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authorIvan Nardi <12729895+IvanNardi@users.noreply.github.com>2024-03-07 14:39:32 +0100
committerGitHub <noreply@github.com>2024-03-07 14:39:32 +0100
commit6152d595e8a9e9c0f366367e33af36dd69e512aa (patch)
treed28ef817b3614774f0728958ad784b8aaf626982
parent56ce228a8b172d67eaad9cbf5dc7df66a8591d54 (diff)
STUN: add a parameter to configure how long the extra dissection lasts (#2336)
Tradeoff: performance (i.e. number of packets) vs sub-classification
Diffstat
-rw-r--r--doc/configuration_parameters.md1
-rw-r--r--fuzz/fuzz_config.cpp20
-rw-r--r--src/include/ndpi_private.h1
-rw-r--r--src/lib/ndpi_main.c1
-rw-r--r--src/lib/protocols/stun.c17
-rw-r--r--tests/cfgs/default/result/telegram_videocall.pcapng.out24
-rw-r--r--tests/cfgs/stun_extra_dissection/config.txt1
l---------tests/cfgs/stun_extra_dissection/pcap/stun_dtls_rtp_unidir.pcapng1
l---------tests/cfgs/stun_extra_dissection/pcap/stun_zoom.pcapng1
-rw-r--r--tests/cfgs/stun_extra_dissection/result/stun_dtls_rtp_unidir.pcapng.out34
-rw-r--r--tests/cfgs/stun_extra_dissection/result/stun_zoom.pcapng.out34
11 files changed, 109 insertions, 26 deletions
diff --git a/doc/configuration_parameters.md b/doc/configuration_parameters.md
index 5870e1956..34dfdc771 100644
--- a/doc/configuration_parameters.md
+++ b/doc/configuration_parameters.md
@@ -31,6 +31,7 @@ TODO
| "imap" | "tls_dissection" | enable | NULL | NULL | Enable/disable dissection of TLS packets in cleartext IMAP flows (because of opportunistic TLS, via STARTTLS msg) |
| "pop" | "tls_dissection" | enable | NULL | NULL | Enable/disable dissection of TLS packets in cleartext POP flows (because of opportunistic TLS, via STARTTLS msg) |
| "ftp" | "tls_dissection" | enable | NULL | NULL | Enable/disable dissection of TLS packets in cleartext FTP flows (because of opportunistic TLS, via AUTH TLS msg) |
+| "stun" | "max_packets_extra_dissection" | 4 | 0 | 255 | After a flow has been classified has STUN, nDPI might analyse more packets to look for a sub-classification or for metadata. This parameter set the upper limit on the number of these packets |
| "stun" | "tls_dissection" | enable | NULL | NULL | Enable/disable dissection of TLS packets multiplexed into STUN flows |
| "dns" | "subclassification" | enable | NULL | NULL | Enable/disable sub-classification of DNS flows (via query/response domain name). If disabled, some flow risks are not checked |
| "dns" | "process_response" | enable | NULL | NULL | Enable/disable processing of DNS responses. By default, DNS flows are fully classified after the first request/response pair (or after the first response, if the request is missing). If this parameter is disabled, the flows are fully classified after the first packet, i.e. usually after the first request; in that case, some flow risks are not checked and some metadata are not exported |
diff --git a/fuzz/fuzz_config.cpp b/fuzz/fuzz_config.cpp
index 69fdbeeb6..648526429 100644
--- a/fuzz/fuzz_config.cpp
+++ b/fuzz/fuzz_config.cpp
@@ -136,6 +136,21 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if(fuzzed_data.ConsumeBool()) {
value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1);
sprintf(cfg_value, "%d", value);
+ ndpi_set_config(ndpi_info_mod, "tls", "metadata.ja3c_fingerprint", cfg_value);
+ }
+ if(fuzzed_data.ConsumeBool()) {
+ value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1);
+ sprintf(cfg_value, "%d", value);
+ ndpi_set_config(ndpi_info_mod, "tls", "metadata.ja3s_fingerprint", cfg_value);
+ }
+ if(fuzzed_data.ConsumeBool()) {
+ value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1);
+ sprintf(cfg_value, "%d", value);
