TCP SYN (p0f)

4:50+14:0:1394:65535,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-27 13:54 · last seen 2026-07-30 10:23 · JSON

Decomposed attributes

IP version	`4`
Initial TTL	`50+14`
Options length	`0`
MSS	`1394`
Window size	`65535`
Window scale	`9`
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)

fingerprint	co-occurrences
`t13d1516h2_8daaf6152771_806a8c22fdea` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +24 more.The fingerprint page shows the full measured match list. More on the catalog.	39
`t13d1616h2_86a278354501_eeeea6562960`	7

HTTP request (JA4H)

fingerprint	co-occurrences
`ge20nn14rukg_00c893c2b404_000000000000_000000000000`	15
`ge20nr11rukg_33778c32ea55_000000000000_000000000000`	12
`ge20nn13rukg_0c2c1d640f3e_000000000000_000000000000`	6
`ge20nr12rukg_54b4638ab28b_000000000000_000000000000`	3
`ge20nn12rukg_c0858481ddaa_000000000000_000000000000`	3
`ge20nn11rukg_3901d4197baf_000000000000_000000000000`	3
`ge20nn10rukg_d353d425b0bb_000000000000_000000000000`	2
`ge20nr09rukg_bfc092dff6c6_000000000000_000000000000`	2

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:1:0:256\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog.	12
`1:65536;2:0;4:6291456;6:262144\|15663105\|3:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 151.0.7922.34, chromium 147.0.7727.15, chromium 145.0.7632.6, +21 more.The fingerprint page shows the full measured match list. More on the catalog.	7
`1:65536;2:0;4:6291456;6:262144\|15663105\|5:1:0:256\|m,a,s,p`	4
`1:65536;2:0;4:6291456;6:262144\|15663105\|7:1:0:220\|m,a,s,p`	4
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +59 more.The fingerprint page shows the full measured match list. More on the catalog.	3
`1:65536;2:0;4:6291456;6:262144\|15663105\|13:1:0:256\|m,a,s,p`	2
`1:4096;2:0;4:32768;5:16384\|12517377\|3:0:0:42\|m,p,a,s`	2
`1:4096;2:0;4:32768;5:16384\|12517377\|9:0:0:22\|m,p,a,s`	2
`1:65536;2:0;4:6291456;6:262144\|15663105\|5:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 133.0.6943.16, chrome 150.0.7871.128, chromium 148.0.7778.96, +2 more.The fingerprint page shows the full measured match list. More on the catalog.	1
`1:65536;2:0;4:6291456;6:262144\|15663105\|3:1:0:256\|m,a,s,p`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`65535_2-4-8-1-3_1394_9`	46

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36`	39
`Mozilla/5.0 (Android 15; Mobile; rv:153.0) Gecko/153.0 Firefox/153.0`	7

Country

fingerprint	co-occurrences
`TR` · Turkey	46

Network (ASN)

fingerprint	co-occurrences
`AS15924` · Vodafone Net Iletisim Hizmetler AS	46

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).

fingerprint	linked observations
`q13d0311h3_55b375c5d22e_653d80c3fe9d`	10
`q13d0315h3_55b375c5d22e_dc5437974b47`	2

fingerprint	co-occurrences
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:1:0:256\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog.	12
`1:65536;2:0;4:6291456;6:262144\|15663105\|3:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 151.0.7922.34, chromium 147.0.7727.15, chromium 145.0.7632.6, +21 more.The fingerprint page shows the full measured match list. More on the catalog.	7
`1:65536;2:0;4:6291456;6:262144\|15663105\|5:1:0:256\|m,a,s,p`	4
`1:65536;2:0;4:6291456;6:262144\|15663105\|7:1:0:220\|m,a,s,p`	4
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +59 more.The fingerprint page shows the full measured match list. More on the catalog.	3
`1:65536;2:0;4:6291456;6:262144\|15663105\|13:1:0:256\|m,a,s,p`	2
`1:4096;2:0;4:32768;5:16384\|12517377\|3:0:0:42\|m,p,a,s`	2
`1:4096;2:0;4:32768;5:16384\|12517377\|9:0:0:22\|m,p,a,s`	2
`1:65536;2:0;4:6291456;6:262144\|15663105\|5:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 133.0.6943.16, chrome 150.0.7871.128, chromium 148.0.7778.96, +2 more.The fingerprint page shows the full measured match list. More on the catalog.	1
`1:65536;2:0;4:6291456;6:262144\|15663105\|3:1:0:256\|m,a,s,p`	1