TCP SYN (p0f)
4:39+25:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-06-15 02:43 · last seen 2026-06-15 02:47 · JSON
Decomposed attributes
| IP version | 4 |
| Initial TTL | 39+25 |
| Options length | 0 |
| MSS | 1460 |
| Window size | mss*20 |
| 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)
User-Agent
Country
| fingerprint | co-occurrences |
CN · China | 4 |
Network (ASN)
| fingerprint | co-occurrences |
AS4811 · China Telecom (Group) | 4 |