Added new flow risk NDPI_HTTP_OBSOLETE_SERVER. Currently Apache and nginx are supported

13 files changed, 74 insertions, 23 deletions

diff --git a/doc/flow_risks.rst b/doc/flow_risks.rst
index 9d798bc97..936fb2550 100644
--- a/doc/flow_risks.rst
+++ b/doc/flow_risks.rst
@@ -281,7 +281,13 @@ Example: the flow is generated by an iCloud-private-relay exit node.
 
 .. _Risk 046:
 
-NDPI_UNIDIRECTIONAL_TRAFFIC_SUBSCRIBER
+NDPI_UNIDIRECTIONAL_TRAFFIC
 ===================================
 The risk is set whenever the flow has unidirectional traffic (typically no traffic on the server to client direction). THis
 risk is not triggered for multicast/broadcast destinations.
+
+.. _Risk 047:
+
+NDPI_HTTP_OBSOLETE_SERVER
+===================================
+This risk is generated whenever a HTTP server uses an obsolete HTTP server version.
diff --git a/src/include/ndpi_typedefs.h b/src/include/ndpi_typedefs.h
index b0bff8bb1..e6cc194e5 100644
--- a/src/include/ndpi_typedefs.h
+++ b/src/include/ndpi_typedefs.h
@@ -120,7 +120,8 @@ typedef enum {
   NDPI_UNIDIRECTIONAL_TRAFFIC, /* NOTE: as nDPI can detect a protocol with one packet, make sure
 				  your app will clear this risk if future packets (not sent to nDPI)
 				  are received in the opposite direction */
-  
+
+  NDPI_HTTP_OBSOLETE_SERVER,
   /* Leave this as last member */
   NDPI_MAX_RISK /* must be <= 63 due to (**) */
 } ndpi_risk_enum;
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index 6061d6419..7c3f63d64 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -165,7 +165,8 @@ static ndpi_risk_info ndpi_known_risks[] = {
   { NDPI_HTTP_CRAWLER_BOT,                      NDPI_RISK_LOW,    CLIENT_LOW_RISK_PERCENTAGE,  NDPI_CLIENT_ACCOUNTABLE },
   { NDPI_ANONYMOUS_SUBSCRIBER,                  NDPI_RISK_MEDIUM, CLIENT_FAIR_RISK_PERCENTAGE, NDPI_CLIENT_ACCOUNTABLE },
   { NDPI_UNIDIRECTIONAL_TRAFFIC,                NDPI_RISK_LOW,    CLIENT_FAIR_RISK_PERCENTAGE, NDPI_CLIENT_ACCOUNTABLE },
-
+  { NDPI_HTTP_OBSOLETE_SERVER,                  NDPI_RISK_MEDIUM, CLIENT_LOW_RISK_PERCENTAGE,  NDPI_SERVER_ACCOUNTABLE },
+  
   /* Leave this as last member */
   { NDPI_MAX_RISK,                              NDPI_RISK_LOW,    CLIENT_FAIR_RISK_PERCENTAGE, NDPI_NO_ACCOUNTABILITY   }
 };
diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index 7a34b0b76..9d5ea70bc 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -1934,6 +1934,10 @@ const char* ndpi_risk2str(ndpi_risk_enum risk) {
     return("Unidirectional Traffic");
     break;
 
+  case NDPI_HTTP_OBSOLETE_SERVER:
+    return("HTTP Obsolete Server");
+    break;
+
   default:
     ndpi_snprintf(buf, sizeof(buf), "%d", (int)risk);
     return(buf);
diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c
index 80c4c8041..34c6f5594 100644
--- a/src/lib/protocols/http.c
+++ b/src/lib/protocols/http.c
@@ -636,6 +636,47 @@ static void ndpi_check_http_url(struct ndpi_detection_module_struct *ndpi_struct
 
 /* ************************************************************* */
 
+#define MIN_APACHE_VERSION 2004000 /* 2.4.X  [https://endoflife.date/apache] */
+#define MIN_NGINX_VERSION  1022000 /* 1.22.0 [https://endoflife.date/nginx]  */
+
+static void ndpi_check_http_server(struct ndpi_detection_module_struct *ndpi_struct,
+				   struct ndpi_flow_struct *flow,
+				   const char *server, u_int server_len) {
+  if(server_len > 7) {
+    u_int off;
+  
+    if(strncmp((const char *)server, "ntopng ", 7) == 0) {
+      ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_NTOP, NDPI_PROTOCOL_HTTP, NDPI_CONFIDENCE_DPI);
+      NDPI_CLR_BIT(flow->risk, NDPI_KNOWN_PROTOCOL_ON_NON_STANDARD_PORT);
+    } else if((strncasecmp(server, "Apache/", off = 7) == 0) /* X.X.X */
+	      || (strncasecmp(server, "nginx/", off = 6) == 0) /* X.X.X */) {
+      u_int i, j, a, b, c;
+      char buf[16] = { '\0' };
+
+      for(i=off, j=0; (i<server_len) && (server[i] != ' ') && (j<sizeof(buf)); i++)
+	buf[j++] = server[i];      
+
+      if(sscanf(buf, "%d.%d.%d", &a, &b, &c) == 3) {
+	u_int32_t version = (a * 1000000) + (b * 1000) + c;
+
+	if((off == 7) && (version < MIN_APACHE_VERSION)) {
+	  char msg[64];
+
+	  snprintf(msg, sizeof(msg), "Obsolete Apache server %s", buf);
+	  ndpi_set_risk(ndpi_struct, flow, NDPI_HTTP_OBSOLETE_SERVER, msg);
+	} else if((off == 6) && (version < MIN_NGINX_VERSION)) {
+	  char msg[64];
+
+	  snprintf(msg, sizeof(msg), "Obsolete nginx server %s", buf);
+	  ndpi_set_risk(ndpi_struct, flow, NDPI_HTTP_OBSOLETE_SERVER, msg);
+	}
+      }
+    }
+  }
+}
+
+/* ************************************************************* */
+
 /**
    NOTE
    ndpi_parse_packet_line_info is in ndpi_main.c
@@ -699,13 +740,9 @@ static void check_content_type_and_change_protocol(struct ndpi_detection_module_
     }
   }
 
