4:115+13:0:1340:mss*48,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0 |
Mozilla/5.0 (Macintosh; Intel Mac OS X 13_6_1; r… |
User-Agent claims macOS |
TCP SYN initial TTL 115+13 indicates Windows
The initial TTL is set by the sending kernel (64 on Unix-like systems, 128 on Windows) and survives NAT. But VPNs, proxies and tunnels legitimately replace the sending stack, so this check never exceeds medium confidence.
| Full User-Agent | Mozilla/5.0 (Macintosh; Intel Mac OS X 13_6_1; rv:119.0) Gecko/20100101 Firefox/119.0 |
|---|
| Observed TTL | 115+13 (observed + path distance → initial) |
|---|
| Claimed OS | macOS |
|---|
| Confidence | low — single sighting of an environmental signal |
|---|
|
low |
1 |
2026-08-27 |
2026-08-27 |
4:115+13:0:1340:mss*48,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0 |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64) AppleWeb… |
User-Agent claims Linux |
TCP SYN initial TTL 115+13 indicates Windows
The initial TTL is set by the sending kernel (64 on Unix-like systems, 128 on Windows) and survives NAT. But VPNs, proxies and tunnels legitimately replace the sending stack, so this check never exceeds medium confidence.
| Full User-Agent | Mozilla/5.0 (X11; Ubuntu; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 |
|---|
| Observed TTL | 115+13 (observed + path distance → initial) |
|---|
| Claimed OS | Linux |
|---|
| Confidence | low — single sighting of an environmental signal |
|---|
|
low |
1 |
2026-08-27 |
2026-08-27 |