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UDP traffic

Datagrams matching proto:tftp sent to HoneyLabs sensors over UDP in the last 24 hours. DNS questions and QUIC client fingerprints are decoded on the sensor. Other datagrams are kept as their first bytes and labelled by protocol where it can be recognised.

A UDP source address can be forged, so each address listed here either sent the traffic or was impersonated by whoever did. UDP traffic is kept out of verdicts, feeds, watchlists and alerts.

Clear search

30

Datagrams

16

Source addresses

4

Networks

2

Countries

6

Destination ports

Traffic by type

Service queries

30 datagrams from 16 sources

Requests a service answers without a handshake. Scanners send them to find open DNS, NTP, SNMP or SSDP servers, which are also the servers reflection attacks abuse.

TFTP 30

Latest TFTP datagram, to 69/udp

·mac.cfg·octet·

payload bytes
00000000  00 01 6d 61 63 2e 63 66  67 00 6f 63 74 65 74 00  |..mac.cfg.octet.|

Amplification checks

Probes for services that answer a small request with a much larger reply, the property reflection attacks rely on.

ServicePortDatagramsSourcesFactor
TFTP69/udp +3301660

The factor is how many bytes a reachable server can send back for each byte it receives, as published by CISA in alert TA14-017A.

Destination ports

Networks

Countries

Source addresses (unverified)

AddressNetworkCcSendsDatagramsLast seen (UTC)
122.8.156.185AS136907 HUAWEI CLOUDSTHTFTP112026-10-11 03:44
66.132.172.252AS398324 Censys, Inc.USTFTP42026-10-11 00:56
64.62.197.88AS6939 Hurricane Electric LLCUSTFTP22026-10-10 06:10
147.185.132.159AS396982 Google LLCUSTFTP12026-10-10 22:39
66.132.172.229AS398324 Censys, Inc.USTFTP12026-10-11 03:28
216.25.89.125AS396982 Google LLCUSTFTP12026-10-10 04:28
64.62.156.110AS6939 Hurricane Electric LLCUSTFTP12026-10-10 05:48
66.132.224.30AS398324 Censys, Inc.USTFTP12026-10-10 21:12
65.49.20.106AS6939 Hurricane Electric LLCUSTFTP12026-10-11 01:36
65.49.20.90AS6939 Hurricane Electric LLCUSTFTP12026-10-11 01:44
65.49.1.112AS6939 Hurricane Electric LLCUSTFTP12026-10-11 02:37
205.210.31.131AS396982 Google LLCUSTFTP12026-10-10 05:43
66.132.186.222AS398324 Censys, Inc.USTFTP12026-10-10 17:49
66.132.186.241AS398324 Censys, Inc.USTFTP12026-10-10 20:52
198.235.24.66AS396982 Google LLCUSTFTP12026-10-10 09:22
66.132.186.217AS398324 Censys, Inc.USTFTP12026-10-11 02:20

Latest datagrams