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* Remove JA3C output from ndpiReader (#2667)Ivan Nardi2025-01-12
| | | | | | | | | | | | | Removing JA3C is an big task. Let's start with a simple change having an huge impact on unit tests: remove printing of JA3C information from ndpiReader. This way, when we will delete the actual code, the unit tests diffs should be a lot simpler to look at. Note that the information if the client/server cipher is weak or obsolete is still available via flow risk See: #2551
* ndpiReader: update JA statistics (#2646)Ivan Nardi2025-01-06
| | | | Show JA4C and JA3S information (instead of JA3C and JA3S) See #2551 for context
* Update `flow->flow_multimedia_types` to a bitmask (#2625)Ivan Nardi2024-11-25
| | | In the same flow, we can have multiple multimedia types
* When triggering risk "Known Proto on Non Std Port", nDPi now reports the ↵Luca Deri2024-11-22
| | | | port that was supposed to be used as default
* RTP, STUN: improve detection of multimedia flow type (#2620)Ivan Nardi2024-11-19
| | | | Let's see if we are able to tell audio from video calls only looking at RTP Payload Type field...
* Implemented Mikrotik discovery protocol dissection and metadata extraction ↵Luca Deri2024-11-14
| | | | (#2618)
* Improved TCP fingerprintLuca Deri2024-10-20
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* Improved TCP fingepring calculationLuca Deri2024-10-18
| | | | Adde basidc OS detection based on TCP fingerprint
* Increased struct ndpi_flow_struct size (#2596)Luca Deri2024-10-18
| | | Build fix
* STUN: if the same metadata is found multiple times, keep the first value (#2591)Ivan Nardi2024-10-15
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* Tls out of order (#2561)Ivan Nardi2024-09-18
| | | | | | | | | | | | * Revert "Added fix for handling Server Hello before CLient Hello" This reverts commit eb15b22e7757cb70894fdcde440e62bc40f22df1. * TLS: add some tests with unidirectional traffic * TLS: another attempt to process CH received after the SH Obviously, we will process unidirectional traffic longer, because we are now waiting for messages in both directions
* Added fix for handling Server Hello before CLient HelloLuca2024-09-17
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* Bittorrent: fix extra dissectionNardi Ivan2024-09-03
| | | | | | | On extra-dissection data-path we only need to look for the hash (the flow is already classified as Bittorrent). As a nice side-effect, the confidence is now always with the right value.
* Add TRDP protocol support (#2528)Vladimir Gavrilov2024-08-25
| | | The Train Real Time Data Protocol (TRDP) is a UDP/TCP-based communication protocol designed for IP networks in trains, enabling data exchange between devices such as door controls and air conditioning systems. It is standardized by the IEC under IEC 61375-2-3 and is not related to the Remote Desktop Protocol (RDP).
* Add CNP/IP protocol support (#2521)Vladimir Gavrilov2024-08-22
| | | ISO/IEC 14908-4 defines how to tunnel Control Network Protocol (CNP) over IP networks. It encapsulates protocols like EIA-709, EIA-600, and CNP, making it a versatile solution for building automation and control systems.
* Fixed probing attempt risk that was creating false positivesLuca Deri2024-08-07
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* FPC: add DPI information (#2514)Ivan Nardi2024-07-23
| | | | If the flow is classified (via DPI) after the first packet, we should use this information as FPC
* FPC: small improvements (#2512)Ivan Nardi2024-07-22
| | | | Add printing of fpc_dns statistics and add a general cconfiguration option. Rework the code to be more generic and ready to handle other logics.
* Improve detection of Cloudflare WARP traffic (#2491)Ivan Nardi2024-07-04
| | | See: #2484
* Add infrastructure for explicit support of Fist Packet Classification (#2488)Ivan Nardi2024-07-03
| | | | | Let's start with some basic helpers and with FPC based on flow addresses. See: #2322
* Add Ripe Atlas probe protocol. (#2473)Toni2024-06-17
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Zoom: remove "stun_zoom" LRU cacheNardi Ivan2024-06-17
| | | | | Since 070a0908b we are able to detect P2P calls directly from the packet content, without any correlation among flows
* RTP/STUN: look for STUN packets after RTP/RTCP classification (#2465)Ivan Nardi2024-06-07
| | | | | | | | | | After a flow has been classified as RTP or RTCP, nDPI might analyse more packets to look for STUN/DTLS packets, i.e. to try to tell if this flow is a "pure" RTP/RTCP flow or if the RTP/RTCP packets are multiplexed with STUN/DTLS. Useful for proper (sub)classification when the beginning of the flows are not captured or if there are lost packets in the the captured traffic. Disabled by default
* TLS: add support for DTLS (over STUN) over TCP (#2463)Ivan Nardi2024-06-05
| | | | | TODO: TCP reassembler on top of UDP reassembler See: #2414
* RTP: fix detection over TCP (#2462)Ivan Nardi2024-05-29
| | | | | | RFC4571 is not the only way to wrap RTP messages in TCP streams. For example, when RTP is encapsulated over TURN flows (i.e. via DATA attribute) there is no additional framing. See also 6127e0490
* DTLS: fix JA4 fingerprint (#2446)Ivan Nardi2024-05-21
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* Remove "zoom" cache (#2420)Ivan Nardi2024-05-06
| | | | | | | | | This cache was added in b6b4967aa, when there was no real Zoom support. With 63f349319, a proper identification of multimedia stream has been added, making this cache quite useless: any improvements on Zoom classification should be properly done in Zoom dissector. Tested for some months with a few 10Gbits links of residential traffic: the cache pretty much never returned a valid hit.
* STUN: try to stop extra dissection earlier, if possible (#2390)Ivan Nardi2024-04-13
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* STUN: fix boundary checks on attribute list parsing (#2387)Ivan Nardi2024-04-12
| | | | | Restore all unit tests. Add some configuration knobs. Fix the endianess.
* Implemented STUN peer_address, relayed_address, response_origin, ↵Luca Deri2024-04-12
| | | | | | | other_address parsing Added code to ignore invalid STUN realm Extended JSON output with STUN information
* STUN: improve extraction of Mapped-Address metadata (#2370)Ivan Nardi2024-04-08
| | | | | | | | | | | | | Enable parsing of Mapped-Address attribute for all STUN flows: that means that STUN classification might require more packets. Add a configuration knob to enable/disable this feature. Note that we can have (any) STUN metadata also for flows *not* classified as STUN (because of DTLS). Add support for ipv6. Restore the correct extra dissection logic for Telegram flows.
* STUN: rework sub-classification (#2361)Ivan Nardi2024-04-04
| | | | | The main goal is to have the "real" application (if any; i.e. Signal/Whatsapp/Telegram/...) always as "application" protocol and not as "master" one
* STUN: fix parsing of DATA attribute (#2345)Ivan Nardi2024-03-14
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* STUN: add a parameter to configure how long the extra dissection lasts (#2336)Ivan Nardi2024-03-07
Tradeoff: performance (i.e. number of packets) vs sub-classification
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