TLS ClientHello (JA4)

t13d1715h1_5b57614c22b0_e8ed158c4d85

first seen 2026-07-01 18:29 · last seen 2026-07-04 01:25 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count17
Extension count15
ALPNh1
Ciphers002f, 0035, 009c, 009d, 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0015, 0017, 0023, 002b, 002d, 0033, fe0d, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt13d1715h1_002f,0035,009c,009d,1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0015,0017,0023,002b,002d,0033,fe0d,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t13d1715h1_bbc337f0a232_a54b30c22fc7
JA4_ro (sample)t13d1715h1_1301,1302,1303,c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,009c,009d,002f,0035_0000,fe0d,0017,ff01,000a,000b,0023,0010,0005,000d,0012,0033,002d,002b,0015_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
ge11nn050000_5ddb03fb9e99_000000000000_00000000000025
ge11nn050000_8a08de6f3d0a_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:44+20:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:020
4:44+20:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-:05
4:51+13:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1460_625
42340_2-4-8-1-3_1460_111

User-Agent

fingerprintco-occurrences
JoshMarketingNewsPulse/0.1 (+https://example.local; contact=local)25
Claude-User (claude-code/2.1.119; +https://support.anthropic.com/)1

Country

fingerprintco-occurrences
US · United States26

Network (ASN)

fingerprintco-occurrences
AS20115 · Charter Communications LLC25
AS138997 · Eons Data Communications Limited1