User-Agent
Mozilla/5.0 (X11; Linux i686; rv:109.0) Gecko/20100101 Firefox/120.0
first seen 2026-06-13 15:16 · last seen 2026-08-24 12:03 · JSON
Decomposed attributes
| Browser / client | Firefox 120.0 |
|---|
| Operating system | Linux i686 |
|---|
| Device class | desktop |
|---|
| Note | inferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above |
|---|
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)
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 25 |
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 13 |
4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 10 |
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 8 |
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 8 |
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 3 |
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 2 |
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 1 |
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 1 |
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 1 |
TCP SYN (JA4T)
Country
| fingerprint | co-occurrences |
|---|
US · United States | 66 |
DE · Germany | 4 |
FR · France | 1 |
PT · Portugal | 1 |
Network (ASN)