+ ndpi_set_config(ndpi_info_mod, "tls", "metadata.ja4c_fingerprint", cfg_value);
+ }
+ if(fuzzed_data.ConsumeBool()) {
+ value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1);
+ sprintf(cfg_value, "%d", value);
ndpi_set_config(ndpi_info_mod, "smtp", "tls_dissection", cfg_value);
}
if(fuzzed_data.ConsumeBool()) {
@@ -159,6 +174,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
ndpi_set_config(ndpi_info_mod, "stun", "tls_dissection", cfg_value);
}
if(fuzzed_data.ConsumeBool()) {
+ value = fuzzed_data.ConsumeIntegralInRange(0, 255 + 1);
+ sprintf(cfg_value, "%d", value);
+ ndpi_set_config(ndpi_info_mod, "stun", "max_packets_extra_dissection", cfg_value);
+ }
+ if(fuzzed_data.ConsumeBool()) {
value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1);
sprintf(cfg_value, "%d", value);
ndpi_set_config(ndpi_info_mod, "dns", "subclassification", cfg_value);
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
index 96274e191..f86bb7d53 100644
--- a/src/include/ndpi_private.h
+++ b/src/include/ndpi_private.h
@@ -248,6 +248,7 @@ struct ndpi_detection_module_config_struct {
int ftp_opportunistic_tls_enabled;
int stun_opportunistic_tls_enabled;
+ int stun_max_packets_extra_dissection;
int dns_subclassification_enabled;
int dns_parse_response_enabled;
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index 488ee323e..15c7f055a 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -11065,6 +11065,7 @@ static const struct cfg_param {
{ "ftp", "tls_dissection", "enable", NULL, NULL, CFG_PARAM_ENABLE_DISABLE, __OFF(ftp_opportunistic_tls_enabled), NULL },
{ "stun", "tls_dissection", "enable", NULL, NULL, CFG_PARAM_ENABLE_DISABLE, __OFF(stun_opportunistic_tls_enabled), NULL },
+ { "stun", "max_packets_extra_dissection", "4", "0", "255", CFG_PARAM_INT, __OFF(stun_max_packets_extra_dissection), NULL },
{ "dns", "subclassification", "enable", NULL, NULL, CFG_PARAM_ENABLE_DISABLE, __OFF(dns_subclassification_enabled), NULL },
{ "dns", "process_response", "enable", NULL, NULL, CFG_PARAM_ENABLE_DISABLE, __OFF(dns_parse_response_enabled), NULL },
diff --git a/src/lib/protocols/stun.c b/src/lib/protocols/stun.c
index fc215d448..737a8448e 100644
--- a/src/lib/protocols/stun.c
+++ b/src/lib/protocols/stun.c
@@ -440,7 +440,7 @@ static int stun_search_again(struct ndpi_detection_module_struct *ndpi_struct,
/* Give room for DTLS handshake, where we might have
retransmissions and fragments */
- flow->max_extra_packets_to_check += 10;
+ flow->max_extra_packets_to_check = ndpi_min(255, (int)flow->max_extra_packets_to_check + 10);
flow->stun.maybe_dtls = 1;
}
NDPI_LOG_DBG(ndpi_struct, "Switch to TLS (%d/%d)\n",
@@ -626,19 +626,8 @@ static void ndpi_int_stun_add_connection(struct ndpi_detection_module_struct *nd
if(flow->detected_protocol_stack[1] == NDPI_PROTOCOL_UNKNOWN /* No-subclassification */ ||
flow->detected_protocol_stack[0] == NDPI_PROTOCOL_TELEGRAM_VOIP /* Metadata. TODO: other protocols? */) {
NDPI_LOG_DBG(ndpi_struct, "Enabling extra dissection\n");
-
- if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_TELEGRAM_VOIP) {
- flow->max_extra_packets_to_check = 10; /* Looking for metadata. There are no really RTP packets
- in Telegram flows, so no need to enable monitoring for them */
- } else {
- flow->max_extra_packets_to_check = 4;
- flow->extra_packets_func = stun_search_again;
- }
- }
- } else {
- /* Already in extra dissection, but we just sub-classied */
- if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_TELEGRAM_VOIP) {
- flow->max_extra_packets_to_check = 10;
+ flow->max_extra_packets_to_check = ndpi_struct->cfg.stun_max_packets_extra_dissection;
+ flow->extra_packets_func = stun_search_again;
}
}
}
