TCP SYN (p0f)

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

first seen 2026-07-01 15:27 · last seen 2026-07-21 15:27 · 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
Quirksdf
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
t13d1713h1_ab0a1bf427ad_89ab6efea7732
t13d301100_1d37bd780c83_8e6e362c5eac1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_5b1e8b5f4d2d_000000000000_0000000000002
ge11nn040000_2393fd559033_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1460_63

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (lars-studio)2

Country

fingerprintco-occurrences
LT · Lithuania2
US · United States1

Network (ASN)

fingerprintco-occurrences
AS21412 · UAB Cgates2
AS7922 · Comcast Cable Communications, LLC1