-  if(packet->server_line.ptr != NULL && (packet->server_line.len > 7)) {
-    if(strncmp((const char *)packet->server_line.ptr, "ntopng ", 7) == 0) {
-      ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_NTOP, NDPI_PROTOCOL_HTTP, NDPI_CONFIDENCE_DPI);
-      NDPI_CLR_BIT(flow->risk, NDPI_KNOWN_PROTOCOL_ON_NON_STANDARD_PORT);
-    }
-  }
-
+  if(packet->server_line.ptr != NULL)
+    ndpi_check_http_server(ndpi_struct, flow, (const char *)packet->server_line.ptr, packet->server_line.len);
+ 
   if(packet->user_agent_line.ptr != NULL && packet->user_agent_line.len != 0) {
     ret = http_process_user_agent(ndpi_struct, flow, packet->user_agent_line.ptr, packet->user_agent_line.len);
     /* TODO: Is it correct to avoid setting ua, host_name,... if we have a (Netflix) subclassification? */
diff --git a/tests/result/exe_download.pcap.out b/tests/result/exe_download.pcap.out
index 63d523290..558ba046c 100644
--- a/tests/result/exe_download.pcap.out
+++ b/tests/result/exe_download.pcap.out
@@ -21,4 +21,4 @@ Patricia protocols:   2/0 (search/found)
 
 HTTP	703	717463	1
 
-	1	TCP 10.9.25.101:49165 <-> 144.91.69.195:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Download/7][203 pkts/11127 bytes <-> 500 pkts/706336 bytes][Goodput ratio: 1/96][5.18 sec][Hostname/SNI: 144.91.69.195][bytes ratio: -0.969 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 23/9 319/365 49/37][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 55/1413 207/1514 11/134][URL: 144.91.69.195/solar.php][StatusCode: 200][Content-Type: application/octet-stream][User-Agent: pwtyyEKzNtGatwnJjmCcBLbOveCVpc][Risk: ** Binary App Transfer **** HTTP Suspicious User-Agent **** HTTP Numeric IP Address **][Risk Score: 360][Risk Info: Found host 144.91.69.195 / UA pwtyyEKzNtGatwnJjmCcBLbOveCVpc / Found mime exe octet-stream][PLAIN TEXT (GET /solar.php HTTP/1.1)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,2,0,0,7,0,0,63,0,0,24,0,0]
+	1	TCP 10.9.25.101:49165 <-> 144.91.69.195:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Download/7][203 pkts/11127 bytes <-> 500 pkts/706336 bytes][Goodput ratio: 1/96][5.18 sec][Hostname/SNI: 144.91.69.195][bytes ratio: -0.969 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 23/9 319/365 49/37][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 55/1413 207/1514 11/134][URL: 144.91.69.195/solar.php][StatusCode: 200][Content-Type: application/octet-stream][User-Agent: pwtyyEKzNtGatwnJjmCcBLbOveCVpc][Risk: ** Binary App Transfer **** HTTP Suspicious User-Agent **** HTTP Numeric IP Address **** HTTP Obsolete Server **][Risk Score: 410][Risk Info: Found host 144.91.69.195 / UA pwtyyEKzNtGatwnJjmCcBLbOveCVpc / Obsolete nginx server 1.10.3 / Found mime exe octet-stream][PLAIN TEXT (GET /solar.php HTTP/1.1)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,2,0,0,7,0,0,63,0,0,24,0,0]
diff --git a/tests/result/exe_download_as_png.pcap.out b/tests/result/exe_download_as_png.pcap.out
index 9c62f7a20..03f1e9279 100644
--- a/tests/result/exe_download_as_png.pcap.out
+++ b/tests/result/exe_download_as_png.pcap.out
@@ -21,4 +21,4 @@ Patricia protocols:   2/0 (search/found)
 