diff --git a/tests/cfgs/default/result/telegram_videocall.pcapng.out b/tests/cfgs/default/result/telegram_videocall.pcapng.out
index fe1bc0d8a..6844808f7 100644
--- a/tests/cfgs/default/result/telegram_videocall.pcapng.out
+++ b/tests/cfgs/default/result/telegram_videocall.pcapng.out
@@ -1,7 +1,7 @@
Guessed flow protos: 2
DPI Packets (TCP): 36 (3.60 pkts/flow)
-DPI Packets (UDP): 82 (4.32 pkts/flow)
+DPI Packets (UDP): 76 (4.00 pkts/flow)
DPI Packets (other): 5 (1.00 pkts/flow)
Confidence DPI (partial) : 1 (flows)
Confidence DPI (cache) : 10 (flows)
@@ -11,7 +11,7 @@ Num dissector calls: 773 (22.74 diss/flow)
LRU cache ookla: 0/0/0 (insert/search/found)
LRU cache bittorrent: 0/6/0 (insert/search/found)
LRU cache zoom: 0/0/0 (insert/search/found)
-LRU cache stun: 43/49/10 (insert/search/found)
+LRU cache stun: 35/49/10 (insert/search/found)
LRU cache tls_cert: 0/0/0 (insert/search/found)
LRU cache mining: 0/2/0 (insert/search/found)
LRU cache msteams: 0/0/0 (insert/search/found)
@@ -42,21 +42,21 @@ Acceptable 883 382822 33
1 TCP 192.168.12.169:37950 <-> 149.154.167.91:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][156 pkts/40749 bytes <-> 214 pkts/142865 bytes][Goodput ratio: 75/90][41.14 sec][bytes ratio: -0.556 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 246/152 12847/5983 1291/707][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 261/668 1090/1294 224/564][PLAIN TEXT (MMHu@J)][Plen Bins: 0,0,2,2,4,5,6,4,4,3,0,1,0,0,1,0,2,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,60,0,0,0,0,0,0,0,0,0]
2 TCP 192.168.12.169:40830 <-> 149.154.167.222:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][80 pkts/7287 bytes <-> 100 pkts/120708 bytes][Goodput ratio: 27/95][28.19 sec][bytes ratio: -0.886 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 437/1 25008/31 3114/5][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 91/1207 644/1294 95/289][PLAIN TEXT (elySaT)][Plen Bins: 0,0,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,94,0,0,0,0,0,0,0,0,0]
- 3 UDP 192.168.12.169:42405 <-> 93.36.13.115:35393 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 1][cat: VoIP/10][59 pkts/17987 bytes <-> 55 pkts/9102 bytes][Goodput ratio: 86/75][2.02 sec][bytes ratio: 0.328 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 32/28 306/117 48/28][Pkt Len c2s/s2c min/avg/max/stddev: 65/63 305/165 1154/435 330/102][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No server to client traffic][PLAIN TEXT (BPEmhF0)][Plen Bins: 8,28,25,7,0,0,0,15,0,1,1,0,2,1,0,1,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 3 UDP 192.168.12.169:42405 <-> 93.36.13.115:35393 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 5][cat: VoIP/10][59 pkts/17987 bytes <-> 55 pkts/9102 bytes][Goodput ratio: 86/75][2.02 sec][bytes ratio: 0.328 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 32/28 306/117 48/28][Pkt Len c2s/s2c min/avg/max/stddev: 65/63 305/165 1154/435 330/102][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (BPEmhF0)][Plen Bins: 8,28,25,7,0,0,0,15,0,1,1,0,2,1,0,1,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0]
4 TCP 192.168.12.169:40832 <-> 149.154.167.222:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][18 pkts/2256 bytes <-> 15 pkts/13705 bytes][Goodput ratio: 47/93][28.20 sec][bytes ratio: -0.717 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 218/280 2909/2997 746/859][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 125/914 644/1294 150/495][PLAIN TEXT (lmd/HB)][Plen Bins: 0,0,0,0,6,6,6,0,0,0,6,0,0,0,0,0,0,0,6,6,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,57,0,0,0,0,0,0,0,0,0]
