STUN: improve demultiplexing of DTLS packets (#2153)

Keep demultiplexing STUN/RTP/RTCP packets after DTLS ones.

We might end up processing the session a little longer, because we will
process the STUN/RTP/RTCP packets after the DTLS handshake.

12 files changed, 131 insertions, 10 deletions

diff --git a/tests/cfgs/default/pcap/stun_dtls_rtp.pcapng b/tests/cfgs/default/pcap/stun_dtls_rtp.pcapng
new file mode 100644
index 000000000..9d51e7ca7
--- /dev/null
+++ b/tests/cfgs/default/pcap/stun_dtls_rtp.pcapng
diff --git a/tests/cfgs/default/pcap/stun_dtls_rtp_unidir.pcapng b/tests/cfgs/default/pcap/stun_dtls_rtp_unidir.pcapng
new file mode 100644
index 000000000..a986d71fd
--- /dev/null
+++ b/tests/cfgs/default/pcap/stun_dtls_rtp_unidir.pcapng
diff --git a/tests/cfgs/default/result/dtls_certificate.pcapng.out b/tests/cfgs/default/result/dtls_certificate.pcapng.out
index e704d64f5..8f2b8dd59 100644
--- a/tests/cfgs/default/result/dtls_certificate.pcapng.out
+++ b/tests/cfgs/default/result/dtls_certificate.pcapng.out
@@ -1,4 +1,4 @@
-Guessed flow protos:	0
+Guessed flow protos:	1
 
 DPI Packets (UDP):	1	(1.00 pkts/flow)
 Confidence DPI              : 1 (flows)
diff --git a/tests/cfgs/default/result/stun_dtls_rtp.pcapng.out b/tests/cfgs/default/result/stun_dtls_rtp.pcapng.out
new file mode 100644
index 000000000..cf2146aec
--- /dev/null
+++ b/tests/cfgs/default/result/stun_dtls_rtp.pcapng.out
@@ -0,0 +1,28 @@
+Guessed flow protos:	0
+
+DPI Packets (UDP):	1	(1.00 pkts/flow)
+Confidence DPI              : 1 (flows)
+Num dissector calls: 6 (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:       2/0/0 (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)
+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:      0/0 (search/found)
+Automa risk mask:     0/0 (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:   1/1 (search/found)
+Patricia protocols IPv6: 0/0 (search/found)
+
+GoogleHangoutDuo	39	8413	1
+
+	1	UDP 192.168.12.156:37967 <-> 142.250.82.76:19305 [proto: 78.201/STUN.GoogleHangoutDuo][IP: 126/Google][ClearText][Confidence: DPI][DPI packets: 1][cat: VoIP/10][25 pkts/4202 bytes <-> 14 pkts/4211 bytes][Goodput ratio: 75/86][0.88 sec][bytes ratio: -0.001 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 37/35 203/107 47/36][Pkt Len c2s/s2c min/avg/max/stddev: 103/82 168/301 587/1245 125/320][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No server to client traffic][PLAIN TEXT (ShSURJhNF)][Plen Bins: 0,5,47,30,2,0,0,0,0,0,0,0,0,2,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/stun_dtls_rtp_unidir.pcapng.out b/tests/cfgs/default/result/stun_dtls_rtp_unidir.pcapng.out
new file mode 100644
index 000000000..73bfebb35
--- /dev/null
+++ b/tests/cfgs/default/result/stun_dtls_rtp_unidir.pcapng.out
@@ -0,0 +1,29 @@
+Guessed flow protos:	0
+
+DPI Packets (UDP):	10	(5.00 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:       6/20/0 (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)
+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:      0/0 (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)
+
+STUN	43	10358	2
+
+	1	UDP 10.1.0.3:5853 -> 10.10.0.1:2808 [proto: 78/STUN][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 5][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: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][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: 78/STUN][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 5][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][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][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/default/result/stun_dtls_unidirectional_client.pcap.out b/tests/cfgs/default/result/stun_dtls_unidirectional_client.pcap.out
index 9edd39028..5c41173be 100644
--- a/tests/cfgs/default/result/stun_dtls_unidirectional_client.pcap.out
+++ b/tests/cfgs/default/result/stun_dtls_unidirectional_client.pcap.out
@@ -1,12 +1,12 @@
-Guessed flow protos:	0
+Guessed flow protos:	1
 
-DPI Packets (UDP):	4	(4.00 pkts/flow)
+DPI Packets (UDP):	6	(6.00 pkts/flow)
 Confidence DPI              : 1 (flows)
 Num dissector calls: 6 (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:       0/4/0 (insert/search/found)
+LRU cache stun:       0/8/0 (insert/search/found)
 LRU cache tls_cert:   0/1/0 (insert/search/found)
 LRU cache mining:     0/0/0 (insert/search/found)
 LRU cache msteams:    0/0/0 (insert/search/found)
@@ -30,4 +30,4 @@ JA3 Host Stats:
 	1	 26.83.9.81               	 1      
 
