nDPI/tests/result/nfsv2.pcap.out
Ivan Nardi a7c2734b38
Remove classification "by-ip" from protocol stack (#1743)
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
2022-09-20 22:24:47 +02:00

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3.6 KiB
Text

Guessed flow protos: 0
DPI Packets (UDP): 7 (1.00 pkts/flow)
Confidence DPI : 7 (flows)
Num dissector calls: 162 (23.14 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: 0/0/0 (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)
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: 14/0 (search/found)
Patricia risk: 14/0 (search/found)
Patricia protocols: 14/0 (search/found)
NFS 156 23144 7
1 UDP 139.25.22.2:1023 <-> 139.25.22.102:2049 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][72 pkts/12640 bytes <-> 72 pkts/9284 bytes][Goodput ratio: 76/67][0.35 sec][bytes ratio: 0.153 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 4/4 40/40 7/7][Pkt Len c2s/s2c min/avg/max/stddev: 166/70 176/129 214/198 12/42][PLAIN TEXT (werrmsche)][Plen Bins: 13,2,0,30,49,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
2 UDP 139.25.22.2:671 <-> 139.25.22.102:1048 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][1 pkts/158 bytes <-> 1 pkts/102 bytes][Goodput ratio: 73/58][0.02 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No client to server traffic][PLAIN TEXT (werrmsche)][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]
3 UDP 139.25.22.2:686 <-> 139.25.22.102:1048 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][1 pkts/158 bytes <-> 1 pkts/66 bytes][Goodput ratio: 73/36][< 1 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No client to server traffic][PLAIN TEXT (werrmsche)][Plen Bins: 50,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
4 UDP 139.25.22.2:3289 <-> 139.25.22.102:111 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][1 pkts/106 bytes <-> 1 pkts/90 bytes][Goodput ratio: 60/53][0.01 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No server to client traffic][Plen Bins: 0,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
5 UDP 139.25.22.2:3291 <-> 139.25.22.102:111 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][1 pkts/106 bytes <-> 1 pkts/90 bytes][Goodput ratio: 60/53][0.01 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No server to client traffic][PLAIN TEXT (139.25.22.102.8.1)][Plen Bins: 0,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
6 UDP 139.25.22.2:3293 <-> 139.25.22.102:111 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][1 pkts/106 bytes <-> 1 pkts/90 bytes][Goodput ratio: 60/53][0.01 sec][Risk: ** Known Proto on Non Std Port **][Risk Score: 50][Risk Info: No server to client traffic][Plen Bins: 0,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
7 UDP 139.25.22.2:3292 <-> 139.25.22.102:2049 [proto: 11/NFS][IP: 0/Unknown][ClearText][Confidence: DPI][cat: DataTransfer/4][1 pkts/82 bytes <-> 1 pkts/66 bytes][Goodput ratio: 48/36][< 1 sec][Plen Bins: 50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]