TCP SYN (p0f)

4:49+15:0:1460:mss*20,7:mss,nop,nop,sok,nop,ws:df,id+:0

first seen 2026-09-20 19:48 · last seen 2026-09-20 19:48 · JSON

Decomposed attributes

IP version4
Initial TTL49+15
Options length0
MSS1460
Window sizemss*20
Window scale7
Options layoutmss,nop,nop,sok,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
t13i170900_5b57614c22b0_78e6aca7449b2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn070000_d0d63ed74832_000000000000_0000000000001
ge11nn050000_c71bbc472f37_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-1-1-4-1-3_1460_72

User-Agent

fingerprintco-occurrences
libredtail-http2

Country

fingerprintco-occurrences
SG · Singapore2

Network (ASN)

fingerprintco-occurrences
AS26496 · GoDaddy.com, LLC2