User-Agent

OpenBash-Surface/2.1 (+https://openbash.com/scan-policy.html)

first seen 2026-07-19 20:54 · last seen 2026-10-30 12:10 · JSON

Last 7 days (1 observations)

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Browser / clientOpenBash-Surface 2.1
Device classbot
Declared URLhttps://openbash.com/scan-policy.html
Noteinferred 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)

fingerprintco-occurrences
t13d1813h1_85036bcba153_d339722ba4af3
t13d3112h1_e8f1e7e78f70_d41ae481755e1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_5b1e8b5f4d2d_000000000000_0000000000003
ge11nn040000_e1d2031bdfea_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:51+13:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:01
4:106+22:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:107+21:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:105+23:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_83
65535_2-4-8-1-3_1460_91

Country

fingerprintco-occurrences
AR · Argentina3
US · United States1

Network (ASN)

fingerprintco-occurrences
AS7303 · Telecom Argentina S.A.3
AS20473 · The Constant Company, LLC1

TLS supported groups

fingerprintco-occurrences
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog.1