TCP SYN (p0f)
4:51+13:0:1460:65535,11:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-07-14 19:30 · last seen 2026-07-16 08:15 · JSON
Decomposed attributes
| IP version | 4 |
| Initial TTL | 51+13 |
| Options length | 0 |
| MSS | 1460 |
| Window size | 65535 |
| Window scale | 11 |
| 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 |
2:0;4:2097152;3:100|10485760|0|m,s,p,a | 4 |
2:0;4:2097152;3:100|10485760|1:0:0:255|m,s,p,a | 2 |
2:0;4:2097152;3:100|10485760|7:0:0:255|m,s,p,a | 1 |
2:0;4:2097152;3:100|10485760|9:0:0:255|m,s,p,a | 1 |
2:0;4:2097152;3:100|10485760|11:0:0:255|m,s,p,a | 1 |
2:0;4:2097152;3:100|10485760|13:0:0:255|m,s,p,a | 1 |
TCP SYN (JA4T)
User-Agent
Country
| fingerprint | co-occurrences |
HK · Hong Kong SAR China | 10 |
Network (ASN)
| fingerprint | co-occurrences |
AS23961 · Misaka Network, Inc. | 10 |