 HTTP	534	529449	1
 
-	1	TCP 10.9.25.101:49197 <-> 185.98.87.185:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][163 pkts/9113 bytes <-> 371 pkts/520336 bytes][Goodput ratio: 3/96][69.52 sec][Hostname/SNI: 185.98.87.185][bytes ratio: -0.966 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 623/25 60010/4824 5733/276][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 56/1403 204/1514 16/164][URL: 185.98.87.185/tablone.png][StatusCode: 200][Content-Type: image/png][User-Agent: WinHTTP loader/1.0][Risk: ** Binary App Transfer **** HTTP Numeric IP Address **][Risk Score: 260][Risk Info: Found host 185.98.87.185 / Found Windows Exe][PLAIN TEXT (GET /tablone.png HTTP/1.1)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,10,0,0,71,0,0,16,0,0]
+	1	TCP 10.9.25.101:49197 <-> 185.98.87.185:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][163 pkts/9113 bytes <-> 371 pkts/520336 bytes][Goodput ratio: 3/96][69.52 sec][Hostname/SNI: 185.98.87.185][bytes ratio: -0.966 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 623/25 60010/4824 5733/276][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 56/1403 204/1514 16/164][URL: 185.98.87.185/tablone.png][StatusCode: 200][Content-Type: image/png][User-Agent: WinHTTP loader/1.0][Risk: ** Binary App Transfer **** HTTP Numeric IP Address **** HTTP Obsolete Server **][Risk Score: 310][Risk Info: Found host 185.98.87.185 / Obsolete nginx server 1.10.3 / Found Windows Exe][PLAIN TEXT (GET /tablone.png HTTP/1.1)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,10,0,0,71,0,0,16,0,0]
diff --git a/tests/result/ookla.pcap.out b/tests/result/ookla.pcap.out
index b3cfc97a5..1e19ef6b4 100644
--- a/tests/result/ookla.pcap.out
+++ b/tests/result/ookla.pcap.out
@@ -23,4 +23,4 @@ Patricia protocols:   4/0 (search/found)
 Ookla	5086	4689745	2
 
