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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
28 lines
2.6 KiB
Text
28 lines
2.6 KiB
Text
Guessed flow protos: 0
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DPI Packets (TCP): 8 (4.00 pkts/flow)
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DPI Packets (UDP): 2 (1.00 pkts/flow)
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Confidence DPI : 4 (flows)
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Num dissector calls: 202 (50.50 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: 0/0 (search/found)
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Patricia protocols: 8/0 (search/found)
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LISP 30 5266 4
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1 TCP 10.0.123.3:52995 <-> 10.0.123.1:4342 [proto: 236/LISP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Cloud/13][4 pkts/894 bytes <-> 3 pkts/715 bytes][Goodput ratio: 74/76][0.36 sec][bytes ratio: 0.111 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 1/1 120/73 213/145 88/72][Pkt Len c2s/s2c min/avg/max/stddev: 60/60 224/238 714/586 283/246][Plen Bins: 33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,33,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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2 TCP 10.0.123.2:15373 <-> 10.0.123.1:4342 [proto: 236/LISP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Cloud/13][4 pkts/682 bytes <-> 3 pkts/635 bytes][Goodput ratio: 66/73][0.36 sec][bytes ratio: 0.036 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 1/2 118/74 208/146 87/72][Pkt Len c2s/s2c min/avg/max/stddev: 60/60 170/212 502/506 191/208][Plen Bins: 33,0,0,0,0,0,0,0,0,0,0,0,0,0,66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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3 UDP 10.0.123.3:4342 <-> 10.0.123.1:4342 [proto: 236/LISP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Cloud/13][4 pkts/636 bytes <-> 4 pkts/568 bytes][Goodput ratio: 73/70][0.01 sec][bytes ratio: 0.056 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 0/2 0/5 0/2][Pkt Len c2s/s2c min/avg/max/stddev: 142/130 159/142 182/154 15/8][Plen Bins: 0,0,12,75,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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4 UDP 10.0.123.2:4342 <-> 10.0.123.1:4342 [proto: 236/LISP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Cloud/13][4 pkts/568 bytes <-> 4 pkts/568 bytes][Goodput ratio: 70/70][0.01 sec][bytes ratio: 0.000 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/3 0/1 0/3 0/1][Pkt Len c2s/s2c min/avg/max/stddev: 130/130 142/142 154/154 8/8][Plen Bins: 0,0,25,75,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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