TCP SYN (p0f)

4:113+15:0:1300:mss*44,9:mss,nop,nop,sok,nop,ws:df,id+:0

first seen 2026-08-13 09:13 · last seen 2026-08-13 11:32 · JSON

Decomposed attributes

IP version4
Initial TTL113+15
Options length0
MSS1300
Window sizemss*44
Window scale9
Options layoutmss,nop,nop,sok,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
t13d2614h2_2802a3db6c62_a5b99884f7f58

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr010000_c125d0397b60_000000000000_0000000000008

HTTP/2 frames (Akamai)

fingerprintco-occurrences
4:2097152;3:100|10485760|0|m,s,p,a8

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-1-1-4-1-3_1300_98

Country

fingerprintco-occurrences
HK · Hong Kong SAR China8

Network (ASN)

fingerprintco-occurrences
AS39600 · BUNNY TECHNOLOGY LLC8