 	1	TCP 192.168.1.7:51215 <-> 46.44.253.187:8080 [proto: 191/Ookla][IP: 0/Unknown][ClearText][Confidence: DPI (cache)][cat: Network/14][2202 pkts/1032520 bytes <-> 2864 pkts/3652905 bytes][Goodput ratio: 86/95][40.14 sec][bytes ratio: -0.559 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 15/11 2086/2226 59/54][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 469/1275 1506/1506 642/527][PLAIN TEXT ( 6HELLO 2.4 2016)][Plen Bins: 28,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,70,0,0]
-	2	TCP 192.168.1.7:51207 <-> 46.44.253.187:80 [proto: 7.191/HTTP.Ookla][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][12 pkts/2238 bytes <-> 8 pkts/2082 bytes][Goodput ratio: 64/74][5.33 sec][bytes ratio: 0.036 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/4 528/47 5005/84 1493/28][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 186/260 430/523 168/194][PLAIN TEXT (GET /crossdomain.xml HTTP/1.1)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,12,75,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	2	TCP 192.168.1.7:51207 <-> 46.44.253.187:80 [proto: 7.191/HTTP.Ookla][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][12 pkts/2238 bytes <-> 8 pkts/2082 bytes][Goodput ratio: 64/74][5.33 sec][bytes ratio: 0.036 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/4 528/47 5005/84 1493/28][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 186/260 430/523 168/194][Risk: ** HTTP Obsolete Server **][Risk Score: 50][Risk Info: Obsolete Apache server 2.2.22][PLAIN TEXT (GET /crossdomain.xml HTTP/1.1)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,12,75,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/result/pps.pcap.out b/tests/result/pps.pcap.out
index 15f3ff583..b1be3d40f 100644
--- a/tests/result/pps.pcap.out
+++ b/tests/result/pps.pcap.out
@@ -93,11 +93,11 @@ Cybersec	23	25892	1
 	62	TCP 192.168.115.8:50483 <-> 202.108.14.219:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Streaming/17][1 pkts/417 bytes <-> 1 pkts/199 bytes][Goodput ratio: 87/73][0.09 sec][Hostname/SNI: msg.71.am][URL: msg.71.am/core?t=1503291&type=vs&uuid=aaoefdtqgfdepxc2tnv3piucgcb4eofn&area=OVERSEA|TW_HiNet&from=BS_High&to=BS_Standard&player_switch_bs_time=41714&average_download_speed_=158515.200000][StatusCode: 200][User-Agent: QY-Player-Windows/2.0.102][PLAIN TEXT (GET /core)][Plen Bins: 0,0,0,0,50,0,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	63	TCP 192.168.115.8:50776 <-> 111.206.22.77:80 [proto: 7.54/HTTP.PPStream][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Streaming/17][1 pkts/394 bytes <-> 1 pkts/194 bytes][Goodput ratio: 86/72][0.09 sec][Hostname/SNI: msg.iqiyi.com][URL: msg.iqiyi.com/b?t=11&pf=201&p=11&p1=114&s1=0&ct=140819_adsyn&adsyn=1&brinfo=IE_IE9_9.0.8112.16421_1&os=Windows%207&rn=19252&u=aaoefdtqgfdepxc2tnv3piucgcb4eofn&v=5.2.15.2240][StatusCode: 200][User-Agent: Qiyi List Client PC 5.2.15.2240][PLAIN TEXT (GET /b)][Plen Bins: 0,0,0,0,50,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	64	TCP 192.168.115.8:50765 <-> 36.110.220.15:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][1 pkts/264 bytes <-> 1 pkts/199 bytes][Goodput ratio: 79/73][0.07 sec][Hostname/SNI: msg.video.qiyi.com][URL: msg.video.qiyi.com/tmpstats.gif?method=qiubiter&os=windows-6.1.7601_sp1&uuid=350C3F1AC75D40bc90D602DA4E67A72D&softversion=1.0.0.1&source=pps&tasktype=gettaskinfo][StatusCode: 200][User-Agent: QIYiAngent][PLAIN TEXT (GET /tmpstats.gif)][Plen Bins: 0,0,0,0,50,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	65	TCP 202.108.14.219:80 -> 192.168.115.8:50295 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][2 pkts/398 bytes -> 0 pkts/0 bytes][Goodput ratio: 73/0][0.07 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][PLAIN TEXT (HTTP/1.1 200 OK)][Plen Bins: 0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	65	TCP 202.108.14.219:80 -> 192.168.115.8:50295 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][2 pkts/398 bytes -> 0 pkts/0 bytes][Goodput ratio: 73/0][0.07 sec][Risk: ** Unidirectional Traffic **** HTTP Obsolete Server **][Risk Score: 60][Risk Info: No client to server traffic / Obsolete nginx server 1.4.7][PLAIN TEXT (HTTP/1.1 200 OK)][Plen Bins: 0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	66	UDP 192.168.5.48:63930 -> 239.255.255.250:1900 [proto: 12/SSDP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: System/18][2 pkts/358 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][3.00 sec][Hostname/SNI: 239.255.255.250:1900][PLAIN TEXT (SEARCH )][Plen Bins: 0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	67	TCP 117.79.81.135:80 -> 192.168.115.8:50443 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][1 pkts/347 bytes -> 0 pkts/0 bytes][Goodput ratio: 84/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][PLAIN TEXT (HTTP/1.1 302 Found)][Plen Bins: 0,0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	68	TCP 192.168.115.8:50781 -> 223.26.106.20:80 [proto: 7.54/HTTP.PPStream][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Streaming/17][1 pkts/303 bytes -> 0 pkts/0 bytes][Goodput ratio: 82/0][< 1 sec][Hostname/SNI: preimage1.qiyipic.com][URL: preimage1.qiyipic.com/preimage/20160506/f0/1f/v_110359998_m_611_160_90_3.jpg?no=3][StatusCode: 0][User-Agent: Qiyi List