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* Add FastCGI protocol detection. (#1711)Toni2022-08-24
| | | | | | | | * CQL: fixed byte order conversion (BigEndian not LittleEndian) * CQL: increased required successful dissected packets to prevent false-positives Signed-off-by: Toni Uhlig <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Add Kismet protocol detection. (#1710)Toni2022-08-24
| | | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Add TiVoConnect dissector. Fixes #1697. (#1699)Toni2022-08-08
| | | | | * added static assert if supported, to complain if the flow struct changes Signed-off-by: lns <matzeton@googlemail.com>
* Patricia tree, Ahocarasick automa, LRU cache: add statistics (#1683)Ivan Nardi2022-07-29
| | | | | | | | | | Add (basic) internal stats to the main data structures used by the library; they might be usefull to check how effective these structures are. Add an option to `ndpiReader` to dump them; enabled by default in the unit tests. This new option enables/disables dumping of "num dissectors calls" values, too (see b4cb14ec).
* TINC: avoid processing SYN packets (#1676)Ivan Nardi2022-07-28
| | | | | | | | | | | Since e6b332aa, we have proper support for detecting client/server direction. So Tinc dissector is now able to properly initialize the cache entry only when needed and not anymore at the SYN time; initializing that entry for **every** SYN packets was a complete waste of resources. Since 4896dabb, the various `struct ndpi_call_function_struct` structures are not more separate objects and therefore comparing them using only their pointers is bogus: this bug was triggered by this change because `ndpi_str->callback_buffer_size_tcp_no_payload` is now 0.
* Update the protocol bitmask for some protocols (#1675)Ivan Nardi2022-07-27
| | | | | | | Tcp retransmissions should be ignored. Remove some unused protocol bitmasks. Update script to download Whatsapp IP list.
* Add AVAST dissector. (#1674)Toni2022-07-25
| | | Signed-off-by: lns <matzeton@googlemail.com>
* Add support for flow client/server information (#1671)Ivan Nardi2022-07-24
| | | | | | | | | | | | | | | | | | 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.
* Added AliCloud server access dissector. (#1672)Toni2022-07-23
| | | | Signed-off-by: lns <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* SKYPE: remove detection over TCPNardi Ivan2022-07-20
| | | | | | Skype detection over TCP has been completely disable since 659f75138 (3 years ago!). Since that logic was too weak anyway, remove it.
* Improved Jabber/XMPP detection. (#1661)Toni2022-07-13
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Keep track of how many dissectors calls we made for each flow (#1657)Ivan Nardi2022-07-11
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* Avoid spurious calls to extra dissection (#1648)Ivan Nardi2022-07-07
| | | | If the extra callabck is not set, calling the extra dissection is only a waste of resources...
* Fix handling of NDPI_UNIDIRECTIONAL_TRAFFIC risk (#1636)Ivan Nardi2022-07-05
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* Enhanced TLS risk info reported to usersLuca Deri2022-06-28
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* Added unidirectional traffic flow riskLuca Deri2022-06-20
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* Updated DNS alert triggered only with TTL == 0Luca Deri2022-06-14
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* Improved DNS traffic analysisLuca Deri2022-06-13
| | | | Added ability to identify application and network protocols
* Updated tests resultsLuca Deri2022-05-30
| | | | Code cleanup
* Improved TLS alert detection. (#1542)Toni2022-05-08
| | | Signed-off-by: lns <matzeton@googlemail.com>
* Sync unit tests results (#1533)Ivan Nardi2022-04-27
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* Improved TLS application data detection. (#1532)Toni2022-04-27
| | | Signed-off-by: lns <matzeton@googlemail.com>
* Sync unit tests results (#1423)Ivan Nardi2022-01-28
| | | Fix: 7a3aa41a
* Add a "confidence" field about the reliability of the classification. (#1395)Ivan Nardi2022-01-11
| | | | | | | | | | | | | 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.
* ndpiReader: slight simplificaton of the output (#1378)Ivan Nardi2021-11-27
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* Differentiate between standard Amazon stuff (i.e market) and AWS (#1369)Ivan Nardi2021-11-04
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* Fixed cleartext protocol assignment (#1357)Ivan Nardi2021-10-25
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* Refreshed results listLuca Deri2021-10-16
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* Updated test results after latest commitLuca Deri2021-10-16
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* Improved DGA detection for skipping potential DGAs of known/popular domain namesLuca Deri2021-10-05
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* Update unit tests results after da8eed5a (#1323)Ivan Nardi2021-10-05
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* Updated outputLuca Deri2021-08-07
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* ndpiReader: add statistics about nDPI performance (#1240)Ivan Nardi2021-07-13
| | | | | | | 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.
* Added flow risk scoreLuca Deri2021-05-18
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* Added browser TLS heuristicLuca Deri2021-05-13
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* Modified JA3 fingerprint messageLuca Deri2021-02-24
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* Added NDPI_MALICIOUS_JA3 flow riskLuca Deri2021-02-22
| | | | Added ndpi_load_malicious_ja3_file() API call
* Improved (partial) TLS dissectionLuca Deri2021-02-04
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* Tests updateLuca Deri2020-10-02
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* Fixed false positive in suspicous user agentLuca Deri2020-08-30
| | | | Optimized stddev calculation
* Fixed partial TLS dissectionLuca Deri2020-07-30
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* Changed due to bin size extensionLuca Deri2020-07-30
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* User agent detection improvementsLuca Deri2020-07-21
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* Updated test results due to bin changesLuca Deri2020-07-09
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* Fixes #906Luca Deri2020-06-22
| | | | Packet bins are not printed wehn empty
* Added ndpi_bin_XXX APILuca Deri2020-06-22
| | | | Added packet lenght distribution bins
* Added check in TLS 1.2+ for reporting a risk when TLS is not used to carry HTTPSLuca Deri2020-06-08
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* Added fix to avoid potential heap buffer overflow in H.323 dissectorLuca Deri2020-05-19
| | | | Modified HTTP report information to make it closer to the HTTP field names
* Added NDPI_TLS_CERTIFICATE_EXPIRED, NDPI_TLS_CERTIFICATE_MISMATCH, to ndpi_riskLuca Deri2020-05-15
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* Added TLS weak cipher and obsolete protocol version detectionLuca Deri2020-05-10
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