Add IEC62056 (DLMS/COSEM) protocol dissector (#2229)

* Add IEC62056 (DLMS/COSEM) protocol dissector * Fix detection on big endian architectures * Update protocols.rst * Add ndpi_crc16_x25 to fuzz/fuzz_alg_crc32_md5.c * Update pcap sample * Remove empty .out file * iec62056: add some documentation --------- Co-authored-by: Nardi Ivan <[email protected]>
ntop · Jan 2, 2024 · 0180c1f · 0180c1f
1 parent 3c7ed34
commit 0180c1f
Show file tree

Hide file tree

Showing 158 changed files with 341 additions and 206 deletions.
diff --git a/doc/protocols.rst b/doc/protocols.rst
diff --git a/fuzz/fuzz_alg_crc32_md5.c b/fuzz/fuzz_alg_crc32_md5.c
@@ -12,6 +12,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   ndpi_crc16_ccit(data, size);
   ndpi_crc16_ccit_false(data, size);
   ndpi_crc16_xmodem(data, size);
+  ndpi_crc16_x25(data, size);
   ndpi_crc32(data, size);
   ndpi_md5(data, size, hash);
 

diff --git a/src/include/ndpi_api.h b/src/include/ndpi_api.h
@@ -1793,6 +1793,7 @@ extern "C" {
   u_int16_t ndpi_crc16_ccit(const void* data, size_t n_bytes);
   u_int16_t ndpi_crc16_ccit_false(const void *data, size_t n_bytes);
   u_int16_t ndpi_crc16_xmodem(const void *data, size_t n_bytes);
+  u_int16_t ndpi_crc16_x25(const void* data, size_t n_bytes);
   u_int32_t ndpi_crc32(const void* data, size_t n_bytes);
   u_int32_t ndpi_nearest_power_of_two(u_int32_t x);
 

diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
@@ -407,6 +407,7 @@ typedef enum {
   NDPI_PROTOCOL_WEBDAV                = 376,
   NDPI_PROTOCOL_APACHE_KAFKA          = 377,
   NDPI_PROTOCOL_NOMACHINE             = 378,
+  NDPI_PROTOCOL_IEC62056              = 379,
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"

diff --git a/src/lib/ndpi_analyze.c b/src/lib/ndpi_analyze.c
@@ -1833,6 +1833,15 @@ u_int16_t ndpi_crc16_xmodem(const void *data, size_t n_bytes) {
   return __crc16(0, data, n_bytes);
 }
 
+u_int16_t ndpi_crc16_x25(const void* data, size_t n_bytes) {
+  u_int16_t crc = 0xFFFF;
+  u_int8_t* b = (u_int8_t*)data;
+  while (n_bytes--) {
+    crc = (crc >> 8) ^ crc16_ccitt_table[(crc ^ *b++) & 0xFF];
+  }
+  return (crc ^ 0xFFFF);
+}
+
 /* ********************************************************** */
 /*       http://home.thep.lu.se/~bjorn/crc/crc32_fast.c       */
 /* ********************************************************** */

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
@@ -2222,6 +2222,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "NoMachine", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
 			  ndpi_build_default_ports(ports_a, 4000, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 4000, 0, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IEC62056,
+			  "IEC62056", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
+			  ndpi_build_default_ports(ports_a, 4059, 0, 0, 0, 0) /* TCP */,
+			  ndpi_build_default_ports(ports_b, 4059, 0, 0, 0, 0) /* UDP */);
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main.c"
@@ -5731,6 +5735,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* NoMachine */
   init_nomachine_dissector(ndpi_str, &a);
 
+  /* IEC 62056 */
+  init_iec62056_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif

diff --git a/src/lib/ndpi_private.h b/src/lib/ndpi_private.h
@@ -641,6 +641,7 @@ void init_openflow_dissector(struct ndpi_detection_module_struct *ndpi_struct, u
 void init_json_rpc_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_kafka_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_nomachine_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_iec62056_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 
 #endif
 