Client PC 5.2.15.2240][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][PLAIN TEXT (GET /preimage/20160506/f0/1)][Plen Bins: 0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	69	TCP 202.108.14.219:80 -> 192.168.115.8:50506 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][1 pkts/199 bytes -> 0 pkts/0 bytes][Goodput ratio: 73/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][PLAIN TEXT (HTTP/1.1 200 OK)][Plen Bins: 0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	69	TCP 202.108.14.219:80 -> 192.168.115.8:50506 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][1 pkts/199 bytes -> 0 pkts/0 bytes][Goodput ratio: 73/0][< 1 sec][Risk: ** Unidirectional Traffic **** HTTP Obsolete Server **][Risk Score: 60][Risk Info: No client to server traffic / Obsolete nginx server 1.4.7][PLAIN TEXT (HTTP/1.1 200 OK)][Plen Bins: 0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	70	UDP 192.168.5.63:60976 -> 239.255.255.250:1900 [proto: 12/SSDP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: System/18][1 pkts/165 bytes -> 0 pkts/0 bytes][Goodput ratio: 74/0][< 1 sec][Hostname/SNI: 239.255.255.250:1900][PLAIN TEXT (SEARCH )][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]
 	71	UDP 192.168.5.63:39383 -> 239.255.255.250:1900 [proto: 12/SSDP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: System/18][1 pkts/130 bytes -> 0 pkts/0 bytes][Goodput ratio: 67/0][< 1 sec][Hostname/SNI: 239.255.255.250:1900][PLAIN TEXT (SEARCH )][Plen Bins: 0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	72	TCP 192.168.115.8:50462 -> 202.108.14.236:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: Match by port][cat: Web/5][2 pkts/108 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][0.00 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/result/starcraft_battle.pcap.out b/tests/result/starcraft_battle.pcap.out
index 0ed95add2..3aeae96ec 100644
--- a/tests/result/starcraft_battle.pcap.out
+++ b/tests/result/starcraft_battle.pcap.out
@@ -17,7 +17,7 @@ LRU cache msteams:    0/0/0 (insert/search/found)
 Automa host:          41/2 (search/found)
 Automa domain:        41/0 (search/found)
 Automa tls cert:      0/0 (search/found)
-Automa risk mask:     4/0 (search/found)
+Automa risk mask:     5/0 (search/found)
 Automa common alpns:  0/0 (search/found)
 Patricia risk mask:   100/0 (search/found)
 Patricia risk:        0/0 (search/found)
@@ -53,7 +53,7 @@ Starcraft	236	51494	6
 	18	TCP 192.168.1.100:3523 <-> 80.239.186.26:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][6 pkts/483 bytes <-> 4 pkts/725 bytes][Goodput ratio: 30/68][0.31 sec][Hostname/SNI: nydus.battle.net][bytes ratio: -0.200 (Download)][IAT c2s/s2c min/avg/max/stddev: 9/0 61/32 111/65 33/32][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 80/181 201/545 54/210][URL: nydus.battle.net/S2/enGB/client/feed/live-event?build=enGB&targetRegion=EU][StatusCode: 302][Content-Type: text/html][User-Agent: Battle.net Web Client][PLAIN TEXT (GET /S2/enGB/client/feed/live)][Plen Bins: 0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	19	TCP 192.168.1.100:3519 <-> 80.239.186.21:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][5 pkts/482 bytes <-> 4 pkts/497 bytes][Goodput ratio: 41/53][0.17 sec][Hostname/SNI: eu.launcher.battle.net][bytes ratio: -0.015 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 43/29 58/58 25/29][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 96/124 254/317 79/111][URL: eu.launcher.battle.net/service/s2/alert/en-gb][StatusCode: 200][Content-Type: text/plain][User-Agent: Battle.net Web Client][PLAIN TEXT (GET /service/s2/alert/en)][Plen Bins: 0,0,0,0,0,0,50,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	20	TCP 192.168.1.100:3427 <-> 80.239.208.193:1119 [proto: 213/Starcraft][IP: 0/Unknown][ClearText][Confidence: Match by port][cat: Game/8][6 pkts/376 bytes <-> 7 pkts/526 bytes][Goodput ratio: 14/22][10.56 sec][bytes ratio: -0.166 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 2624/2614 6381/6342 2711/2730][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 63/75 74/155 9/33][Plen Bins: 80,0,0,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	21	TCP 192.168.1.100:3512 <-> 12.129.222.54:80 [proto: 7.76/HTTP.WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][5 pkts/367 bytes <-> 4 pkts/513 bytes][Goodput ratio: 23/53][0.60 sec][Hostname/SNI: us.scan.worldofwarcraft.com][bytes ratio: -0.166 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 9/0 148/102 198/203 80/102][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 73/128 139/327 33/115][URL: us.scan.worldofwarcraft.com/update/Launcher.txt][StatusCode: 200][Content-Type: text/plain][PLAIN TEXT (GET /update/Launcher.txt HTTP/1)][Plen Bins: 0,0,50,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	21	TCP 192.168.1.100:3512 <-> 12.129.222.54:80 [proto: 7.76/HTTP.WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][5 pkts/367 bytes <-> 4 pkts/513 bytes][Goodput ratio: 23/53][0.60 sec][Hostname/SNI: us.scan.worldofwarcraft.com][bytes ratio: -0.166 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 9/0 148/102 198/203 80/102][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 73/128 139/327 33/115][URL: us.scan.worldofwarcraft.com/update/Launcher.txt][StatusCode: 