 
-	1	UDP 26.83.9.81:57567 -> 33.35.223.103:540 [proto: 30/DTLS][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 4][6 pkts/1708 bytes -> 0 pkts/0 bytes][Goodput ratio: 85/0][1.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 1/0 232/0 299/0 116/0][Pkt Len c2s/s2c min/avg/max/stddev: 106/0 285/0 873/0 267/0][Risk: ** Known Proto on Non Std Port **** TLS (probably) Not Carrying HTTPS **** Missing SNI TLS Extn **** Unidirectional Traffic **][Risk Score: 120][Risk Info: No server to client traffic / No ALPN][DTLSv1.0][JA3C: f5eee7bc59657db39e2b9cdd401d78b7][PLAIN TEXT (ugPnBzE)][Plen Bins: 0,0,16,51,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	1	UDP 26.83.9.81:57567 -> 33.35.223.103:540 [proto: 30/DTLS][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 6][cat: Network/14][6 pkts/1708 bytes -> 0 pkts/0 bytes][Goodput ratio: 85/0][1.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 1/0 232/0 299/0 116/0][Pkt Len c2s/s2c min/avg/max/stddev: 106/0 285/0 873/0 267/0][Risk: ** Known Proto on Non Std Port **** TLS (probably) Not Carrying HTTPS **** Missing SNI TLS Extn **** Unidirectional Traffic **][Risk Score: 120][Risk Info: No server to client traffic / No ALPN][DTLSv1.0][JA3C: f5eee7bc59657db39e2b9cdd401d78b7][PLAIN TEXT (ugPnBzE)][Plen Bins: 0,0,16,51,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/stun_dtls_unidirectional_server.pcap.out b/tests/cfgs/default/result/stun_dtls_unidirectional_server.pcap.out
index 82f672fc4..45f162e20 100644
--- a/tests/cfgs/default/result/stun_dtls_unidirectional_server.pcap.out
+++ b/tests/cfgs/default/result/stun_dtls_unidirectional_server.pcap.out
@@ -1,12 +1,12 @@
-Guessed flow protos:	0
+Guessed flow protos:	1
 
-DPI Packets (UDP):	3	(3.00 pkts/flow)
+DPI Packets (UDP):	6	(6.00 pkts/flow)
 Confidence DPI              : 1 (flows)
 Num dissector calls: 6 (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:       0/4/0 (insert/search/found)
+LRU cache stun:       0/8/0 (insert/search/found)
 LRU cache tls_cert:   0/1/0 (insert/search/found)
 LRU cache mining:     0/0/0 (insert/search/found)
 LRU cache msteams:    0/0/0 (insert/search/found)
@@ -29,4 +29,4 @@ JA3 Host Stats:
 		 IP Address                  	 # JA3C     
 
