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Session Fixation Checker

Deep static checks + exports (JSON/CSV/PDF)

Server - Side Code

Supported: JS/TS, PHP, Python, Java, C#, Ruby, Go, TXT

Ready to analyze your code

Paste server-side code and click "Analyze"

Session Security Best Practices

  • • Regenerate session ID after login and privilege escalation.
  • • Use HttpOnly, Secure, SameSite cookies; set maxAge and rolling policy.
  • • Strong entropy for tokens; avoid Math.random/Date.now.
  • • Validate session on every request; bind to IP/UA where appropriate.
  • • Force HTTPS + HSTS; avoid mixed content.
  • • Invalidate session on logout server-side; enforce MFA for sensitive flows.
Report exports: JSON/CSV (server) • PDF (client)