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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
24 lines
1.5 KiB
Text
24 lines
1.5 KiB
Text
Guessed flow protos: 0
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DPI Packets (TCP): 4 (4.00 pkts/flow)
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Confidence DPI : 1 (flows)
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Num dissector calls: 16 (16.00 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: 1/0 (search/found)
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Automa domain: 1/0 (search/found)
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Automa tls cert: 0/0 (search/found)
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Automa risk mask: 1/0 (search/found)
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Automa common alpns: 0/0 (search/found)
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Patricia risk mask: 2/0 (search/found)
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Patricia risk: 2/0 (search/found)
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Patricia protocols: 2/0 (search/found)
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HTTP 4 1831 1
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1 TCP 82.178.111.221:5060 <-> 45.58.148.2:8888 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][cat: Web/5][2 pkts/351 bytes <-> 2 pkts/1480 bytes][Goodput ratio: 63/92][0.32 sec][Hostname/SNI: 45.58.148.2][URL: 45.58.148.2/star-123456/index.m3u8?token=89b198b8844824ca15b8b379c26fc1b7dfcba368-5KUJTJ5Y73AGIAOV-1618753174-1618742374][StatusCode: 403][User-Agent: exoplayer-codelab][Risk: ** Known Proto on Non Std Port **** HTTP Numeric IP Address **][Risk Score: 60][Risk Info: Found host 45.58.148.2 / Expected on port 80][PLAIN TEXT (GET /star)][Plen Bins: 0,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,50,0,0,0,0,0]
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