| Commit message (Collapse) | Author | Age |
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Regardless of the name, the removed trace doesn't contain meaningful
Hangout traffic.
Remove last piece of sub-classifiction based only on ip addresses.
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Try avoiding false positives: look for 3 RTP packets before classifing
the flow as such.
Add a generic function `is_rtp_or_rtcp()` to identify RTP/RTCP packets also
in other dissectors (see 3608ab01b commit message for an example)
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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* Add bitcoing protocol dissector.
* remove bitcoin protcol detection from mining.c
* add a new bitcoin deissector.
* add a new category: Cryptocurrency.
Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
* Remove useless checks and add missing windows and docs file.
Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
* update affected tests.
Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
* add a brief version.
Add notes on the difference between normal bitcoin protocol and the
mining protocol.
Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
* update enable_payload_stat test after dev rebasing.
Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
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Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
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`ndpi_detection_giveup()` (#1996)
`ndpi_reconcile_protocols()` is already called by
`ndpi_set_detected_protocol()`
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Return the "classification-by-ip" as protocol results only if no other
results are available.
In particular, never return something like
"protocol_by_port/protocol_by_ip" (i.e. `NTP/Apple`,
BitTorrent/GoogleCloud`, `Zoom/AWS`) because this kind of classification
is quite confusing, if not plainly wrong.
Notes:
* the information about "classification-by-ip" is always available, so
no information is lost with this change;
* in the unit tests, the previous classifications with confidence
`NDPI_CONFIDENCE_DPI_PARTIAL` were wrong, as noted in #1957
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When we reconcile a TLS session to Teams, we need to keep TLs as master.
This way:
* we keep exporting all the TLS metadata
* we avoid some memory leaks (of these metadata themeselves)
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For a lot of protocols, reduce the number of packets after which the
protocols dissector gives up.
The values are quite arbitary, tring to not impact on classification
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This piece of code has multiple problems:
* nDPI is able to detect some TCP protocols even with mid-flows (i.e.
without the initial packets of the session); TLS is the most
significative example
* since e6b332aa4a1399e33df68998cf8351bccaee3fc4 it is perfectly valid
to not pass the TCP Handshake packets to nDPI
* in any case, we shouldn't call `ndpi_detection_giveup()`. That
function is usually called by the application and we end up calling it
twice in some cases.
The simple solution is to completely remove that code: process these
kinds of flows like everyone else.
Note that the application can always avoid to pass to nDPI any TCP flows
without the initial handshake; the flow managemnt is always up to the
application.
Looking at the CI results, some rare flows are now processed significantly
longer. As a follow-up we could look into that.
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Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Extend internal unit tests to handle multiple configurations.
As some examples, add tests about:
* disabling some protocols
* disabling Ookla aggressiveness
Every configurations data is stored in a dedicated directory under
`tests\cfgs`
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