TCP SYN (p0f)

4:107+21:0:1460:mss*44,5:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-01 15:02 · last seen 2026-07-01 15:02 · JSON

Decomposed attributes

IP version4
Initial TTL107+21
Options length0
MSS1460
Window sizemss*44
Window scale5
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
t13d5311h1_ed6c8d7875f9_518fb456ca591

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn07*000_fd87022947da_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_51

User-Agent

fingerprintco-occurrences
TechFeedBot/1.0 (Lambda; content-aggregator)1

Country

fingerprintco-occurrences
IN · India1

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.1