200][Content-Type: text/plain][Risk: ** HTTP Obsolete Server **][Risk Score: 50][Risk Info: Obsolete Apache server 2.2.3][PLAIN TEXT (GET /update/Launcher.txt HTTP/1)][Plen Bins: 0,0,50,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	22	UDP 192.168.1.100:55468 <-> 192.168.1.254:53 [proto: 5/DNS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][2 pkts/168 bytes <-> 2 pkts/388 bytes][Goodput ratio: 50/78][0.09 sec][Hostname/SNI: bnetcmsus-a.akamaihd.net][2.228.46.112][PLAIN TEXT (bnetcmsus)][Plen Bins: 0,50,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	23	UDP 192.168.1.100:58851 <-> 192.168.1.254:53 [proto: 5/DNS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][2 pkts/173 bytes <-> 2 pkts/282 bytes][Goodput ratio: 51/70][0.05 sec][Hostname/SNI: 110.212.58.216.in-addr.arpa][::][Plen Bins: 0,50,25,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	24	UDP 192.168.1.100:60026 <-> 192.168.1.254:53 [proto: 5/DNS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][2 pkts/154 bytes <-> 2 pkts/288 bytes][Goodput ratio: 45/71][0.08 sec][Hostname/SNI: llnw.blizzard.com][87.248.221.254][Risk: ** Suspicious DGA Domain name **** Risky Domain Name **][Risk Score: 150][Risk Info: llnw.blizzard.com / DGA Name Query with no Error Code][PLAIN TEXT (blizzard)][Plen Bins: 0,50,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/result/webex.pcap.out b/tests/result/webex.pcap.out
index 935bc9b1f..998d4bde3 100644
--- a/tests/result/webex.pcap.out
+++ b/tests/result/webex.pcap.out
@@ -16,7 +16,7 @@ LRU cache msteams:    0/0/0 (insert/search/found)
 Automa host:          44/30 (search/found)
 Automa domain:        44/0 (search/found)
 Automa tls cert:      1/0 (search/found)
-Automa risk mask:     5/0 (search/found)
+Automa risk mask:     7/0 (search/found)
 Automa common alpns:  0/0 (search/found)
 Patricia risk mask:   132/0 (search/found)
 Patricia risk:        0/0 (search/found)
@@ -68,9 +68,9 @@ JA3 Host Stats:
 	32	TCP 10.8.0.1:33553 <-> 80.74.110.68:443 [proto: 91/TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][cat: Web/5][10 pkts/1388 bytes <-> 10 pkts/1087 bytes][Goodput ratio: 60/50][13.16 sec][bytes ratio: 0.122 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 1644/1879 10453/11491 3421/3952][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 139/109 590/472 163/127][Risk: ** Obsolete TLS (v1.1 or older) **** Malicious JA3 Fingerp. **][Risk Score: 150][Risk Info: TLSv1 / dff8a0aa1c904aaea76c5bf624e88333][TLSv1][JA3C: dff8a0aa1c904aaea76c5bf624e88333][JA3S: 6dfe5eb347aa509fc445e5628d467a2b (INSECURE)][Cipher: TLS_RSA_WITH_RC4_128_MD5][Plen Bins: 28,14,0,0,14,0,14,0,0,0,0,0,0,14,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	33	TCP 10.8.0.1:33512 <-> 80.74.110.68:443 [proto: 91/TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][cat: Web/5][9 pkts/1357 bytes <-> 9 pkts/615 bytes][Goodput ratio: 63/21][59.53 sec][bytes ratio: 0.376 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 8504/9920 59268/59268 20725/22069][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 151/68 590/183 168/41][Risk: ** Obsolete TLS (v1.1 or older) **** Malicious JA3 Fingerp. **][Risk Score: 150][Risk Info: TLSv1 / dff8a0aa1c904aaea76c5bf624e88333][TLSv1][JA3C: dff8a0aa1c904aaea76c5bf624e88333][JA3S: 6dfe5eb347aa509fc445e5628d467a2b (INSECURE)][Cipher: TLS_RSA_WITH_RC4_128_MD5][Plen Bins: 16,34,0,0,16,0,16,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	34	TCP 10.8.0.1:33554 <-> 80.74.110.68:443 [proto: 91/TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][cat: Web/5][9 pkts/1357 bytes <-> 9 pkts/615 bytes][Goodput ratio: 63/21][13.15 sec][bytes ratio: 0.376 (Upload)][IAT c2s/s2c min/avg/max/stddev: 1/1 1877/2190 12884/12885 4494/4783][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 151/68 590/183 168/41][Risk: ** Obsolete TLS (v1.1 or older) **** Malicious JA3 Fingerp. **][Risk Score: 150][Risk Info: TLSv1 / dff8a0aa1c904aaea76c5bf624e88333][TLSv1][JA3C: dff8a0aa1c904aaea76c5bf624e88333][JA3S: 6dfe5eb347aa509fc445e5628d467a2b (INSECURE)][Cipher: TLS_RSA_WITH_RC4_128_MD5][Plen Bins: 16,34,0,0,16,0,16,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	35	TCP 10.8.0.1:59756 <-> 78.46.237.91:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][6 pkts/970 bytes <-> 6 pkts/821 bytes][Goodput ratio: 64/60][41.15 sec][Hostname/SNI: cp.pushwoosh.com][bytes ratio: 0.083 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 8230/114 40802/243 16286/100][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 162/137 590/551 194/185][URL: cp.pushwoosh.com/json/1.3/registerDevice][StatusCode: 200][Req Content-Type: application/json][Content-Type: application/json][User-Agent: Dalvik/1.6.0 (Linux; U; Android 4.4.2; LG-D855 Build/KVT49L.A1412087656)][PLAIN TEXT (POST /j)][Plen Bins: 0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,33,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	35	TCP 10.8.0.1:59756 <-> 78.46.237.91:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][6 pkts/970 bytes <-> 6 pkts/821 bytes][Goodput ratio: 64/60][41.15 sec][Hostname/SNI: cp.pushwoosh.com][bytes ratio: 0.083 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 8230/114 40802/243 16286/100][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 