| Commit message (Collapse) | Author | Age |
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Signed-off-by: lns <matzeton@googlemail.com>
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In a lot of places in ndPI we use *packet* source/dest info
(address/port/direction) when we are interested in *flow* client/server
info, instead.
Add basic logic to autodetect this kind of information.
nDPI doesn't perform any "flow management" itself but this task is
delegated to the external application. It is then likely that the
application might provide more reliable hints about flow
client/server direction and about the TCP handshake presence: in that case,
these information might be (optionally) passed to the library, disabling
the internal "autodetect" logic.
These new fields have been used in some LRU caches and in the "guessing"
algorithm.
It is quite likely that some other code needs to be updated.
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Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Skype detection over TCP has been completely disable since 659f75138 (3
years ago!).
Since that logic was too weak anyway, remove it.
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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If the extra callabck is not set, calling the extra dissection is only a
waste of resources...
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Code cleanup
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* Improved HTTP POST detection
* Refactored subprotocol detection
Signed-off-by: lns <matzeton@googlemail.com>
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* Add few scripts to easily update some IPs lists
Some IPs lists should be updated frequently: try to easy the process.
The basic idea is taken from d59fefd0 and a8fe74e5 (for Azure
addresses): one specific .c.inc file and one script for each protocol.
Add the possibility to don't load a specific list.
Rename the old NDPI_PROTOCOL_HOTMAIL id to NDPI_PROTOCOL_MS_OUTLOOK,
to identify Hotmail/Outlook/Exchange flows.
TODO: ipv6
Remove the 9 addresses associated to BitTorrent: they have been added in
e2f21116 but it is not clear why all the traffic to/from these ips
should be classified as BitTorrent.
* Added quotes
* Added quotes
Co-authored-by: Luca Deri <lucaderi@users.noreply.github.com>
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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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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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Reworked Tor dissector embedded in TLS (fixes #1141)
Removed false positive on HTTP User-Agent
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be present with POSTs and not with other methods such as GET
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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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