TCP SYN (p0f)

4:44+20:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:0

first seen 2026-06-12 07:41 · last seen 2026-07-04 01:25 · JSON

Decomposed attributes

IP version4
Initial TTL44+20
Options length0
MSS1460
Window size65535
Window scale6
Options layoutmss,nop,ws,nop,nop,ts,sok,eol+1
Quirksid-,ecn
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
t13d1714h1_5b57614c22b0_7baf387fc6ff22
t13d1715h1_5b57614c22b0_e8ed158c4d8520

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_5ddb03fb9e99_000000000000_00000000000042

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1460_642

User-Agent

fingerprintco-occurrences
JoshMarketingNewsPulse/0.1 (+https://example.local; contact=local)42

Country

fingerprintco-occurrences
US · United States42

Network (ASN)

fingerprintco-occurrences
AS20115 · Charter Communications LLC42