| Commit message (Collapse) | Author | Age |
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We should have two protocols in classification results only when the
"master" protocol allows some sub-protocols.
Classifications like `AmazonAWS`, `TLS/AmazonAWS`, `DNS/AmazonAWS` are
fine. However classifications like `NTP/Apple`, `BitTorrent/Azure`,
`DNScrypt.AmazonAWS` or `NestLogSink.Google` are misleading.
For example, `ndpiReader`shows `BitTorrent/Azure` flows under `Azure`
statistics; that seems to be wrong or, at least, very misleading.
This is quite important since we have lots of addresses from CDN
operators.
The only drawback of this solution is that right now ICMP traffic is
classified simply as `ICMP`; if we are really interested in ICMP stuff
we can restore the old behaviour later.
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Fix: 7a3aa41a
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As a general rule, the higher the confidence value, the higher the
"reliability/precision" of the classification.
In other words, this new field provides an hint about "how" the flow
classification has been obtained.
For example, the application may want to ignore classification "by-port"
(they are not real DPI classifications, after all) or give a second
glance at flows classified via LRU caches (because of false positives).
Setting only one value for the confidence field is a bit tricky: more
work is probably needed in the next future to tweak/fix/improve the logic.
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Improve Microsoft, GMail, Likee, Whatsapp, DisneyPlus and Tiktok
detection.
Add Vimeo, Fuze, Alibaba and Firebase Crashlytics detection.
Try to differentiate between Messenger/Signal standard flows (i.e chat)
and their VOIP (video)calls (like we already do for Whatsapp and
Snapchat).
Add a partial list of some ADS/Tracking stuff.
Fix Cassandra, Radius and GTP false positives.
Fix DNS, Syslog and SIP false negatives.
Improve GTP (sub)classification: differentiate among GTP-U, GTP_C and
GTP_PRIME.
Fix 3 LGTM warnings.
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Decoding of ipv6 traffic with extension headers was completely broken,
since the beginning of the L4 header was always set to a wrong value.
Handle the ipv6 fragments in the same way as the ipv4 ones: keep the first
one and drop the others.
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The goal is to have a (roughly) idea about how many packets nDPI needs
to properly classify a flow.
Log this information (and guessed flows number too) during unit tests,
to keep track of improvements/regressions across commits.
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Optimized stddev calculation
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the version string buffer.
* added also GREASE supported tls versions as specified in
https://tools.ietf.org/html/draft-davidben-tls-grease-01#page-4
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Packet bins are not printed wehn empty
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Added packet lenght distribution bins
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Modified HTTP report information to make it closer to the HTTP field names
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Added check to spot executables exchanged via HTTP
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