162/137 590/551 194/185][URL: cp.pushwoosh.com/json/1.3/registerDevice][StatusCode: 200][Req Content-Type: application/json][Content-Type: application/json][User-Agent: Dalvik/1.6.0 (Linux; U; Android 4.4.2; LG-D855 Build/KVT49L.A1412087656)][Risk: ** HTTP Obsolete Server **][Risk Score: 50][Risk Info: Obsolete nginx server 1.6.3][PLAIN TEXT (POST /j)][Plen Bins: 0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,33,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	36	TCP 10.8.0.1:33559 <-> 80.74.110.68:443 [proto: 91/TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][cat: Web/5][7 pkts/1280 bytes <-> 6 pkts/453 bytes][Goodput ratio: 69/28][1.57 sec][bytes ratio: 0.477 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/0 314/390 1555/1504 621/643][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 183/76 590/183 180/48][Risk: ** Obsolete TLS (v1.1 or older) **** Malicious JA3 Fingerp. **][Risk Score: 150][Risk Info: TLSv1 / dff8a0aa1c904aaea76c5bf624e88333][TLSv1][JA3C: dff8a0aa1c904aaea76c5bf624e88333][JA3S: 6dfe5eb347aa509fc445e5628d467a2b (INSECURE)][Cipher: TLS_RSA_WITH_RC4_128_MD5][Plen Bins: 0,20,20,0,20,0,20,0,0,0,0,0,0,0,0,0,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	37	TCP 10.8.0.1:59757 <-> 78.46.237.91:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][5 pkts/624 bytes <-> 5 pkts/767 bytes][Goodput ratio: 53/65][41.15 sec][Hostname/SNI: cp.pushwoosh.com][bytes ratio: -0.103 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 5/105 10286/13713 40778/40779 17605/19138][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 125/153 388/551 132/199][URL: cp.pushwoosh.com/json/1.3/applicationOpen][StatusCode: 200][Req Content-Type: application/json][Content-Type: application/json][User-Agent: Dalvik/1.6.0 (Linux; U; Android 4.4.2; LG-D855 Build/KVT49L.A1412087656)][PLAIN TEXT (POST /j)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,50,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	37	TCP 10.8.0.1:59757 <-> 78.46.237.91:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][5 pkts/624 bytes <-> 5 pkts/767 bytes][Goodput ratio: 53/65][41.15 sec][Hostname/SNI: cp.pushwoosh.com][bytes ratio: -0.103 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 5/105 10286/13713 40778/40779 17605/19138][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 125/153 388/551 132/199][URL: cp.pushwoosh.com/json/1.3/applicationOpen][StatusCode: 200][Req Content-Type: application/json][Content-Type: application/json][User-Agent: Dalvik/1.6.0 (Linux; U; Android 4.4.2; LG-D855 Build/KVT49L.A1412087656)][Risk: ** HTTP Obsolete Server **][Risk Score: 50][Risk Info: Obsolete nginx server 1.6.3][PLAIN TEXT (POST /j)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,50,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	38	TCP 10.8.0.1:41350 <-> 64.68.105.103:443 [proto: 91.141/TLS.Webex][IP: 141/Webex][Encrypted][Confidence: DPI][cat: VoIP/10][6 pkts/614 bytes <-> 5 pkts/399 bytes][Goodput ratio: 44/32][0.51 sec][Hostname/SNI: radcom.webex.com][bytes ratio: 0.212 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/4 101/149 442/392 172/173][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 102/80 281/146 81/36][Risk: ** TLS (probably) Not Carrying HTTPS **][Risk Score: 10][Risk Info: No ALPN][TLSv1.2][JA3C: f9010d8c34749bdf7659b52227e6f91b][JA3S: c253ec3ad88e42f8da4032682892f9a0 (INSECURE)][Firefox][Cipher: TLS_RSA_WITH_RC4_128_MD5][Plen Bins: 0,50,25,0,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	39	TCP 10.8.0.1:41351 <-> 64.68.105.103:443 [proto: 91.141/TLS.Webex][IP: 141/Webex][Encrypted][Confidence: DPI][cat: VoIP/10][5 pkts/560 bytes <-> 4 pkts/345 bytes][Goodput ratio: 48/37][0.45 sec][Hostname/SNI: radcom.webex.com][bytes ratio: 0.238 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/1 112/148 444/442 192/208][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 112/86 281/183 86/56][Risk: ** TLS (probably) Not Carrying HTTPS **][Risk Score: 10][Risk Info: No ALPN][TLSv1.2][JA3C: f9010d8c34749bdf7659b52227e6f91b][JA3S: c253ec3ad88e42f8da4032682892f9a0 (INSECURE)][Firefox][Cipher: TLS_RSA_WITH_RC4_128_MD5][Plen Bins: 0,33,0,0,33,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	40	TCP 10.8.0.1:51190 <-> 62.109.224.120:443 [proto: 91/TLS][IP: 141/Webex][Encrypted][Confidence: DPI][cat: Web/5][7 pkts/501 bytes <-> 4 pkts/216 bytes][Goodput ratio: 13/0][2.03 sec][bytes ratio: 0.397 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/1 405/1 1009/1 490/0][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 72/54 117/54 21/0][Risk: ** Obsolete TLS (v1.1 or older) **][Risk Score: 100][Risk Info: TLSv1][TLSv1][JA3C: 7cb93b2404a98399e9f84c74fef1fb8f][Plen Bins: 0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/result/wow.pcap.out b/tests/result/wow.pcap.out
index 604198f61..f206540c8 100644
--- a/tests/result/wow.pcap.out
+++ b/tests/result/wow.pcap.out
@@ -13,7 +13,7 @@ LRU cache msteams:    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 risk mask:     1/0 (search/found)
 Automa common alpns:  0/0 (search/found)
 Patricia risk mask:   20/0 (search/found)
 Patricia risk:        0/0 (search/found)
@@ -22,7 +22,7 @@ Patricia protocols:   18/2 (search/found)
 WorldOfWarcraft	95	10688	5
 
