User-Agent

Mozilla/5.0 (X11; U; Linux i686; rv:19.0) Gecko/20100101 Slackware/13 Firefox/19.0

first seen 2026-06-14 13:17 · last seen 2026-06-14 13:17 · JSON

Decomposed attributes

Browser / clientFirefox 19.0
Operating systemLinux i686
Device classdesktop
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
t13d190900_9dc949149365_97f8aa674fd91

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr040000_209bf58f7e8c_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:54+10:0:1420:mss*46,10:mss,sok,ts,nop,ws:df,id+:01

Country

fingerprintco-occurrences
BE · Belgium1

Network (ASN)

fingerprintco-occurrences
AS396982 · Google LLC1