Fox IO JA4+ vs GQUIC Protocol Analyzer: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Fox IO JA4+ is a commercial network detection and response tool by Fox IO. GQUIC Protocol Analyzer is a free network detection and response tool. Compare features, ratings, integrations, and community reviews side by side to find the best network detection and response fit for your security stack.
CST VerdictBased on our analysis of core features, integrations, here is our conclusion:
Network defenders who need visibility into Google's QUIC traffic without deploying expensive commercial sensors will find GQUIC Protocol Analyzer worth the setup time; it extracts connection metadata and behavioral fingerprints that catch anomalies most teams miss because they're not actually parsing the protocol. Zeek integration means you're working within existing detection pipelines, and the 80 GitHub stars signal it's being used in production shops, not abandoned after one release. Skip this if you need turnkey deployment or real-time alerting baked in; this is a parsing tool that requires you to own the detection logic downstream.
Data verified May 2026
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Fox IO JA4+
Protocol-layer network fingerprinting suite for bot, proxy & malware detection.
GQUIC Protocol Analyzer
A Zeek-based protocol analyzer that parses GQUIC traffic to extract connection metadata and create fingerprints for detecting anomalous network behavior.
Side-by-Side Comparison
Feature
Fox IO JA4+
GQUIC Protocol Analyzer
Pricing Model
Commercial
Free
Category
Network Detection and Response
Network Detection and Response
Verified Vendor
Open Source
GitHub Stars
80
Last Commit
Sep 2023
Company Information
Company
Fox IO
Headquarters
Founded, Size & Funding
Use Cases & Capabilities
Fingerprinting
TLS
TCP
SSH
Bot Protection
C2
Proxy
NDR
Zeek
Suricata
Packet Analysis
Protocol Analysis
Network Monitoring
Anomaly Detection
NIST CSF 2.0 Coverage
NIST CSF 2.0 Mapping
Access NIST CSF 2.0 data from thousands of security products via MCP to assess your stack coverage.
Access via MCPCore Features
- TLS client fingerprinting (JA4)
- TLS server/session fingerprinting (JA4S)
- HTTP client fingerprinting (JA4H)
- Client/server latency and light distance estimation (JA4L/JA4LS)
- X.509 TLS certificate fingerprinting (JA4X)
- SSH traffic fingerprinting (JA4SSH)
- TCP client and server fingerprinting (JA4T/JA4TS)
- VPN and proxy identification regardless of source IP
- No features listed
Integrations
Zeek
Suricata
No integrations listed
Community
Community Votes
0
0
Bookmarks
User Reviews
No reviews yet
No reviews yet
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