 	1	TCP 192.168.178.20:39329 <-> 12.129.228.153:3724 [proto: 76/WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][10 pkts/2788 bytes <-> 6 pkts/898 bytes][Goodput ratio: 76/55][1.83 sec][bytes ratio: 0.513 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/125 121/183 537/222 182/38][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 279/150 569/467 238/143][PLAIN TEXT (WORLD OF WARCRAFT CONNECTION )][Plen Bins: 0,44,0,0,0,0,0,0,0,0,0,0,11,0,0,44,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	2	TCP 192.168.178.20:39309 <-> 12.129.222.53:80 [proto: 7.76/HTTP.WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][18 pkts/1350 bytes <-> 6 pkts/950 bytes][Goodput ratio: 13/57][11.01 sec][Hostname/SNI: us.scan.worldofwarcraft.com][bytes ratio: 0.174 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/219 733/298 8393/378 2077/80][Pkt Len c2s/s2c min/avg/max/stddev: 54/66 75/158 151/339 28/128][URL: us.scan.worldofwarcraft.com/update/Launcher.txt][StatusCode: 200][Content-Type: text/plain][PLAIN TEXT (FGET /update/Launcher.t)][Plen Bins: 0,0,50,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	2	TCP 192.168.178.20:39309 <-> 12.129.222.53:80 [proto: 7.76/HTTP.WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][18 pkts/1350 bytes <-> 6 pkts/950 bytes][Goodput ratio: 13/57][11.01 sec][Hostname/SNI: us.scan.worldofwarcraft.com][bytes ratio: 0.174 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/219 733/298 8393/378 2077/80][Pkt Len c2s/s2c min/avg/max/stddev: 54/66 75/158 151/339 28/128][URL: us.scan.worldofwarcraft.com/update/Launcher.txt][StatusCode: 200][Content-Type: text/plain][Risk: ** HTTP Obsolete Server **][Risk Score: 50][Risk Info: Obsolete Apache server 2.2.3][PLAIN TEXT (FGET /update/Launcher.t)][Plen Bins: 0,0,50,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	3	TCP 192.168.178.20:39312 <-> 24.105.29.21:80 [proto: 7.76/HTTP.WorldOfWarcraft][IP: 213/Starcraft][ClearText][Confidence: DPI][cat: Game/8][18 pkts/1156 bytes <-> 6 pkts/876 bytes][Goodput ratio: 12/62][11.13 sec][Hostname/SNI: launcher.worldofwarcraft.com][bytes ratio: 0.138 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/157 741/904 8457/1650 2112/746][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 64/146 126/598 23/202][URL: launcher.worldofwarcraft.com/alert][StatusCode: 200][Content-Type: text/plain][PLAIN TEXT (GET /alert HTTP/1.1)][Plen Bins: 0,0,66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	4	TCP 192.168.178.20:39364 <-> 12.129.228.153:3724 [proto: 76/WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][13 pkts/1076 bytes <-> 5 pkts/435 bytes][Goodput ratio: 19/22][0.88 sec][bytes ratio: 0.424 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/215 79/220 223/222 105/3][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 83/87 116/116 20/21][PLAIN TEXT (WORLD OF WARCRAFT CONNECTION )][Plen Bins: 40,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	5	TCP 192.168.178.20:39593 <-> 12.129.228.152:3724 [proto: 76/WorldOfWarcraft][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Game/8][8 pkts/728 bytes <-> 5 pkts/431 bytes][Goodput ratio: 25/22][0.91 sec][bytes ratio: 0.256 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/1 72/145 217/218 102/102][Pkt Len c2s/s2c min/avg/max/stddev: 66/66 91/86 116/116 21/22][PLAIN TEXT (WORLD OF WARCRAFT CONNECTION )][Plen Bins: 0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/wireshark/ndpi.lua b/wireshark/ndpi.lua
index 133e04d65..307b68b22 100644
--- a/wireshark/ndpi.lua
+++ b/wireshark/ndpi.lua
@@ -84,7 +84,9 @@ flow_risks[42] = ProtoField.bool("ndpi.flow_risk.punycode_idn", "IDN Domain Name
 flow_risks[43] = ProtoField.bool("ndpi.flow_risk.error_code_detected", "Error Code Detected", num_bits_flow_risks, nil, bit(11), "nDPI Flow Risk: Error Code Detected")
 flow_risks[44] = ProtoField.bool("ndpi.flow_risk.crawler_bot", "Crawler/Bot Detected", num_bits_flow_risks, nil, bit(12), "nDPI Flow Risk: Crawler/Bot Detected")
 flow_risks[45] = ProtoField.bool("ndpi.flow_risk.anonymous_subscriber", "Anonymous Subscriber", num_bits_flow_risks, nil, bit(13), "nDPI Flow Risk: Anonymous Subscriber")
-flow_risks[46] = ProtoField.bool("ndpi.flow_risk.unidirectional_traffic", "Unidirectional Traffic", num_bits_flow_risks, nil, bit(13), "nDPI Flow Risk: Unidirectional Traffi")
+flow_risks[46] = ProtoField.bool("ndpi.flow_risk.unidirectional_traffic", "Unidirectional Traffic", num_bits_flow_risks, nil, bit(14), "nDPI Flow Risk: Unidirectional Traffi")
+flow_risks[47] = ProtoField.bool("ndpi.flow_risk.http_obsolete_server", "Obsolete HTTP Server", num_bits_flow_risks, nil, bit(15), "nDPI Flow Risk: Obsolete HTTP Server")
+
 
 -- Last one: keep in sync the bitmask when adding new risks!!
 flow_risks[64] = ProtoField.new("Unused", "ndpi.flow_risk.unused", ftypes.UINT32, nil, base.HEX, bit(32) - bit(13))