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Tcp retransmissions should be ignored.
Remove some unused protocol bitmasks.
Update script to download Whatsapp IP list.
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Signed-off-by: lns <matzeton@googlemail.com>
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Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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* updated asn lists
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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There is some overlap with Citrix protocol.
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This fixes some build/test issues resulting when using tarballs.
* nDPI uses autotools (especially autoconf) in a wrong way, see #1163
Signed-off-by: lns <matzeton@googlemail.com>
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* Improved ASN update script
* Ran `utils/update_every_lists.sh'
* `tests/do.sh.in' prints the amount of failed pcap(s)
* `utils/asn_update.sh' prints the amount of failed download(s)
Signed-off-by: lns <matzeton@googlemail.com>
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addresses/ranges. (#1524)
* Replaced return statements in `utils/*.sh' with exit's (such scripts should never source'd)
* Ran `utils/update_every_lists.sh'
Signed-off-by: lns <matzeton@googlemail.com>
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Follow-up of 8b062295
Add a new protocol id for generic Tencent/Wechat flows
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* CI will print a warning if ASN/IP addresses changed.
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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* Extracting the Azure Origin url from the download link
* Response code check to address double quotes
Co-authored-by: Sharon Enoch <sharone@amzetta.com>
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The main goal of a DPI engine is usually to determine "what", i.e. which
types of traffic flow on the network.
However the applications using DPI are often interested also in "who",
i.e. which "user/subscriber" generated that traffic.
The association between a flow and a subscriber is usually done via some
kind of DHCP/GTP/RADIUS/NAT mappings. In all these cases the key element
of the flow used to identify the user is the source ip address.
That usually happens for the vast majority of the traffic.
However, depending on the protocols involved and on the position on the net
where the traffic is captured, the source ip address might have been
changed/anonymized. In that case, that address is useless for any
flow-username association.
Example: iCloud Private Relay traffic captured between the exit relay and
the server.
See the picture at page 5 on:
https://www.apple.com/privacy/docs/iCloud_Private_Relay_Overview_Dec2021.PDF
This commit adds new generic flow risk `NDPI_ANONYMOUS_SUBSCRIBER` hinting
that the ip addresses shouldn't be used to identify the user associated
with the flow.
As a first example of this new feature, the entire list of the relay ip
addresses used by Private Relay is added.
A key point to note is that list is NOT used for flow classification
(unlike all the other ip lists present in nDPI) but only for setting this
new flow risk.
TODO: IPv6
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While the lists in a6ff0dd0 and 2f5f445f are somehow provided by the
companies themselves (or by some interested parties), these new lists
are directly extracted from BGP information, via AS prefixes.
*Usually*, these new lists are far more stable than the previous ones.
TODO:
* add some other ASNs (see `src/lib/ndpi_content_match.c.inc`)
* IPv6, as usual :-(
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Differentiate between Google its own apps/services and Google Cloud.
We already do something similar for Amazon vs AWS and Microsoft vs Azure.
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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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