5 TCP 192.168.12.169:46862 <-> 149.154.167.51:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][11 pkts/1963 bytes <-> 8 pkts/2558 bytes][Goodput ratio: 63/79][10.13 sec][bytes ratio: -0.132 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 1124/32 9909/87 3106/31][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 178/320 452/670 155/261][Plen Bins: 0,0,0,11,0,22,0,0,0,0,22,0,11,0,0,0,11,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
6 TCP 192.168.12.169:46866 <-> 149.154.167.51:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][9 pkts/1879 bytes <-> 6 pkts/1822 bytes][Goodput ratio: 68/78][10.11 sec][bytes ratio: 0.015 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/30 1440/34 9925/41 3464/5][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 209/304 436/839 161/306][Plen Bins: 0,0,0,14,0,0,0,14,0,14,0,28,0,0,0,0,14,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 7 UDP 192.168.12.169:40643 <-> 91.108.9.35:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 11][cat: VoIP/10][8 pkts/1224 bytes <-> 10 pkts/1236 bytes][Goodput ratio: 72/66][14.20 sec][Hostname/SNI: telegram.org][bytes ratio: -0.005 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 35/0 2360/1766 13458/13458 4964/4420][Pkt Len c2s/s2c min/avg/max/stddev: 70/102 153/124 170/190 33/25][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 5,16,34,16,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 8 UDP 192.168.12.169:40906 -> 10.46.103.200:42554 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 1][cat: VoIP/10][13 pkts/1846 bytes -> 0 pkts/0 bytes][Goodput ratio: 70/0][13.47 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 98/0 1088/0 1553/0 481/0][Pkt Len c2s/s2c min/avg/max/stddev: 142/0 142/0 142/0 0/0][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][PLAIN TEXT (BBEvpfJJpa)][Plen Bins: 0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 9 UDP 192.168.12.169:42405 -> 10.46.103.200:42554 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 1][cat: VoIP/10][13 pkts/1846 bytes -> 0 pkts/0 bytes][Goodput ratio: 70/0][13.02 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 97/0 1047/0 2004/0 541/0][Pkt Len c2s/s2c min/avg/max/stddev: 142/0 142/0 142/0 0/0][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][PLAIN TEXT (bfyeXPVa97N)][Plen Bins: 0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 7 UDP 192.168.12.169:40643 <-> 91.108.9.35:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 5][cat: VoIP/10][8 pkts/1224 bytes <-> 10 pkts/1236 bytes][Goodput ratio: 72/66][14.20 sec][Hostname/SNI: telegram.org][bytes ratio: -0.005 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 35/0 2360/1766 13458/13458 4964/4420][Pkt Len c2s/s2c min/avg/max/stddev: 70/102 153/124 170/190 33/25][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 5,16,34,16,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 8 UDP 192.168.12.169:40906 -> 10.46.103.200:42554 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 5][cat: VoIP/10][13 pkts/1846 bytes -> 0 pkts/0 bytes][Goodput ratio: 70/0][13.47 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 98/0 1088/0 1553/0 481/0][Pkt Len c2s/s2c min/avg/max/stddev: 142/0 142/0 142/0 0/0][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][PLAIN TEXT (BBEvpfJJpa)][Plen Bins: 0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 9 UDP 192.168.12.169:42405 -> 10.46.103.200:42554 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 5][cat: VoIP/10][13 pkts/1846 bytes -> 0 pkts/0 bytes][Goodput ratio: 70/0][13.02 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 97/0 1047/0 2004/0 541/0][Pkt Len c2s/s2c min/avg/max/stddev: 142/0 142/0 142/0 0/0][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][PLAIN TEXT (bfyeXPVa97N)][Plen Bins: 0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
