User-Agent

Halloy/2026.9

first seen 2026-10-28 07:27 · last seen 2026-10-28 13:00 · JSON

Last 7 days (2 observations)

Distinct clients per day (last 30 days, peak 2/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Browser / clientHalloy 2026.9
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d1011h2_61a7ad8aa9b6_3fcd1a44f3e3 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn020000_e5a56608905c_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:2097152;5:16384;6:16384|5177345|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.13.5, rust-reqwest 0.13.4, +4 more.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
6:44+20:0:1440:mss*45,10:mss,sok,ts,nop,ws:flow:01
4:49+15:0:1400:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_101
65535_2-1-3-1-1-8-4-0-0_1400_61

Country

fingerprintco-occurrences
FR · France1
PL · Poland1

Network (ASN)

fingerprintco-occurrences
AS3215 · Orange S.A.1
AS201019 · P4 Sp. z o.o.1

TLS supported groups

fingerprintco-occurrences
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, powershell 7.6.8, +1 more.The fingerprint page shows the full measured match list. More on the catalog.2