TCP SYN (JA4T)

42340_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1424_10

first seen 2026-08-07 06:15 · last seen 2026-08-07 06:15 · JSON

Decomposed attributes

TCP window42340
Option kinds2-4-1-1-1-1-1-1-1-1-1-1-1-3
MSS1424
Window scale10

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
t13d1516h2_8daaf6152771_e5627efa2ab14

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr100000_3a9ba06c504b_000000000000_0000000000003
ge20nn110000_f553327a6567_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p2
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p1
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|3:1:0:220|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1424:mss*29,10:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:03
4:46+18:0:1424:mss*29,10:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 11; Redmi Note 8 Pro Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.72 MQQBrowser/6.2 TBS/045913 Mobile Safari/537.36 V1_AND_SQ_8.8.68_2538_YYB_D A_8086800 QQ/8.8.68.7265 NetType/WIFI WebP/0.3.0 Pixel/1080 StatusBarHeight/76 SimpleUISwitch/1 QQTheme/2971 InMagicWin/0 StudyMode/0 CurrentMode/1 CurrentFontScale/1.0 GlobalDensityScale/0.9818182 AppId/537112567 Edg/98.0.4758.1024

Country

fingerprintco-occurrences
CN · China4

Network (ASN)

fingerprintco-occurrences
AS134543 · China Unicom Guangdong IP network3
AS134763 · CHINANET Guangdong province network1