectd.pcap.out
@@ -3,7 +3,7 @@ Guessed flow protos:	3
 DPI Packets (UDP):	13	(1.62 pkts/flow)
 Confidence Match by port    : 3 (flows)
 Confidence DPI              : 5 (flows)
-Num dissector calls: 470 (58.75 diss/flow)
+Num dissector calls: 473 (59.12 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/custom_rules_ipv6.pcapng.out b/tests/cfgs/default/result/custom_rules_ipv6.pcapng.out
@@ -1,7 +1,7 @@
 DPI Packets (UDP):	7	(1.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
 Confidence Match by custom rule: 6 (flows)
-Num dissector calls: 135 (19.29 diss/flow)
+Num dissector calls: 136 (19.43 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/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: 91.421/TLS.CustomProtocolA][IP: 421/CustomProtocolA][Encrypted][Confidence: Match by custom rule][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: 91.422/TLS.CustomProtocolA][IP: 422/CustomProtocolA][Encrypted][Confidence: Match by custom rule][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][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: 422/CustomProtocolB][IP: 422/CustomProtocolB][ClearText][Confidence: Match by custom rule][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: 423/CustomProtocolB][IP: 423/CustomProtocolB][ClearText][Confidence: Match by custom rule][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/dhcp-fuzz.pcapng.out b/tests/cfgs/default/result/dhcp-fuzz.pcapng.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (UDP):	1	(1.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 140 (140.00 diss/flow)
+Num dissector calls: 141 (141.00 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/discord.pcap.out b/tests/cfgs/default/result/discord.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	5	(5.00 pkts/flow)
 DPI Packets (UDP):	60	(1.82 pkts/flow)
 Confidence DPI              : 34 (flows)
-Num dissector calls: 4639 (136.44 diss/flow)
+Num dissector calls: 4666 (137.24 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/discord_mid_flow.pcap.out b/tests/cfgs/default/result/discord_mid_flow.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	3	(3.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 166 (166.00 diss/flow)
+Num dissector calls: 167 (167.00 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/dnscrypt-v1-and-resolver-pings.pcap.out b/tests/cfgs/default/result/dnscrypt-v1-and-resolver-pings.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	256	(1.04 pkts/flow)
 Confidence DPI              : 245 (flows)
-Num dissector calls: 19199 (78.36 diss/flow)
+Num dissector calls: 19210 (78.41 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/513/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/dnscrypt-v2.pcap.out b/tests/cfgs/default/result/dnscrypt-v2.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	6	(2.00 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 447 (149.00 diss/flow)
+Num dissector calls: 450 (150.00 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/dnscrypt_skype_false_positive.pcapng.out b/tests/cfgs/default/result/dnscrypt_skype_false_positive.pcapng.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	2	(2.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 149 (149.00 diss/flow)
+Num dissector calls: 150 (150.00 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/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: 329 (164.50 diss/flow)
+Num dissector calls: 330 (165.00 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/epicgames.pcapng.out b/tests/cfgs/default/result/epicgames.pcapng.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	12	(3.00 pkts/flow)
 Confidence DPI              : 4 (flows)
-Num dissector calls: 678 (169.50 diss/flow)
+Num dissector calls: 682 (170.50 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/false_positives.pcapng.out b/tests/cfgs/default/result/false_positives.pcapng.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	12	(3.00 pkts/flow)
 Confidence DPI              : 4 (flows)
-Num dissector calls: 622 (155.50 diss/flow)
+Num dissector calls: 626 (156.50 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/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: 7570 (30.16 diss/flow)
+Num dissector calls: 7608 (30.31 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-2020-02-16-11740.pcap.out b/tests/cfgs/default/result/fuzz-2020-02-16-11740.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (other):	7	(1.00 pkts/flow)
 Confidence Unknown          : 19 (flows)
 Confidence Match by port    : 3 (flows)
 Confidence DPI              : 55 (flows)
-Num dissector calls: 2301 (29.88 diss/flow)
+Num dissector calls: 2317 (30.09 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/66/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/gnutella.pcap.out b/tests/cfgs/default/result/gnutella.pcap.out
@@ -6,7 +6,7 @@ DPI Packets (other):	10	(1.00 pkts/flow)
 Confidence Unknown          : 389 (flows)
 Confidence Match by port    : 1 (flows)
 Confidence DPI              : 370 (flows)
-Num dissector calls: 50031 (65.83 diss/flow)
+Num dissector calls: 50340 (66.24 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/1170/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/gtp_false_positive.pcapng.out b/tests/cfgs/default/result/gtp_false_positive.pcapng.out
@@ -3,7 +3,7 @@ Guessed flow protos:	2
 DPI Packets (UDP):	7	(2.33 pkts/flow)
 Confidence Unknown          : 1 (flows)
 Confidence Match by port    : 2 (flows)
-Num dissector calls: 473 (157.67 diss/flow)
+Num dissector calls: 476 (158.67 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/http_ipv6.pcap.out b/tests/cfgs/default/result/http_ipv6.pcap.out
@@ -4,7 +4,7 @@ DPI Packets (TCP):	77	(5.92 pkts/flow)
 DPI Packets (UDP):	4	(2.00 pkts/flow)
 Confidence Match by port    : 7 (flows)
 Confidence DPI              : 8 (flows)
-Num dissector calls: 165 (11.00 diss/flow)
+Num dissector calls: 166 (11.07 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/21/0 (insert/search/found)
 LRU cache stun:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/imo.pcap.out b/tests/cfgs/default/result/imo.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (UDP):	7	(3.50 pkts/flow)
 Confidence DPI              : 2 (flows)
-Num dissector calls: 334 (167.00 diss/flow)
+Num dissector calls: 336 (168.00 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)