Fox IO JA4+ vs MITMEngine: side-by-side comparison (2026)
Fox IO JA4+ is a commercial network detection and response solution by Fox IO. MITMEngine is a free network detection and response solution. Features, integrations, deployment and the company behind each one, side by side.
Protocol-layer network fingerprinting suite for bot, proxy & malware detection.
Accurate detection of HTTPS interception and robust TLS fingerprinting tool.
Side-by-side comparison
Feature
Fox IO JA4+
MITMEngine
Pricing model
Commercial
Free
Category
Network Detection and Response
Network Detection and Response
Deployment and fit
Deployment type
Hybrid
On-Premises
Company size fit
Mid-Market, Enterprise
Enterprise, Mid-Market
Open source
GitHub stars
–
814
Last commit
–
Apr 2024
Company
Company
Fox IO
–
Use cases and capabilities
Fingerprinting
Yes
No
TLS
Yes
Yes
TCP
Yes
No
SSH
Yes
No
Bot Protection
Yes
No
C2
Yes
No
Proxy
Yes
No
NDR
Yes
No
Zeek
Yes
No
Suricata
Yes
No
MITM
No
Yes
Core features
10 features listed
No features listed
Integrations
2 integrations listed
No integrations listed
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