OK
reachable
You:
Bot 100.0%
Low
Meta-ExternalAgent
· Chrome 145.0.0 / Windows Bot
AiBot
Policy:
rate-limit-ai
Probability
89 %
Confidence
94 %
Risk Profile
VeryHigh
Threat
None
Hit Count
2
Last Seen
now
Analysis
Meta-ExternalAgent on /dashboard/entity... - caught by Known AI training bot: Meta-ExternalAgent (Meta), Known bot pattern: Meta-ExternalAgent, TLS connection appears normal
Detection Signals
- ↑ Heuristic model (late): 99 % bot likelihood (287 features) 2.45
- ↑ Known AI training bot: Meta-ExternalAgent (Meta) 1.90
- ↑ Known bot pattern: Meta-ExternalAgent 1.35
- ↑ Heuristic model (early): 82 % bot likelihood (23 features) 1.29
- ↓ IP appears normal: 2a03:2880:... 0.15
- ↓ Request patterns appear normal 0.15
Closest to
Chrome Desktop
Drift vs
31.8%
Fingerprint Profile
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2
Protocol Client
TLS_AES_256_GCM_SHA384
TCP OS Hint
Unavailable
Fingerprint Integrity
Suspect
UA Consistency
Flagged
Headless Indicator
Low
Datacenter IP
Clean
Browser modes same browser, different modes. One row per persisted mode
| Mode | Observations | Maturity | Shift from baseline | Last seen |
|---|---|---|---|---|
| bot-raw | 4856 | 4856 | 0.15 (priority, header order hash, sec ch ua platform) | 19:59:00 |
| signalr-negotiate | 484 | 484 | 0.20 (header order hash, header case pattern, accept encoding ordered) | 19:11:23 |
| navigation | 1600 | 1600 | 0.37 (accept, sec ch ua brands ordered, priority) | 18:19:21 |
| sub-resource | 530 | 530 | 0.29 (priority, header order hash, accept) | 14:43:58 |
4 modes across 7470 observations. See composite browser-mode fingerprints.
Endpoints Visited (2) Click to expand · stats unavailable
| # | Path |
|---|---|
| 1 | /dashboard/entity/2037c2b4df404b5b |
| 2 | /_content/Mostlylucid.BotDetection.UI/img/stylowall.svg |
Raw Requests (2) Click to expand
| Time | Method | Path | Status | Prob | Conf | Risk Profile | Action | Time |
|---|---|---|---|---|---|---|---|---|
| 19:01:59 | GET | /dashboard/entity/2037c2b4df404b5b | 302 | 100 % | 50 % | VeryHigh | rate-limit-ai | 41.1ms |
| 12:08:06 | GET | /_content/Mostlylucid.BotDetection.UI/img/stylowall.svg | 200 | 100 % | 50 % | VeryHigh | rate-limit-ai | 41.5ms |
Bot Probability & Confidence History
StyloBot Detection Overhead (ms)
User Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
Detector Contributions (18 detectors)
| Detector | Confidence Delta | Timing (ms) |
|---|---|---|
|
HeuristicLate
Heuristic model (late): 99 % bot likelihood (287 features)
|
+0.979 | 0.3 |
|
AiScraper
Known AI training bot: Meta-ExternalAgent (Meta)
|
+0.950 | 0.0 |
|
UserAgent
Known bot pattern: Meta-ExternalAgent
|
+0.900 | 0.9 |
|
Heuristic
Heuristic model (early): 82 % bot likelihood (23 features)
|
+0.645 | 0.1 |
|
Ip
IP appears normal: 2a03:2880:...
|
-0.150 | 1.9 |
|
Behavioral
Request patterns appear normal
|
-0.150 | 0.1 |
|
TlsFingerprint
TLS connection appears normal
|
-0.150 | 0.0 |
|
TcpIpFingerprint
Missing connection reuse header (unusual for real browsers)
|
+0.200 | 0.0 |
|
Http2Fingerprint
No HTTP/2 stream priority (browsers typically use this)
|
+0.050 | 0.0 |
|
AI
AI analysis: borderline case, monitoring
|
+0.000 | 10.2 |
|
Header
Browser UA without Accept-Language; deployment norm is low language rate (58 % over 62 samples)
|
+0.000 | 0.0 |
|
VerifiedBot
No known bot UA pattern
|
+0.000 | 27.3 |
|
SecurityTool
No security tools detected in User-Agent
|
+0.000 | 0.1 |
|
RequestHydrator
Request signals hydrated to sink
|
+0.000 | 0.0 |
|
Http3Fingerprint
Connection uses HTTP/2 (not HTTP/3)
|
+0.000 | 0.0 |
|
HeaderCorrelation
Single signature per header profile
|
+0.000 | 0.0 |
|
TransportProtocol
Transport protocol analysis complete
|
+0.000 | 0.0 |
|
FastPathReputation
No known patterns in reputation cache
|
+0.000 | 0.0 |
Signal Intelligence
h2
protocol
h2
request
protocol
HTTP/2
accept_encoding
gzip, br
risk
justification
Classified AiBot (probability 1.00, confidence 0.50)
friendly_pin_trace
not-applicable:botType=AiBot,yamlType=AiBot,botName=Meta-ExternalAgent
tls
cipher
TLS_AES_256_GCM_SHA384
Version
TLSv1.3
version
TLSv1.3
Policy applied
Hit history
No sessions recorded yet.
Sessions are created when a visitor's activity gap exceeds 30 minutes.
Effective policy
Loading effective policy…
ASP.NET Pack — Auth health
JWKS reachable
Licensed
ASP.NET pack enabled
OTel Mesh — Traces
Fingerprint timeline
91e6038ebacb4268a4bab17554356661
0 observations
Span + log activity for this fingerprint, ordered by timestamp.
No timeline observations
OTel Mesh receiver online, but no observations seen for this fingerprint id (check W3C baggage propagation)
Operator actions
Operator actions
Block/Allow writes a scoped policy rule for this fingerprint — a policy action, applied via the live policy pipe. It is never a skip-detection bypass.
Signature:
dcvc-ikSB50Ql_0dmlaG6w
|
Processing: 41ms
|
Country: US
|
UA: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
|
First seen: 2026-07-23 12:08:06 UTC