TCP SYN (p0f)

4:45+19:0:1452:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df:0

first seen 2026-07-01 14:37 · last seen 2026-07-01 14:54 · JSON

Decomposed attributes

IP version4
Initial TTL45+19
Options length0
MSS1452
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
t13d1712h1_ab0a1bf427ad_8e6e362c5eac2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_be0d0b335e46_000000000000_0000000000002

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1452_62

User-Agent

fingerprintco-occurrences
python-httpx/0.28.12

Country

fingerprintco-occurrences
CN · China2

Network (ASN)

fingerprintco-occurrences
AS56041 · China Mobile communications corporation2