10 TCP 192.168.12.169:40834 <-> 149.154.167.222:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][5 pkts/788 bytes <-> 3 pkts/890 bytes][Goodput ratio: 57/77][0.17 sec][bytes ratio: -0.061 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 6/47 24/68 42/90 14/22][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 158/297 315/750 110/321][Plen Bins: 0,0,0,0,0,0,33,33,0,0,0,0,0,0,0,0,0,0,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 11 UDP 192.168.12.169:49667 <-> 91.108.13.23:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 11][cat: VoIP/10][6 pkts/912 bytes <-> 6 pkts/704 bytes][Goodput ratio: 72/64][14.30 sec][Hostname/SNI: telegram.org][bytes ratio: 0.129 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 82/81 176/176 283/284 76/77][Pkt Len c2s/s2c min/avg/max/stddev: 70/102 152/117 170/134 37/14][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (ehscoNGDW)][Plen Bins: 8,16,33,16,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 12 UDP 192.168.12.169:49780 <-> 91.108.17.2:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 11][cat: VoIP/10][6 pkts/912 bytes <-> 6 pkts/704 bytes][Goodput ratio: 72/64][14.31 sec][Hostname/SNI: telegram.org][bytes ratio: 0.129 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 83/84 174/175 253/252 62/61][Pkt Len c2s/s2c min/avg/max/stddev: 70/102 152/117 170/134 37/14][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 8,16,33,16,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 11 UDP 192.168.12.169:49667 <-> 91.108.13.23:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 5][cat: VoIP/10][6 pkts/912 bytes <-> 6 pkts/704 bytes][Goodput ratio: 72/64][14.30 sec][Hostname/SNI: telegram.org][bytes ratio: 0.129 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 82/81 176/176 283/284 76/77][Pkt Len c2s/s2c min/avg/max/stddev: 70/102 152/117 170/134 37/14][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (ehscoNGDW)][Plen Bins: 8,16,33,16,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 12 UDP 192.168.12.169:49780 <-> 91.108.17.2:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 5][cat: VoIP/10][6 pkts/912 bytes <-> 6 pkts/704 bytes][Goodput ratio: 72/64][14.31 sec][Hostname/SNI: telegram.org][bytes ratio: 0.129 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 83/84 174/175 253/252 62/61][Pkt Len c2s/s2c min/avg/max/stddev: 70/102 152/117 170/134 37/14][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 8,16,33,16,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
13 TCP 192.168.12.169:37966 <-> 149.154.167.91:443 [proto: 185/Telegram][IP: 185/Telegram][Encrypted][Confidence: Match by IP][DPI packets: 4][cat: Chat/9][5 pkts/1117 bytes <-> 3 pkts/464 bytes][Goodput ratio: 70/55][0.15 sec][bytes ratio: 0.413 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/32 20/62 33/91 13/30][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 223/155 532/324 196/120][Plen Bins: 0,0,0,0,0,0,0,0,33,33,0,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 14 UDP 192.168.12.169:37444 <-> 91.108.17.2:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 6][cat: VoIP/10][3 pkts/402 bytes <-> 3 pkts/378 bytes][Goodput ratio: 68/66][14.31 sec][Hostname/SNI: telegram.org][bytes ratio: 0.031 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 159/159 7082/7082 14005/14005 6923/6923][Pkt Len c2s/s2c min/avg/max/stddev: 70/110 134/126 166/134 45/11][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 16,0,50,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 15 UDP 192.168.12.169:37530 <-> 91.108.13.23:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 6][cat: VoIP/10][3 pkts/402 bytes <-> 3 pkts/378 bytes][Goodput ratio: 68/66][14.30 