TCP SYN (JA4T)

65535_2-1-3-1-1-4_1460_1

first seen 2026-07-07 12:48 · last seen 2026-07-07 12:48 · JSON

Decomposed attributes

TCP window65535
Option kinds2-1-3-1-1-4
MSS1460
Window scale1

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
t13d311000_e8f1e7e78f70_518fb456ca594

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr10enus_3debd3656be3_000000000000_0000000000003
ge11nn10enus_3debd3656be3_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:113+15:0:1460:65535,1:mss,nop,ws,nop,nop,sok:df,id+,ecn:04

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.04

Country

fingerprintco-occurrences
GB · United Kingdom4

Network (ASN)

fingerprintco-occurrences
AS201579 · HOSTGNOME LTD4