● Tools / Fingerprint Verifier TCP OS Fingerprint
TCP OS Fingerprint
Verifier & Scanner
Check if your proxy reveals its server origin. Anti-bot firewalls use passive p0f fingerprinting to read TCP parameters like MSS, MTU, and TTL to detect browser profile mismatches.
Direct Connection Audit
Your Detected IP 172.18.0.6
Browser User-Agent OS Unknown OS
Passive TCP Signature MTU: 1500 / MSS: 1460
OS Fingerprint Match
100% Matches Browser OS
*This panel shows the signature of your direct browser connection. Below, verify if your proxy is masking these parameters correctly.
Audit Proxy Stack
Input your proxy credentials to test SOCKS5 or HTTP TCP fingerprint properties.