diff --git a/src/lib/protocols/iec62056.c b/src/lib/protocols/iec62056.c
@@ -0,0 +1,74 @@
+/*
+ * iec62056.c
+ *
+ * IEC 62056-4-7 DLMS/COSEM transport layer for IP networks
+ * 
+ * Copyright (C) 2023 - ntop.org
+ * Copyright (C) 2023 - 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_IEC62056
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_iec62056_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+                                             struct ndpi_flow_struct *flow)
+{
+  NDPI_LOG_INFO(ndpi_struct, "found IEC62056\n");
+  ndpi_set_detected_protocol(ndpi_struct, flow,
+                             NDPI_PROTOCOL_IEC62056, NDPI_PROTOCOL_UNKNOWN,
+                             NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_iec62056(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 IEC62056\n");
+
+  if (packet->payload_packet_len > 8 && /* Smallest suitable packet (SNRM request) is 9 bytes long */
+      packet->payload[0] == 0x7E && packet->payload[1] == 0xA0 && /* HDLC frame start */
+      packet->payload[packet->payload_packet_len-1] == 0x7E) /* HDLC frame end */
+  {
+    u_int16_t fcs = le16toh(ndpi_crc16_x25(&packet->payload[1], packet->payload_packet_len-4));
+    if (fcs == get_u_int16_t(packet->payload, packet->payload_packet_len-3)) {
+      ndpi_int_iec62056_add_connection(ndpi_struct,  flow);
+      return;
+    }
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_iec62056_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("IEC62056", ndpi_struct, *id,
+                                      NDPI_PROTOCOL_IEC62056,
+                                      ndpi_search_iec62056,
+                                      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_OR_UDP_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: 546 (91.00 diss/flow)
+Num dissector calls: 549 (91.50 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       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
@@ -6,7 +6,7 @@ DPI Packets (other):	1	(1.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
 Confidence Match by port    : 2 (flows)
 Confidence DPI              : 80 (flows)
-Num dissector calls: 528 (6.36 diss/flow)
+Num dissector calls: 530 (6.39 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/pcap/dlms.pcap b/tests/cfgs/default/pcap/dlms.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: 4773 (24.23 diss/flow)
+Num dissector calls: 4790 (24.31 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/60/0 (insert/search/found)
 LRU cache zoom:       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: 135 (135.00 diss/flow)
+Num dissector calls: 136 (136.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       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: 136 (136.00 diss/flow)
+Num dissector calls: 137 (137.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       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: 190 (190.00 diss/flow)
+Num dissector calls: 191 (191.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       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: 139 (139.00 diss/flow)
+Num dissector calls: 140 (140.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       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: 4718 (152.19 diss/flow)
+Num dissector calls: 4747 (153.13 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       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: 148 (29.60 diss/flow)
+Num dissector calls: 149 (29.80 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       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: 571 (15.03 diss/flow)
+Num dissector calls: 573 (15.08 diss/flow)
 LRU cache ookla:      0/1/0 (insert/search/found)
 LRU cache bittorrent: 0/15/0 (insert/search/found)
 LRU cache zoom:       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: 1169 (58.45 diss/flow)
+Num dissector calls: 1175 (58.75 diss/flow)
 LRU cache ookla:      0/2/0 (insert/search/found)
 LRU cache bittorrent: 0/27/0 (insert/search/found)
 LRU cache zoom:       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: 265 (265.00 diss/flow)
+Num dissector calls: 266 (266.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       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: 530 (3.31 diss/flow)
+Num dissector calls: 531 (3.32 diss/flow)
 LRU cache ookla:      0/5/0 (insert/search/found)
 LRU cache bittorrent: 0/42/0 (insert/search/found)
 LRU cache zoom:       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: 384 (128.00 diss/flow)
+Num dissector calls: 385 (128.33 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       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: 864 (12.52 diss/flow)
+Num dissector calls: 866 (12.55 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/24/0 (insert/search/found)
 LRU cache zoom:       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              : 1 (flows)
-Num dissector calls: 240 (240.00 diss/flow)
+Num dissector calls: 241 (241.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 5/0/0 (insert/search/found)
 LRU cache zoom:       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	(8.00 pkts/flow)
 Confidence DPI              : 2 (flows)
-Num dissector calls: 324 (162.00 diss/flow)
+Num dissector calls: 326 (163.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       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
@@ -4,7 +4,7 @@ DPI Packets (TCP):	41	(5.12 pkts/flow)
 Confidence Match by port    : 2 (flows)
 Confidence DPI              : 5 (flows)
 Confidence Match by IP      : 1 (flows)
-Num dissector calls: 194 (24.25 diss/flow)
+Num dissector calls: 195 (24.38 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache zoom:       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: 447 (55.88 diss/flow)
+Num dissector calls: 450 (56.25 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache zoom:       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
@@ -27,8 +27,8 @@ CustomProtocolF	1	1287	1
 CustomProtocolG	1	318	1
 CustomProtocolH	1	318	1
 
