TCP SYN (p0f)

4:44+20:0:1250:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:0

first seen 2026-08-11 13:46 · last seen 2026-08-11 13:46 · JSON

Decomposed attributes

IP version4
Initial TTL44+20
Options length0
MSS1250
Window size65535
Window scale6
Options layoutmss,nop,ws,nop,nop,ts,sok,eol+1
Quirksdf,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
t13d210900_6b2954d954da_00596cb448ee5

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr13kokr_695efbec79f4_000000000000_0000000000002
ge11nn14kokr_d9d4fb46dcb1_000000000000_0000000000001
ge11nr14kokr_d9d4fb46dcb1_000000000000_0000000000001
ge11nr14kokr_d644675fec09_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1250_65

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.365

Country

fingerprintco-occurrences
KR · South Korea5

Network (ASN)

fingerprintco-occurrences
AS3786 · LG DACOM Corporation5