TCP SYN (p0f)

6:234+21:0:1440:62587,7:mss,sok,ts,nop,ws:flow:0

first seen 2026-07-01 17:17 · last seen 2026-08-05 14:31 · JSON

Decomposed attributes

IP version6
Initial TTL234+21
Options length0
MSS1440
Window size62587
Window scale7
Options layoutmss,sok,ts,nop,ws
Quirksflow
Payload class0

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
t13d1312h2_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +5 more.The fingerprint page shows the full measured match list. More on the catalog.1
t13d201100_2b729b4bf6f3_36bf25f296df1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_bf75ddd0bb29_000000000000_0000000000001
ge11nn020000_2f58a845b48b_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +6 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
62587_2-4-8-1-3_1440_72

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; Miniflux/2.2.19; +https://miniflux.app)1
Mozilla/5.0 (Windows NT; Windows NT 10.0; zh-CN) WindowsPowerShell/5.1.26100.89721

Country

fingerprintco-occurrences
SG · Singapore2

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.2