TCP SYN (p0f)

6:240+15:0:1440:62587,7:mss,sok,ts,nop,ws:flow:0

first seen 2026-07-01 15:20 · last seen 2026-07-01 16:30 · JSON

Decomposed attributes

IP version6
Initial TTL240+15
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
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.4

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn05*000_658ca2d61fd8_000000000000_0000000000002
ge20nn05enus_38a4790ae907_000000000000_0000000000001
ge20nn05*000_eaa1b7da971e_000000000000_0000000000001

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 0.13.4, rust-reqwest 0.12.28, rust-reqwest 0.13.5, +3 more.The fingerprint page shows the full measured match list. More on the catalog.4

TCP SYN (JA4T)

fingerprintco-occurrences
62587_2-4-8-1-3_1440_74

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.151
Mozilla/5.0 (compatible; WebDeployScanner/1.0)1
Bryf/1.0 (Article Processor)1

Country

fingerprintco-occurrences
DE · Germany4

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.4