TCP SYN (p0f)
4:54+10:0:1420:mss*46,7:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-06-11 23:09 · last seen 2026-06-23 16:19 · JSON
Decomposed attributes
| IP version | 4 |
|---|
| Initial TTL | 54+10 |
|---|
| Options length | 0 |
|---|
| MSS | 1420 |
|---|
| Window size | mss*46 |
|---|
| Window scale | 7 |
|---|
| Options layout | mss,sok,ts,nop,ws |
|---|
| Quirks | df,id+ |
|---|
| Payload class | 0 |
|---|
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)
HTTP request (JA4H)
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|
1:65536;2:0;4:6291456;6:262144;2618:1776450080|15663105|1:1:0:220|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144;14858:2905811796|15663105|1:1:0:220|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144;19178:3009755282|15663105|1:1:0:220|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144;51754:1454108777|15663105|1:1:0:220|m,a,s,p | 1 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|
US · United States | 8 |
BE · Belgium | 4 |
BR · Brazil | 2 |
Network (ASN)
| fingerprint | co-occurrences |
|---|
AS396982 · Google LLC | 14 |
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).