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https://github.com/vel21ripn/nDPI.git
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a7c2734b38
Basically: * "classification by-ip" (i.e. `flow->guessed_protocol_id_by_ip` is NEVER returned in the protocol stack (i.e. `flow->detected_protocol_stack[]`); * if the application is interested into such information, it can access `ndpi_protocol->protocol_by_ip` itself. There are mainly 4 points in the code that set the "classification by-ip" in the protocol stack: the generic `ndpi_set_detected_protocol()`/ `ndpi_detection_giveup()` functions and the HTTP/STUN dissectors. In the unit tests output, a print about `ndpi_protocol->protocol_by_ip` has been added for each flow: the huge diff of this commit is mainly due to that. Strictly speaking, this change is NOT an API/ABI breakage, but there are important differences in the classification results. For examples: * TLS flows without the initial handshake (or without a matching SNI/certificate) are simply classified as `TLS`; * similar for HTTP or QUIC flows; * DNS flows without a matching request domain are simply classified as `DNS`; we don't have `DNS/Google` anymore just because the server is 8.8.8.8 (that was an outrageous behaviour...); * flows previusoly classified only "by-ip" are now classified as `NDPI_PROTOCOL_UNKNOWN`. See #1425 for other examples of why adding the "classification by-ip" in the protocol stack is a bad idea. Please, note that IPV6 is not supported :( (long standing issue in nDPI) i.e. `ndpi_protocol->protocol_by_ip` wil be always `NDPI_PROTOCOL_UNKNOWN` for IPv6 flows. Define `NDPI_CONFIDENCE_MATCH_BY_IP` has been removed. Close #1687
27 lines
2.7 KiB
Text
27 lines
2.7 KiB
Text
Guessed flow protos: 0
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DPI Packets (TCP): 4 (1.00 pkts/flow)
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Confidence DPI : 4 (flows)
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Num dissector calls: 4 (1.00 diss/flow)
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LRU cache ookla: 0/0/0 (insert/search/found)
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LRU cache bittorrent: 0/0/0 (insert/search/found)
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LRU cache zoom: 0/0/0 (insert/search/found)
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LRU cache stun: 0/0/0 (insert/search/found)
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LRU cache tls_cert: 0/0/0 (insert/search/found)
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LRU cache mining: 0/0/0 (insert/search/found)
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LRU cache msteams: 0/0/0 (insert/search/found)
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Automa host: 0/0 (search/found)
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Automa domain: 0/0 (search/found)
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Automa tls cert: 0/0 (search/found)
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Automa risk mask: 0/0 (search/found)
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Automa common alpns: 0/0 (search/found)
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Patricia risk mask: 8/0 (search/found)
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Patricia risk: 8/0 (search/found)
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Patricia protocols: 8/0 (search/found)
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EthernetIP 100 17384 4
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1 TCP 141.81.0.10:50275 <-> 141.81.0.83:44818 [proto: 278/EthernetIP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][12 pkts/2716 bytes <-> 16 pkts/2580 bytes][Goodput ratio: 76/66][0.70 sec][bytes ratio: 0.026 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 72/38 231/232 96/75][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 226/161 1258/406 330/99][PLAIN TEXT (99999999359)][Plen Bins: 0,20,45,0,10,0,0,5,0,5,0,5,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0]
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2 TCP 141.81.0.63:44818 <-> 141.81.0.10:52593 [proto: 278/EthernetIP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][16 pkts/2150 bytes <-> 13 pkts/2566 bytes][Goodput ratio: 58/73][0.78 sec][bytes ratio: -0.088 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/1 30/60 190/197 55/74][Pkt Len c2s/s2c min/avg/max/stddev: 60/54 134/197 406/528 92/158][PLAIN TEXT (99999999356)][Plen Bins: 0,15,43,0,5,0,10,5,0,0,5,5,5,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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3 TCP 141.81.0.10:52594 <-> 141.81.0.43:44818 [proto: 278/EthernetIP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][9 pkts/1978 bytes <-> 12 pkts/1784 bytes][Goodput ratio: 75/62][0.66 sec][bytes ratio: 0.052 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 1/0 61/33 196/185 73/56][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 220/149 528/406 163/113][PLAIN TEXT (rWKIm.)][Plen Bins: 0,14,35,0,7,0,14,0,0,7,0,7,7,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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4 TCP 141.81.0.10:62717 <-> 141.81.0.23:44818 [proto: 278/EthernetIP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Network/14][11 pkts/2132 bytes <-> 11 pkts/1478 bytes][Goodput ratio: 72/58][0.65 sec][bytes ratio: 0.181 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 52/48 202/242 68/82][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 194/134 528/406 156/96][PLAIN TEXT (DISABLE)][Plen Bins: 0,20,41,0,6,0,13,0,0,0,0,6,6,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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