sec][Hostname/SNI: telegram.org][bytes ratio: 0.031 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 133/132 7082/7082 14032/14032 6950/6950][Pkt Len c2s/s2c min/avg/max/stddev: 70/110 134/126 166/134 45/11][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 16,0,50,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 16 UDP 192.168.12.169:37849 <-> 91.108.9.35:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 6][cat: VoIP/10][3 pkts/402 bytes <-> 3 pkts/378 bytes][Goodput ratio: 68/66][14.20 sec][Hostname/SNI: telegram.org][bytes ratio: 0.031 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 30/45 7084/7084 14138/14124 7054/7040][Pkt Len c2s/s2c min/avg/max/stddev: 70/110 134/126 166/134 45/11][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Bs/cdOs)][Plen Bins: 16,0,50,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
- 17 UDP 192.168.12.169:40906 <-> 93.36.13.115:35393 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 1][cat: VoIP/10][2 pkts/248 bytes <-> 2 pkts/244 bytes][Goodput ratio: 66/65][0.13 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No server to client traffic][Plen Bins: 0,0,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 14 UDP 192.168.12.169:37444 <-> 91.108.17.2:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 5][cat: VoIP/10][3 pkts/402 bytes <-> 3 pkts/378 bytes][Goodput ratio: 68/66][14.31 sec][Hostname/SNI: telegram.org][bytes ratio: 0.031 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 159/159 7082/7082 14005/14005 6923/6923][Pkt Len c2s/s2c min/avg/max/stddev: 70/110 134/126 166/134 45/11][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 16,0,50,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 15 UDP 192.168.12.169:37530 <-> 91.108.13.23:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 5][cat: VoIP/10][3 pkts/402 bytes <-> 3 pkts/378 bytes][Goodput ratio: 68/66][14.30 sec][Hostname/SNI: telegram.org][bytes ratio: 0.031 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 133/132 7082/7082 14032/14032 6950/6950][Pkt Len c2s/s2c min/avg/max/stddev: 70/110 134/126 166/134 45/11][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Unauthorized)][Plen Bins: 16,0,50,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 16 UDP 192.168.12.169:37849 <-> 91.108.9.35:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI][DPI packets: 5][cat: VoIP/10][3 pkts/402 bytes <-> 3 pkts/378 bytes][Goodput ratio: 68/66][14.20 sec][Hostname/SNI: telegram.org][bytes ratio: 0.031 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 30/45 7084/7084 14138/14124 7054/7040][Pkt Len c2s/s2c min/avg/max/stddev: 70/110 134/126 166/134 45/11][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (Bs/cdOs)][Plen Bins: 16,0,50,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 17 UDP 192.168.12.169:40906 <-> 93.36.13.115:35393 [proto: 78.355/STUN.TelegramVoip][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][DPI packets: 4][cat: VoIP/10][2 pkts/248 bytes <-> 2 pkts/244 bytes][Goodput ratio: 66/65][0.13 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Plen Bins: 0,0,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
18 UDP 192.168.12.169:40906 <-> 91.108.9.35:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI (cache)][DPI packets: 4][cat: VoIP/10][2 pkts/124 bytes <-> 2 pkts/252 bytes][Goodput ratio: 32/66][10.06 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Plen Bins: 50,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
19 UDP 192.168.12.169:40906 <-> 91.108.13.23:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI (cache)][DPI packets: 4][cat: VoIP/10][2 pkts/124 bytes <-> 2 pkts/252 bytes][Goodput ratio: 32/66][10.28 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][PLAIN TEXT (RBkPSgr)][Plen Bins: 50,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
