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* fuzz: extend coverage (#2073)Ivan Nardi2023-08-20
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* Reworked ndpi_filter_xxx implementation using compressed bitmapsLuca Deri2023-08-14
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* Added ndpi_filter_add_multi() API callLuca Deri2023-08-11
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* Added new API calls for implementing Bloom-filter like data structuresLuca Deri2023-08-11
| | | | | | | ndpi_filter* ndpi_filter_alloc(uint32_t elements_number); bool ndpi_filter_add(ndpi_filter *f, uint64_t value); bool ndpi_filter_contains(ndpi_filter *f, uint64_t value); void ndpi_filter_free(ndpi_filter *f);
* Added ndpi_bitmap_copy() API callLuca2023-08-06
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* Mullvad VPN service added (based on entry node IP addresses) (#2062)snicket21002023-08-02
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* Add Service Location Protocol dissector. (#2036)Toni2023-08-01
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* DNS: extract geolocation information, if available (#2065)Ivan Nardi2023-07-31
| | | | | | | The option NSID (RFC5001) is used by Google DNS to report the airport code of the metro where the DNS query is handled. This option is quite rare, but the added overhead in DNS code is pretty much zero for "normal" DNS traffic
* ProtonVPN: split the ip list (#2060)Ivan Nardi2023-07-27
| | | | | | | | | | | Use two separate lists: * one for the ingress nodes, which triggers a ProtonVPN classification * one for the egress nodes, which triggers the `NDPI_ANONYMOUS_SUBSCRIBER` risk Add a command line option (to `ndpiReader`) to easily test IP/port matching. Add another example of custom rule.
* Add an heuristic to detect fully encrypted flows (#2058)Ivan Nardi2023-07-26
| | | | | | | | A fully encrypted session is a flow where every bytes of the payload is encrypted in an attempt to “look like nothing”. The heuristic needs only the very first packet of the flow. See: https://www.usenix.org/system/files/sec23fall-prepub-234-wu-mingshi.pdf A basic, but generic, inplementation of the popcpunt alg has been added
* Allow init of app protocols w/o any hostnames set. (#2057)Toni2023-07-22
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* TLS: add basic, basic, detection of Encrypted ClientHello (#2053)Ivan Nardi2023-07-21
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* Add detection of Roblox games (#2054)Ivan Nardi2023-07-21
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* Fix compilation in CI jobs (#2048)Ivan Nardi2023-07-15
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* Add a configuration knob to enable/disable loading of gambling list (#2047)Ivan Nardi2023-07-14
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* Fixes risk mask exception handling while improving the overall performanceLuca Deri2023-07-14
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* Implemented Count-Min Sketch [count how many times a value has been observed]Luca Deri2023-07-13
| | | | | | | - ndpi_cm_sketch_init() - ndpi_cm_sketch_add() - ndpi_cm_sketch_count() - ndpi_cm_sketch_destroy()
* Add support for multiline jsonAlfredo Cardigliano2023-07-12
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* added feature to extract filename from http attachment (#2037)Chiara Maggi2023-07-11
| | | | | | | | | | | | | | | | | | | * added feature to extract filename from http attachment * fixed some issues * added check for filename format * added check for filename format * remove an unnecessary print * changed the size from 952 to 960 * modified some test result files * small changes string size * comment removed and mallocs checked
* STUN: tell RTP from RTCP while in monitoring state (#2027)Ivan Nardi2023-06-27
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* Hangout: detect Hangout/Duo/GoogleMeet/... in the STUN code (#2025)Ivan Nardi2023-06-27
| | | | | | Regardless of the name, the removed trace doesn't contain meaningful Hangout traffic. Remove last piece of sub-classifiction based only on ip addresses.
* STUN: add dissection of DTLS handshake (#2018)Ivan Nardi2023-06-26
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* Simplify the report of streaming multimedia info (#2026)Ivan Nardi2023-06-26
| | | | | The two fields `flow->flow_type` and `flow->protos.rtp.stream_type` are pretty much identical: rename the former in `flow->flow_multimedia_type` and remove the latter.
