SSL Stripping Detector

Check for SSL stripping vulnerabilities

About SSL Stripping

SSL stripping (also known as SSL/TLS downgrade attack) is a man-in-the-middle attack where an attacker intercepts a user's connection and downgrades it from HTTPS to HTTP. The attacker establishes their own HTTPS connection to the server while communicating with the victim over unencrypted HTTP. Our detector checks if your website is vulnerable by testing HSTS enforcement, HTTPS redirect behavior, and certificate validation.

How to Use

Enter the domain name of the website you want to test.
Click "Run" to perform the SSL stripping vulnerability check.
Review the results showing HSTS status, HTTPS redirect behavior, and vulnerability assessment.
Follow the recommendations to enable HSTS and enforce HTTPS to protect against stripping attacks.

Use Cases

•Check if your website is vulnerable to man-in-the-middle downgrade attacks
•Verify HSTS (HTTP Strict Transport Security) is properly configured
•Audit HTTPS redirect chains for security gaps
•Ensure compliance with security best practices for transport layer security

Frequently Asked Questions

An SSL stripping attack exploits the fact that many users type a domain name without specifying HTTPS. An attacker intercepts the initial HTTP request and maintains an unencrypted connection with the victim while proxying the traffic to the legitimate HTTPS server. This allows the attacker to read and modify traffic in transit.

HSTS (HTTP Strict Transport Security) tells browsers to always connect to your site over HTTPS, even if the user types HTTP or clicks an HTTP link. This prevents SSL stripping attacks by ensuring the browser never makes an unencrypted request to your domain after the first HTTPS visit.

The recommended HSTS max-age is 31536000 seconds (1 year). You should also include the `includeSubDomains` directive to protect all subdomains. For maximum protection, consider submitting your domain to browser preload lists, which hardcode HSTS rules into browsers.

Tips & Best Practices

•Detect SSL stripping attacks that downgrade HTTPS to HTTP
•Enable HSTS to prevent SSL stripping attacks
•Monitor for SSL stripping indicators in web traffic
•Implement HSTS preloading for maximum protection

Technical Details

Attack: SSL stripping attack detection and prevention
Protection: HSTS and HSTS preloading
Detection: HTTP to HTTPS downgrade detection
Output: SSL stripping protection status and recommendations