Add HLS support (#2502)

8 files changed, 56 insertions, 7 deletions

diff --git a/doc/protocols.rst b/doc/protocols.rst
index b9c360fc3..b987111e4 100644
--- a/doc/protocols.rst
+++ b/doc/protocols.rst
@@ -856,3 +856,12 @@ References:  `Oracle site <https://docs.oracle.com/en/java/javase/21/docs/specs/
 The RIPE Atlas probe protocol is used for the world's largest active Internet measurement network.
 
 References: `Main Site <https://atlas.ripe.net/>`_ and `Documentation <https://ripe-atlas-tools.readthedocs.io/en/latest/index.html>`_
+
+
+.. _Proto 418:
+
+`NDPI_PROTOCOL_HLS`
+=====================
+HTTP Live Streaming (HLS) is an adaptive bitrate streaming communications protocol developed by Apple Inc. It allows for the delivery of media content over the internet by breaking the stream into small segments and adjusting the quality of the stream in real time based on the viewer's network conditions.
+
+References: `RFC <https://datatracker.ietf.org/doc/html/rfc8216>`_
diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index d21af9e4f..8b8208204 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -446,6 +446,7 @@ typedef enum {
   NDPI_PROTOCOL_ZUG                   = 415,
   NDPI_PROTOCOL_JRMI                  = 416, 
   NDPI_PROTOCOL_RIPE_ATLAS            = 417,
+  NDPI_PROTOCOL_HLS                   = 418,
 
 #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
index a07037b92..e9911e903 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2279,9 +2279,13 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  ndpi_build_default_ports(ports_a, 1099, 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_RIPE_ATLAS,
-              "RipeAtlas", NDPI_PROTOCOL_CATEGORY_NETWORK,
-              ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
-              ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
+			  "RipeAtlas", NDPI_PROTOCOL_CATEGORY_NETWORK,
+			  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, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_HLS,
+			  "HLS", NDPI_PROTOCOL_CATEGORY_MEDIA,
+			  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"
diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c
index c57ed8441..bf365c46f 100644
--- a/src/lib/protocols/http.c
+++ b/src/lib/protocols/http.c
@@ -489,6 +489,15 @@ static void ndpi_http_parse_subprotocol(struct ndpi_detection_module_struct *ndp
     ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_OCSP, master_protocol, NDPI_CONFIDENCE_DPI);
   }
 
+  /* HTTP Live Streaming */
+  if (packet->content_line.len > 28 &&
+      (strncmp((const char *)packet->content_line.ptr, "application/vnd.apple.mpegurl", 29) == 0 ||
+      strncmp((const char *)packet->content_line.ptr, "application/x-mpegURL", 21) == 0 ||
+      strncmp((const char *)packet->content_line.ptr, "application/x-mpegurl", 21) == 0)) {
+    NDPI_LOG_DBG2(ndpi_struct, "Found HLS\n");
+    ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_HLS, master_protocol, NDPI_CONFIDENCE_DPI);
+  }
+
   if((flow->http.method == NDPI_HTTP_METHOD_RPC_CONNECT) ||
      (flow->http.method == NDPI_HTTP_METHOD_RPC_IN_DATA) ||
      (flow->http.method == NDPI_HTTP_METHOD_RPC_OUT_DATA)) {
diff --git a/tests/cfgs/default/pcap/hls.pcapng b/tests/cfgs/default/pcap/hls.pcapng
new file mode 100644
index 000000000..713e43050
--- /dev/null
+++ b/tests/cfgs/default/pcap/hls.pcapng
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
index 389ada5e1..5f3c773cd 100644
--- 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 @@ CustomProtocolC	3	222	1
 