20 UDP 192.168.12.169:40906 <-> 91.108.17.2:1400 [proto: 78.355/STUN.TelegramVoip][IP: 185/Telegram][ClearText][Confidence: DPI (cache)][DPI packets: 4][cat: VoIP/10][2 pkts/124 bytes <-> 2 pkts/252 bytes][Goodput ratio: 32/66][10.30 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Plen Bins: 50,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/stun_extra_dissection/config.txt b/tests/cfgs/stun_extra_dissection/config.txt
new file mode 100644
index 000000000..8f6faf085
--- /dev/null
+++ b/tests/cfgs/stun_extra_dissection/config.txt
@@ -0,0 +1 @@
+--cfg=stun,max_packets_extra_dissection,255
diff --git a/tests/cfgs/stun_extra_dissection/pcap/stun_dtls_rtp_unidir.pcapng b/tests/cfgs/stun_extra_dissection/pcap/stun_dtls_rtp_unidir.pcapng
new file mode 120000
index 000000000..b7223bfd0
--- /dev/null
+++ b/tests/cfgs/stun_extra_dissection/pcap/stun_dtls_rtp_unidir.pcapng
@@ -0,0 +1 @@
+../../default/pcap/stun_dtls_rtp_unidir.pcapng \ No newline at end of file
diff --git a/tests/cfgs/stun_extra_dissection/pcap/stun_zoom.pcapng b/tests/cfgs/stun_extra_dissection/pcap/stun_zoom.pcapng
new file mode 120000
index 000000000..1138a74db
--- /dev/null
+++ b/tests/cfgs/stun_extra_dissection/pcap/stun_zoom.pcapng
@@ -0,0 +1 @@
+../../default/pcap/stun_zoom.pcapng \ No newline at end of file
diff --git a/tests/cfgs/stun_extra_dissection/result/stun_dtls_rtp_unidir.pcapng.out b/tests/cfgs/stun_extra_dissection/result/stun_dtls_rtp_unidir.pcapng.out
new file mode 100644
index 000000000..0dadf81fd
--- /dev/null
+++ b/tests/cfgs/stun_extra_dissection/result/stun_dtls_rtp_unidir.pcapng.out
@@ -0,0 +1,34 @@
+DPI Packets (UDP): 36 (18.00 pkts/flow)
+Confidence DPI : 2 (flows)
+Num dissector calls: 12 (6.00 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)
+LRU cache stun: 32/88/0 (insert/search/found)
+LRU cache tls_cert: 0/5/0 (insert/search/found)
+LRU cache mining: 0/0/0 (insert/search/found)
+LRU cache msteams: 0/0/0 (insert/search/found)
+LRU cache stun_zoom: 0/0/0 (insert/search/found)
+Automa host: 0/0 (search/found)
+Automa domain: 0/0 (search/found)
+Automa tls cert: 1/0 (search/found)
+Automa risk mask: 0/0 (search/found)
+Automa common alpns: 0/0 (search/found)
+Patricia risk mask: 4/0 (search/found)
+Patricia risk mask IPv6: 0/0 (search/found)
+Patricia risk: 0/0 (search/found)
+Patricia risk IPv6: 0/0 (search/found)
+Patricia protocols: 4/0 (search/found)
+Patricia protocols IPv6: 0/0 (search/found)
+
+RTP 43 10358 2
+
+Acceptable 43 10358 2
+
+JA3 Host Stats:
+ IP Address # JA3C
+ 1 10.10.0.1 1
+
+
+ 1 UDP 10.1.0.3:5853 -> 10.10.0.1:2808 [proto: 30.87/DTLS.RTP][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 15][cat: Network/14][18 pkts/5384 bytes -> 0 pkts/0 bytes][Goodput ratio: 86/0][7.17 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 386/0 4001/0 979/0][Pkt Len c2s/s2c min/avg/max/stddev: 102/0 299/0 750/0 221/0][Risk: ** Self-signed Cert **][Risk Score: 100][Risk Info: CN=8][DTLSv1.0][JA3S: 1cfcbe58451407e23669f1dd08565519][Issuer: CN=8][Subject: CN=8][Certificate SHA-1: 94:8C:6F:C3:00:6A:A1:63:F1:52:7E:7F:1F:A7:93:90:46:3B:B1:2D][Validity: 2015-12-10 05:41:43 - 2016-01-10 05:41:43][Cipher: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA][PLAIN TEXT (Coturn)][Plen Bins: 0,5,5,5,34,22,0,0,0,5,0,0,0,0,0,5,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 2 UDP 10.10.0.1:65226 -> 10.1.0.3:57730 [proto: 30.87/DTLS.RTP][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 21][cat: Network/14][25 pkts/4974 bytes -> 0 pkts/0 bytes][Goodput ratio: 79/0][7.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 324/0 4001/0 904/0][Pkt Len c2s/s2c min/avg/max/stddev: 78/0 199/0 478/0 92/0][DTLSv1.0][JA3C: fd8faf73d274d5614a51dae82304be0a][JA4: t00d250500_c70d7c76d4be_255c854b9f77][PLAIN TEXT (username1)][Plen Bins: 0,8,16,16,32,0,4,8,0,12,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/stun_extra_dissection/result/stun_zoom.pcapng.out b/tests/cfgs/stun_extra_dissection/result/stun_zoom.pcapng.out