* RTP: rework code (#2021)Ivan Nardi2023-06-23
| | | | | | | 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)
* Add Apache Thrift protocol dissector. (#2007)Toni2023-06-22
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* STUN: keep monitoring/processing STUN flows (#2012)Ivan Nardi2023-06-21
| | | | Look for RTP packets in the STUN sessions. TODO: tell RTP from RTCP
* Reworked teams handlingLuca Deri2023-06-15
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* Fix compilation (#2011)Ivan Nardi2023-06-15
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* Implemented Zoom/Teams stream type detectionLuca Deri2023-06-14
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* Fix missing u_char, u_short and u_int typedefs for some platforms e.g.: (#2009)Toni2023-06-12
| | | | | | | | | | In file included from ../include/ndpi_main.h:34, from ../include/ndpi_api.h:28, from protocols/activision.c:26: ../include/ndpi_typedefs.h:294:3: error: unknown type name 'u_char' 294 | u_char h_dest[6]; /* destination eth addr */ | ^~~~~~ Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added vlan_id in ndpi_flow2json() prototypeLuca Deri2023-06-09
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* QUIC: fix dissection of packets forcing VNNardi Ivan2023-06-08
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* ProtonVPN: add basic detection (#2006)Ivan Nardi2023-06-08
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* Add bitcoing protocol dissector. (#1992)Maatuq2023-05-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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> --------- Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
* Numeric truncation at `ndpi_analyze.c` at lines 101, 104, 107, 110 (#1999)headshog2023-05-30
| | | | | | | | | | | * fixed numeric truncation error in ndpi_analyze.c * fixed numeric truncation error in ndpi_analyze.c x2 * fixed numeric truncation error in ndpi_analyze.c x3 * fixed numeric truncation error in ndpi_analyze.c and printf format * fixed tests
* Changed logging callback function sig. (#2000)Toni2023-05-30
| | | | | * make user data available for any build config Signed-off-by: lns <matzeton@googlemail.com>
* fixed numeric truncation error in ndpi_main.c:6837 (#1998)headshog2023-05-29
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* Add support for Epic Games and GeForceNow/Nvidia (#1990)Ivan Nardi2023-05-27
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* Added scripts to auto generate hostname/SNI *.inc files. (#1984)Toni2023-05-20
| | | | | * add illegal gambling sites (Belgium) Signed-off-by: lns <matzeton@googlemail.com>
* fixed numeric truncation errorheadshog2023-05-20
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* Implemented ndpi_predict_linear() for predicting a timeseries value overtimeLuca Deri2023-05-19
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* Add support for roaring_bitmap_xor_inplace (#1983)Yuriy Rymarchuk2023-05-18
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* Add support for SRTP (#1977)Ivan Nardi2023-05-16
| | | | | | | The goal is to have Zoom flows classified as "Encrypted" and not as "Cleartext". Start documenting the list of protocols supported by nDPI; format, verbosity and content are still a work-in-progress.
* HTTP: rework state machine (#1966)Ivan Nardi2023-05-16
| | | | | | | | | | | | | | | | | The goal if to correlate the right request-response pair, exporting metadata from only one transaction (for example, the right url & return state pair) As a nice side effect, the code should be much cleaner, but that is a matter of taste. Two differences respect to the previous code: * as it happens in the CI, if in the flow there are only one response (before) and one request (after), only the metadata of the response are saved/exported * for performance reasons, we don't call `ndpi_parse_packet_line_info()` anymore for ALL packets triggering the HTTP dissector, but only for the packets that we already know belong to an HTTP flow. This is the reason for the changes in RTSP/SOAP/... code
* HTTP: improve extraction of metadata and of flow risks (#1959)Ivan Nardi2023-05-05
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* Improve detection of crawler/bot traffic (#1956)Ivan Nardi2023-05-04
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* Added detection of Facebook Reels and StoriesLuca Deri2023-05-03
| | | | https://www.switcherstudio.com/blog/the-ultimate-guide-to-reels-and-stories#:~:text=Audience%3A%20Reels%20are%20served%20to,things%20like%20photos%20and%20boomerangs.
* Make Bittorrent LRU cache IPv6 aware. (#1909)Ivan Nardi2023-04-29
| | | | It was the only remaining LRU cache without IPv6 support. See 81e1ea545ca465cda064e7cc80333fe7f0ef2aff
* Added ndpi_guess_undetected_protocol_v4() to restore logic thatLuca Deri2023-04-28
| | | | was removed in https://github.com/ntop/nDPI/commit/032e778a6dc1ee2173c4cdb2c671180c5b5df245
* Add an heuristic to detect/ignore some anomalous TCP ACK packets (#1948)Ivan Nardi2023-04-25
| | | | | | | | | | | | | | | | | | | In some networks, there are some anomalous TCP flows where the smallest ACK packets have some kind of zero padding. It looks like the IP and TCP headers in those frames wrongly consider the 0x00 Ethernet padding bytes as part of the TCP payload. While this kind of packets is perfectly valid per-se, in some conditions they might be treated by the TCP reassembler logic as (partial) overlaps, deceiving the classification engine. Add an heuristic to detect these packets and to ignore them, allowing correct detection/classification. This heuristic is configurable. Default value: * in the library, it is disabled * in `ndpiReader` and in the fuzzers, it is enabled (to ease testing) Credit to @vel21ripn for the initial patch. Close #1946
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