HTTP Header Checker & Security Inspector
Audit live HTTP request and response headers, test proxy anonymity levels, evaluate OWASP security grades, and inspect CDN caching rules in real-time.
Interconnected Network & Proxy Utilities
Switch seamlessly between our free diagnostic utilities to audit proxies, inspect headers, and ensure zero fingerprint leakage.
Générateur de Code
Generate ready-to-run proxy snippets in Python, Node, cURL, Go, and Playwright.
Testeur de Proxy
Bulk test HTTP & SOCKS5 proxies for latency, anonymity tiers, and real-time uptime.
Quelle est mon IP ?
Instantly inspect your public IP, exact geolocation, ISP, ASN, and WebRTC leak risks.
Inspecteur d'En-têtes HTTP
Audit HTTP request & response headers, OWASP security grades, and proxy header leaks.
Extension Chrome
1-click browser proxy switcher with automated WebRTC leak shield & live diagnostics.
How Proxies Mutate & Expose HTTP Headers
Not all proxies are created equal. When your script sends a request through a proxy server, the proxy decides whether to strip, preserve, or inject header fingerprints. Web firewalls (WAFs) immediately detect and ban scrapers using transparent or semi-anonymous proxies.
Leaves zero trace. Headers like Via, X-Forwarded-For, and Proxy-Connection are completely absent. Target servers see a genuine residential user.
Hides your origin IP, but attaches proxy identifiers (such as Via: 1.1 proxy). Target sites know you are using a proxy and frequently trigger CAPTCHAs.
Passes your real home/office IP directly inside X-Forwarded-For: [Your IP]. Zero anonymity, causing instant blocks and security leaks.
Proxy Header Inspection BenchmarkRFC 7239 Compliant
| Header Name | Elite | Anonymous | Transparent |
|---|---|---|---|
| X-Forwarded-For | None | Proxy IP | Your Real IP |
| Via | None | Present | Present |
| Remote_Addr | Proxy IP | Proxy IP | Proxy IP |
| Detection Risk | 0% (Undetected) | 85% (Flagged) | 100% (Leaked) |
The 6 Critical Web Security Headers Explained
Hardening your server with these headers prevents data theft, clickjacking, and man-in-the-middle exploits.
Forces browsers to only communicate over encrypted HTTPS connections. Eliminates SSL-stripping vulnerabilities where an attacker downgrades traffic to insecure HTTP.
Declares approved origins for executable scripts, fonts, stylesheets, and websocket endpoints. The single most effective mitigation against Cross-Site Scripting (XSS).
Instructs browsers whether a page can be rendered inside an <iframe>. Prevents clickjacking where a transparent malicious page tricks users into clicking hidden buttons.
Set to "nosniff" to forbid browsers from sniffing MIME types away from the declared Content-Type. Protects against executable code disguised as benign images or text.
Controls how much URL path and query-string data is leaked to external sites in the Referer header. Essential for protecting private customer session tokens in URLs.
Restricts access to browser hardware features including geolocation, webcam, microphone, accelerometer, and payment APIs, preventing unauthorized third-party script access.
Frequently Asked Questions
Everything you need to know about HTTP headers, proxy leaks, and browser security auditing.
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