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* 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
* fuzz: extend fuzzers coverage (#1952)Ivan Nardi2023-04-25
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* Add "Heroes of the Storm" video game signature detection. (#1949)nikitamishagin2023-04-22
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* Improved debug output. (#1951)Toni2023-04-21
| | | | | | * try to get rid of some `printf(..)`s as they do not belong to a shared library * replaced all `exit(..)`s with `abort()`s to indicate an abnormal process termination Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added OICQ dissector. (#1950)Toni2023-04-21
| | | | Signed-off-by: lns <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Simplify `ndpi_internal_guess_undetected_protocol()` (#1941)Ivan Nardi2023-04-12
| | | | | | | | | | | | | | | | | | | `ndpi_guess_undetected_protocol()/ndpi_internal_guess_undetected_protocol()` is a strange function: * it is exported by the library and it is actively used by `ntopng` * it is intrinsecally ipv4-only * it returns basically something like "classification_by_ip"/"classification_by_port" (these information have already been calculated in `ndpi_do_guess()`...) * it access the bittorrent LRU caches (similarly to `ndpi_detection_giveup()` but without all the other caches...) So: * make the interface IPv4/6 agnostic * use the classifications already available This work will allow to make the Bittorrent caches IPV6-aware (see 81e1ea5). Handle Dropbox classification "by-port" in the "standard" way.
* Added BACnet dissector. (#1940)Toni2023-04-11
| | | | Signed-off-by: lns <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added Source Engine dissector. (#1937)Toni2023-04-11
| | | | Signed-off-by: lns <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Implemented ndpi_XXX_reset() API calls whre XXX is ses, des, hwLuca Deri2023-04-08
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* H323: fix false positives (#1916)Ivan Nardi2023-04-06
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* add support for gre decapsulation (#1442) (#1921)Maatuq2023-04-04
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* Ookla: rework detection (#1922)Ivan Nardi2023-03-30
| | | | | | | | | | | | | | | | | | | | | | | | | | The logic of the LRU cache has been changed: once we know an ip has connected to an Ookla server, all the following (unknown) flows (for a short time interval) from the same ip to the port 8080 are treated as Ookla ones. Most of the changes in this commit are about introducing the concept of "aggressive detection". In some cases, to properly detect a protocol we might use some statistical/behavior logic that, from one side, let us to identify the protocol more often but, from the other side, might lead to some false positives. To allow the user/application to easily detect when such logic has been triggered, the new confidence value `NDPI_CONFIDENCE_DPI_AGGRESSIVE` has been added. It is always possible to disable/configure this kind of logic via the API. Detection of Ookla flows using plain TLS over port 8080 is the first example of aggressive detection in nDPI. Tested with: * Android 9.0 with app 4.8.3 * Ubuntu 20.04 with Firefox 110 * Win 10 with app 1.15 and 1.16 * Win 10 with Chrome 108, Edge 108 and Firefox 106
* remove redefinition to vxlanhdr struct in vxlan dissector (#1911)Maatuq2023-03-25
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* Added the ability to define custom protocols with arbitrary Ids in proto.txtLuca Deri2023-03-22
| | | | | | | | | | Example - ip:213.75.170.11/32:443@CustomProtocol nDPI assigns an is that can change based on protos.txt content - ip:213.75.170.11/32:443@CustomProtocol=9999 nDPI assigns 9999 as protocolId to CustomProtocol and won't change when protos.txt content will chaneg
* Add a new protocol id for generic Adult Content traffic (#1906)Ivan Nardi2023-03-20
| | | | The list has been taken from https://www.similarweb.com/top-websites/adult/ Fix a GoTo false positive.
* Add a new protocol id for generic advertisement/analytics/tracking stuff (#1904)Ivan Nardi2023-03-20
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* Added ability to define an unlimited number of custom rules IP:port for the ↵Luca Deri2023-03-13
| | | | same IP (it used tobe limited to 2)
* Minor cleanupLuca Deri2023-03-13
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* Add a new flow risk about literal IP addresses used as SNI (#1892)Ivan Nardi2023-03-02
| | | | | | | | | | RFC 6066 3: "Literal IPv4 and IPv6 addresses are not permitted in "HostName"." Don't set this risk if we have a valid sub-classification (example: via certificate) Since a similar risk already exists for HTTP hostnames, reuse it, with a more generic name.
* Improved protocol detection exploiting IP-based guessLuca Deri2023-02-27
| | | | Reworked ndpi_reconcile_protocols() that is now called only in front of a match (less overhead)
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