 
-	1	UDP 33.35.223.103:540 -> 26.83.9.81:57567 [proto: 30/DTLS][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 3][6 pkts/1563 bytes -> 0 pkts/0 bytes][Goodput ratio: 84/0][1.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 232/0 299/0 116/0][Pkt Len c2s/s2c min/avg/max/stddev: 106/0 260/0 958/0 312/0][Risk: ** Known Proto on Non Std Port **** Self-signed Cert **** Unidirectional Traffic **][Risk Score: 160][Risk Info: No client to server traffic / CN=LiveFoundry Inc.][DTLSv1.0][JA3S: 1974c5c625e99dc22d0477079a54aed3][Issuer: CN=LiveFoundry Inc.][Subject: CN=LiveFoundry Inc.][Certificate SHA-1: 23:F4:E7:42:93:22:91:BB:A3:54:70:97:94:2A:DE:AF:26:61:18:98][Validity: 2015-08-27 09:07:05 - 2016-08-27 09:07:05][Cipher: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA][PLAIN TEXT (LiveFoundry Inc.0)][Plen Bins: 0,0,67,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	1	UDP 33.35.223.103:540 -> 26.83.9.81:57567 [proto: 30/DTLS][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 6][cat: Network/14][6 pkts/1563 bytes -> 0 pkts/0 bytes][Goodput ratio: 84/0][1.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 232/0 299/0 116/0][Pkt Len c2s/s2c min/avg/max/stddev: 106/0 260/0 958/0 312/0][Risk: ** Known Proto on Non Std Port **** Self-signed Cert **** Unidirectional Traffic **][Risk Score: 160][Risk Info: No client to server traffic / CN=LiveFoundry Inc.][DTLSv1.0][JA3S: 1974c5c625e99dc22d0477079a54aed3][Issuer: CN=LiveFoundry Inc.][Subject: CN=LiveFoundry Inc.][Certificate SHA-1: 23:F4:E7:42:93:22:91:BB:A3:54:70:97:94:2A:DE:AF:26:61:18:98][Validity: 2015-08-27 09:07:05 - 2016-08-27 09:07:05][Cipher: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA][PLAIN TEXT (LiveFoundry Inc.0)][Plen Bins: 0,0,67,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/stun_zoom.pcapng.out b/tests/cfgs/default/result/stun_zoom.pcapng.out
index 33d4614a9..172308c30 100644
--- a/tests/cfgs/default/result/stun_zoom.pcapng.out
+++ b/tests/cfgs/default/result/stun_zoom.pcapng.out
@@ -6,7 +6,7 @@ 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:       0/18/0 (insert/search/found)
+LRU cache stun:       0/24/0 (insert/search/found)
 LRU cache tls_cert:   0/4/0 (insert/search/found)
 LRU cache mining:     0/0/0 (insert/search/found)
 LRU cache msteams:    0/0/0 (insert/search/found)
diff --git a/tests/cfgs/enable_stun_monitoring_with_subproto/pcap/stun_dtls_rtp.pcapng b/tests/cfgs/enable_stun_monitoring_with_subproto/pcap/stun_dtls_rtp.pcapng
new file mode 120000
index 000000000..d30bde120
--- /dev/null
+++ b/tests/cfgs/enable_stun_monitoring_with_subproto/pcap/stun_dtls_rtp.pcapng
@@ -0,0 +1 @@
+../../default/pcap/stun_dtls_rtp.pcapng
\ No newline at end of file
diff --git a/tests/cfgs/enable_stun_monitoring_with_subproto/pcap/stun_dtls_rtp_unidir.pcapng b/tests/cfgs/enable_stun_monitoring_with_subproto/pcap/stun_dtls_rtp_unidir.pcapng
new file mode 120000
index 000000000..b7223bfd0
--- /dev/null
+++ b/tests/cfgs/enable_stun_monitoring_with_subproto/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/enable_stun_monitoring_with_subproto/result/stun_dtls_rtp.pcapng.out b/tests/cfgs/enable_stun_monitoring_with_subproto/result/stun_dtls_rtp.pcapng.out
new file mode 100644
index 000000000..817890521
--- /dev/null
+++ b/tests/cfgs/enable_stun_monitoring_with_subproto/result/stun_dtls_rtp.pcapng.out
@@ -0,0 +1,33 @@
+Guessed flow protos:	0
+
+DPI Packets (UDP):	25	(25.00 pkts/flow)
+Confidence DPI              : 1 (flows)
+Num dissector calls: 6 (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:       2/0/0 (insert/search/found)
+LRU cache tls_cert:   1/2/0 (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:      1/1 (search/found)
+Automa risk mask:     0/0 (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:   1/1 (search/found)
+Patricia protocols IPv6: 0/0 (search/found)
+
+GoogleHangoutDuo	39	8413	1
+
+JA3 Host Stats: 
+		 IP Address                  	 # JA3C     
+	1	 192.168.12.156           	 1      
+
+
+	1	UDP 192.168.12.156:37967 <-> 142.250.82.76:19305 [proto: 30.201/DTLS.GoogleHangoutDuo][IP: 126/Google][Encrypted][Confidence: DPI][DPI packets: 25][cat: VoIP/10][25 pkts/4202 bytes <-> 14 pkts/4211 bytes][Goodput ratio: 75/86][0.88 sec][bytes ratio: -0.001 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 37/35 203/107 47/36][Pkt Len c2s/s2c min/avg/max/stddev: 103/82 168/301 587/1245 125/320][Risk: ** Known Proto on Non Std Port **** Self-signed Cert **** TLS (probably) Not Carrying HTTPS **** Missing SNI TLS Extn **][Risk Score: 210][Risk Info: No ALPN / CN=hangouts][DTLSv1.2][JA3C: c14667d7da3e6f7a7ab5519ef78c2452][JA3S: 1f5d6a6d0bc5d514dd84d13e6283d309][Issuer: CN=hangouts][Subject: CN=hangouts][Certificate SHA-1: AF:DD:BF:F5:59:23:0C:D1:B0:9F:B1:04:2E:89:DF:4C:1B:AB:BE:CC][Validity: 2022-11-30 17:35:18 - 2023-12-01 17:35:18][Cipher: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256][PLAIN TEXT (ShSURJhNF)][Plen Bins: 0,5,47,30,2,0,0,0,0,0,0,0,0,2,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/enable_stun_monitoring_with_subproto/result/stun_dtls_rtp_unidir.pcapng.out b/tests/cfgs/enable_stun_monitoring_with_subproto/result/stun_dtls_rtp_unidir.pcapng.out
new file mode 100644
index 000000000..631cf3843
--- /dev/null
+++ b/tests/cfgs/enable_stun_monitoring_with_subproto/result/stun_dtls_rtp_unidir.pcapng.out
@@ -0,0 +1,29 @@
+Guessed flow protos:	1
+
+DPI Packets (UDP):	39	(19.50 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:       35/78/0 (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)
+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:      0/0 (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)
+
+STUN	43	10358	2
+
+	1	UDP 10.1.0.3:5853 -> 10.10.0.1:2808 [proto: 78/STUN][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 18][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: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][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: 78/STUN][IP: 0/Unknown][ClearText][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][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **][Risk Score: 60][Risk Info: No server to client traffic][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]