TLS ClientHello (JA4)

t12d1311h2_8b80da21ef18_eb7c9aabf852

first seen 2026-06-11 23:08 · last seen 2026-06-29 23:09 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count13
Extension count11
ALPNh2
Ciphers000a, 002f, 0035, 009c, 009d, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0017, 0023, 7550, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d1311h2_000a,002f,0035,009c,009d,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,0023,7550,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d1311h2_f3d9f80bbb9f_df61914b5a48
JA4_ro (sample)t12d1311h2_c02b,c02f,c02c,c030,cca9,cca8,c013,c014,009c,009d,002f,0035,000a_ff01,0000,0017,0023,000d,0005,0012,0010,7550,000b,000a_0403,0804,0401,0503,0805,0501,0806,0601,0201

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.

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn08enus_e556cc528a46_000000000000_0000000000005
ge20nn07enus_441d50c9939d_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456|15663105|1:1:0:256|m,a,s,p6

TCP SYN (p0f)

fingerprintco-occurrences
4:246+9:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:02
4:240+15:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:244+11:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:241+14:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:238+17:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/61.0.3163.100 Chrome/61.0.3163.100 Safari/537.36 PingdomPageSpeed/1.0 (pingbot/2.0; +http://www.pingdom.com/)6

Country

fingerprintco-occurrences
US · United States3
DE · Germany2
GB · United Kingdom1

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.5
AS14618 · Amazon.com, Inc.1