 Acceptable                       8 592           3            
 
-	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.424/TLS.CustomProtocolA][IP: 424/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: 91.425/TLS.CustomProtocolA][IP: 425/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: 425/CustomProtocolB][IP: 425/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: 426/CustomProtocolB][IP: 426/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/hls.pcapng.out b/tests/cfgs/default/result/hls.pcapng.out
new file mode 100644
index 000000000..5766d4ddf
--- /dev/null
+++ b/tests/cfgs/default/result/hls.pcapng.out
@@ -0,0 +1,26 @@
+DPI Packets (TCP):	6	(6.00 pkts/flow)
+Confidence DPI              : 1 (flows)
+Num dissector calls: 15 (15.00 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)
+LRU cache tls_cert:   0/0/0 (insert/search/found)
+LRU cache mining:     0/0/0 (insert/search/found)
+LRU cache msteams:    0/0/0 (insert/search/found)
+Automa host:          1/0 (search/found)
+Automa domain:        1/0 (search/found)
+Automa tls cert:      0/0 (search/found)
+Automa risk mask:     1/0 (search/found)
+Automa common alpns:  0/0 (search/found)
+Patricia risk mask:   2/0 (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:   2/0 (search/found)
+Patricia protocols IPv6: 0/0 (search/found)
+
+HLS	13	1019	1
+
+Fun                             13 1019          1            
+
+	1	TCP 10.215.173.1:41644 <-> 192.168.88.231:8080 [proto: 7.418/HTTP.HLS][IP: 0/Unknown][ClearText][Confidence: DPI][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 6][cat: Web/5][7 pkts/448 bytes <-> 6 pkts/571 bytes][Goodput ratio: 33/56][5.34 sec][Hostname/SNI: 192.168.88.231][bytes ratio: -0.121 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 1060/0 5298/1 2119/0][Pkt Len c2s/s2c min/avg/max/stddev: 40/40 64/95 188/246 51/80][URL: 192.168.88.231:8080/output.m3u8][StatusCode: 200][Content-Type: application/vnd.apple.mpegurl][Server: SimpleHTTP/0.6 Python/3.11.4][User-Agent: VLC/3.0.18 LibVLC/3.0.18][Risk: ** Known Proto on Non Std Port **** HTTP/TLS/QUIC Numeric Hostname/SNI **][Risk Score: 60][Risk Info: Found host 192.168.88.231 / Expected on port 80][PLAIN TEXT (GET /output.m)][Plen Bins: 0,0,0,33,33,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/synscan.pcap.out b/tests/cfgs/default/result/synscan.pcap.out
index bf392fa5e..519918100 100644
--- a/tests/cfgs/default/result/synscan.pcap.out
+++ b/tests/cfgs/default/result/synscan.pcap.out
@@ -144,7 +144,7 @@ Unrated                       1848 107192        1844
 	48	TCP 172.16.0.8:36050 -> 64.13.134.52:2605 [proto: 13/BGP][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
 	49	TCP 172.16.0.8:36050 -> 64.13.134.52:3000 [proto: 26/ntop][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	50	TCP 172.16.0.8:36050 -> 64.13.134.52:3128 [proto: 131/HTTP_Proxy][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Web/5][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
-	51	TCP 172.16.0.8:36050 -> 64.13.134.52:3260 [proto: 418/iSCSI][IP: 0/Unknown][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	51	TCP 172.16.0.8:36050 -> 64.13.134.52:3260 [proto: 419/iSCSI][IP: 0/Unknown][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	52	TCP 172.16.0.8:36050 -> 64.13.134.52:3300 [proto: 381/Ceph][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: DataTransfer/4][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
 	53	TCP 172.16.0.8:36050 -> 64.13.134.52:3306 [proto: 20/MySQL][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Database/11][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
 	54	TCP 172.16.0.8:36050 -> 64.13.134.52:3389 [proto: 88/RDP][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: RemoteAccess/12][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Desktop/File Sharing **** Unidirectional Traffic **** Probing attempt **][Risk Score: 70][Risk Info: No server to client traffic / TCP connection with unidirectional traffic / Found RDP][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]
@@ -217,7 +217,7 @@ Unrated                       1848 107192        1844
 	121	TCP 172.16.0.8:36051 -> 64.13.134.52:2605 [proto: 13/BGP][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
 	122	TCP 172.16.0.8:36051 -> 64.13.134.52:3000 [proto: 26/ntop][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	123	TCP 172.16.0.8:36051 -> 64.13.134.52:3128 [proto: 131/HTTP_Proxy][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Web/5][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
-	124	TCP 172.16.0.8:36051 -> 64.13.134.52:3260 [proto: 418/iSCSI][IP: 0/Unknown][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	124	TCP 172.16.0.8:36051 -> 64.13.134.52:3260 [proto: 419/iSCSI][IP: 0/Unknown][ClearText][Confidence: Match by custom rule][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	125	TCP 172.16.0.8:36051 -> 64.13.134.52:3300 [proto: 381/Ceph][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: DataTransfer/4][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
 	126	TCP 172.16.0.8:36051 -> 64.13.134.52:3306 [proto: 20/MySQL][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Database/11][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **** Probing attempt **][Risk Score: 60][Risk Info: No server to client traffic / TCP connection with unidirectional 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]
 	127	TCP 172.16.0.8:36051 -> 64.13.134.52:3389 [proto: 88/RDP][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: RemoteAccess/12][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Desktop/File Sharing **** Unidirectional Traffic **** Probing attempt **][Risk Score: 70][Risk Info: No server to client traffic / TCP connection with unidirectional traffic / Found RDP][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]