-	1	UDP [247f:855b:5e16:3caf:3f2c:4134:9592:661b]:100 -> [21bc:b273:7f68:88d7:77a8:585:3990:927b]:1991 [proto: 389/CustomProtocolE][IP: 389/CustomProtocolE][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/1287 bytes -> 0 pkts/0 bytes][Goodput ratio: 95/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0]
-	2	UDP [247f:855b:5e16:3caf:3f2c:4134:9592:661b]:36098 -> [21bc:b273:7f68:88d7:77a8:585:3990:927b]:50621 [proto: 390/CustomProtocolF][IP: 390/CustomProtocolF][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/1287 bytes -> 0 pkts/0 bytes][Goodput ratio: 95/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0]
-	3	UDP [3ffe:507::1:200:86ff:fe05:80da]:21554 <-> [3ffe:501:4819::42]:5333 [proto: 388/CustomProtocolD][IP: 388/CustomProtocolD][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/90 bytes <-> 1 pkts/510 bytes][Goodput ratio: 31/88][0.07 sec][PLAIN TEXT (itojun)][Plen Bins: 50,0,0,0,0,0,0,0,0,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	4	UDP [fe80::76ac:b9ff:fe6c:c124]:12717 -> [ff02::1]:64315 [proto: 391/CustomProtocolG][IP: 391/CustomProtocolG][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/318 bytes -> 0 pkts/0 bytes][Goodput ratio: 80/0][< 1 sec][PLAIN TEXT (BZ.qca956)][Plen Bins: 0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	5	UDP [fe80::76ac:b9ff:fe6c:c124]:12718 -> [ff02::1]:26993 [proto: 392/CustomProtocolH][IP: 392/CustomProtocolH][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/318 bytes -> 0 pkts/0 bytes][Goodput ratio: 80/0][< 1 sec][PLAIN TEXT (BZ.qca956)][Plen Bins: 0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	1	UDP [247f:855b:5e16:3caf:3f2c:4134:9592:661b]:100 -> [21bc:b273:7f68:88d7:77a8:585:3990:927b]:1991 [proto: 390/CustomProtocolE][IP: 390/CustomProtocolE][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/1287 bytes -> 0 pkts/0 bytes][Goodput ratio: 95/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0]
+	2	UDP [247f:855b:5e16:3caf:3f2c:4134:9592:661b]:36098 -> [21bc:b273:7f68:88d7:77a8:585:3990:927b]:50621 [proto: 391/CustomProtocolF][IP: 391/CustomProtocolF][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/1287 bytes -> 0 pkts/0 bytes][Goodput ratio: 95/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0]
+	3	UDP [3ffe:507::1:200:86ff:fe05:80da]:21554 <-> [3ffe:501:4819::42]:5333 [proto: 389/CustomProtocolD][IP: 389/CustomProtocolD][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/90 bytes <-> 1 pkts/510 bytes][Goodput ratio: 31/88][0.07 sec][PLAIN TEXT (itojun)][Plen Bins: 50,0,0,0,0,0,0,0,0,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	4	UDP [fe80::76ac:b9ff:fe6c:c124]:12717 -> [ff02::1]:64315 [proto: 392/CustomProtocolG][IP: 392/CustomProtocolG][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/318 bytes -> 0 pkts/0 bytes][Goodput ratio: 80/0][< 1 sec][PLAIN TEXT (BZ.qca956)][Plen Bins: 0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	5	UDP [fe80::76ac:b9ff:fe6c:c124]:12718 -> [ff02::1]:26993 [proto: 393/CustomProtocolH][IP: 393/CustomProtocolH][ClearText][Confidence: Unknown][DPI packets: 1][1 pkts/318 bytes -> 0 pkts/0 bytes][Goodput ratio: 80/0][< 1 sec][PLAIN TEXT (BZ.qca956)][Plen Bins: 0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/custom_rules_same-ip_multiple_ports.pcapng.out b/tests/cfgs/default/result/custom_rules_same-ip_multiple_ports.pcapng.out
@@ -25,6 +25,6 @@ CustomProtocolA	3	222	1
 CustomProtocolB	2	148	1
 Unknown	3	222	1
 
-	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.385/TLS.CustomProtocolA][IP: 385/CustomProtocolA][Encrypted][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: 400/CustomProtocolC][IP: 387/Unknown][Encrypted][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: 386/CustomProtocolB][IP: 386/CustomProtocolB][ClearText][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]
+	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.386/TLS.CustomProtocolA][IP: 386/CustomProtocolA][Encrypted][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: 400/CustomProtocolC][IP: 388/Unknown][Encrypted][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: 387/CustomProtocolB][IP: 387/CustomProtocolB][ClearText][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]