TCP SYN (JA4T)

65535_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1306_8

first seen 2026-07-25 02:35 · last seen 2026-07-25 02:35 · JSON

Decomposed attributes

TCP window	`65535`
Option kinds	`2-4-1-1-1-1-1-1-1-1-1-1-1-3`
MSS	`1306`
Window scale	`8`

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)

fingerprint	co-occurrences
`t13d4412h1_fd39b124ee10_58ed7828516f`	1

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn050000_b223a0ebb0b5_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.	1

TCP SYN (p0f)

fingerprint	co-occurrences
`4:47+17:0:1306:65535,8:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:0`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36`	1

Country

fingerprint	co-occurrences
`PK` · Pakistan	1

Network (ASN)

fingerprint	co-occurrences
`AS56167` · PTML	1