TCP SYN (p0f)

4:50+14:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-29 23:13 · last seen 2026-07-01 17:19 · JSON

Decomposed attributes

IP version4
Initial TTL50+14
Options length0
MSS1460
Window size62727
Window scale7
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
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
t13d1516h2_8daaf6152771_e5627efa2ab11
t13d4312h1_c7886603b240_b26ce05bbdd61

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn09enus_a545420ec371_000000000000_0000000000001
ge11nn070000_d53668ba0abf_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p1

TCP SYN (JA4T)

fingerprintco-occurrences
62727_2-4-8-1-3_1460_72

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/97.0.4691.0 Safari/537.361

Country

fingerprintco-occurrences
IE · Ireland2

Network (ASN)

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