TCP SYN (p0f)

4:114+14:0:8960:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-09-08 07:21 · last seen 2026-09-18 04:20 · JSON

Decomposed attributes

IP version4
Initial TTL114+14
Options length0
MSS8960
Window size65535
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksdf,id+,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
t13d201100_2b729b4bf6f3_36bf25f296df2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn09enus_5c7362213e1c_000000000000_0000000000002

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_8960_82

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS10242 · US Internet Corp2