TCP SYN (p0f)

6:50+14:0:1432:mss*45,8:mss,nop,ws,nop,nop,sok:flow:0

first seen 2026-08-11 15:54 · last seen 2026-08-13 05:10 · JSON

Decomposed attributes

IP version6
Initial TTL50+14
Options length0
MSS1432
Window sizemss*45
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksflow
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
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.4
t13d1512h1_8daaf6152771_8e6e362c5eac3
t13d1516h2_8daaf6152771_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +28 more.The fingerprint page shows the full measured match list. More on the catalog.2
t13d1516h1_8daaf6152771_d8a2da3f94cd1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn020000_fb4f949fd323_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.9, powershell 7.6.8.The fingerprint page shows the full measured match list. More on the catalog.3
ge20nn13enus_9519c2577190_000000000000_0000000000001
ge20nr12enus_54b4638ab28b_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, chrome 151.0.7922.137, +61 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge20nn030000_6dac75bd47eb_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nn07*000_4ae0f4a72b53_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.21.0, node-fetch 24.19.0, node-fetch 24.22.1, +7 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nn040000_08e7224bf8c7_000000000000_0000000000001
ge20nn05*000_ba03334ad3ea_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 26.13.0, node-fetch 26.4.0.The fingerprint page shows the full measured match list. More on the catalog.1
ge20nn05*000_754588453448_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +60 more.The fingerprint page shows the full measured match list. More on the catalog.5
2:0;4:262144|458753|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 26.13.0, node-fetch 26.4.0.The fingerprint page shows the full measured match list. More on the catalog.2
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 152.0.7977.83, +85 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-1-3-1-1-4_1432_810

User-Agent

fingerprintco-occurrences
undici2
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 OPR/134.0.0.02
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9243 Chrome/138.0.7204.251 Electron/37.6.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9243 Chrome/131.0.6778.267 Electron/37.6.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.361
tls-client/2.1.01

Country

fingerprintco-occurrences
VN · Vietnam10

Network (ASN)

fingerprintco-occurrences
AS7552 · Viettel Group10

Cross-transport links

TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).

fingerprintlinked observations
q13d0311h3_55b375c5d22e_653d80c3fe9d1