new file mode 100644
index 000000000..5d1f969e0
--- /dev/null
+++ b/tests/cfgs/stun_extra_dissection/result/stun_zoom.pcapng.out
@@ -0,0 +1,34 @@
+DPI Packets (UDP): 36 (18.00 pkts/flow)
+Confidence DPI : 2 (flows)
+Num dissector calls: 12 (6.00 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)
+LRU cache stun: 0/40/0 (insert/search/found)
+LRU cache tls_cert: 0/9/0 (insert/search/found)
+LRU cache mining: 0/0/0 (insert/search/found)
+LRU cache msteams: 0/0/0 (insert/search/found)
+LRU cache stun_zoom: 0/0/0 (insert/search/found)
+Automa host: 2/2 (search/found)
+Automa domain: 2/0 (search/found)
+Automa tls cert: 0/0 (search/found)
+Automa risk mask: 0/0 (search/found)
+Automa common alpns: 4/4 (search/found)
+Patricia risk mask: 4/0 (search/found)
+Patricia risk mask IPv6: 0/0 (search/found)
+Patricia risk: 0/0 (search/found)
+Patricia risk IPv6: 0/0 (search/found)
+Patricia protocols: 2/2 (search/found)
+Patricia protocols IPv6: 0/0 (search/found)
+
+Zoom 70 18258 2
+
+Acceptable 70 18258 2
+
+JA3 Host Stats:
+ IP Address # JA3C
+ 1 192.168.43.169 1
+
+
+ 1 UDP 192.168.43.169:53065 <-> 134.224.90.111:8801 [proto: 30.189/DTLS.Zoom][IP: 189/Zoom][Encrypted][Confidence: DPI][DPI packets: 22][cat: Video/26][19 pkts/3524 bytes <-> 21 pkts/6353 bytes][Goodput ratio: 77/86][1.19 sec][(Advertised) ALPNs: webrtc;c-webrtc][bytes ratio: -0.286 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 64/45 153/178 50/56][Pkt Len c2s/s2c min/avg/max/stddev: 91/56 185/303 231/1094 42/390][DTLSv1.2][JA3C: 3e12a43c7535bb32beac3928f8fe905d][JA4: t00d0808we_c6c2b6ec87e0_06b1ae923e2a][ServerNames: *.cloud.zoom.us][JA3S: 323ab23be4a686962b978f9ca6735add][Issuer: C=US, O=DigiCert Inc, CN=DigiCert TLS RSA SHA256 2020 CA1][Subject: C=US, ST=California, L=San Jose, O=Zoom Video Communications, Inc., CN=*.cloud.zoom.us][Certificate SHA-1: FD:F2:22:45:64:31:28:BD:2D:56:D6:F4:56:01:71:88:E3:4C:2C:D9][Firefox][Validity: 2022-01-22 00:00:00 - 2023-01-24 23:59:59][Cipher: TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256][PLAIN TEXT (webrtc)][Plen Bins: 5,15,27,2,27,10,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+ 2 UDP 192.168.43.169:48854 <-> 134.224.90.111:8801 [proto: 30.189/DTLS.Zoom][IP: 189/Zoom][Encrypted][Confidence: DPI][DPI packets: 14][cat: Video/26][13 pkts/2491 bytes <-> 17 pkts/5890 bytes][Goodput ratio: 78/88][0.76 sec][(Advertised) ALPNs: webrtc;c-webrtc][bytes ratio: -0.406 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 73/43 200/286 59/80][Pkt Len c2s/s2c min/avg/max/stddev: 91/56 192/346 231/1094 40/422][DTLSv1.2][JA3C: 3e12a43c7535bb32beac3928f8fe905d][JA4: t00d0808we_c6c2b6ec87e0_06b1ae923e2a][ServerNames: *.cloud.zoom.us][JA3S: 323ab23be4a686962b978f9ca6735add][Issuer: C=US, O=DigiCert Inc, CN=DigiCert TLS RSA SHA256 2020 CA1][Subject: C=US, ST=California, L=San Jose, O=Zoom Video Communications, Inc., CN=*.cloud.zoom.us][Certificate SHA-1: FD:F2:22:45:64:31:28:BD:2D:56:D6:F4:56:01:71:88:E3:4C:2C:D9][Firefox][Validity: 2022-01-22 00:00:00 - 2023-01-24 23:59:59][Cipher: TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256][PLAIN TEXT (DCBD09778680)][Plen Bins: 10,13,23,0,26,10,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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