Which tool is used to identify the real IP address of load balancers behind a proxy?

• A. Halberd
• B. lbd
• C. Intercepting Traffic from Browser Extensions
• D. SAML messages

Answer: (A)

Identifying the real address behind a proxy hinges on spotting leakage or misconfigurations that reveal the backend. Halberd is built to automate this kind of probing, looking for common ways a proxy might disclose or hint at the true origin. It analyzes HTTP headers that may be forwarded by the proxy (like X-Forwarded-For or X-Real-IP), checks for misconfigurations, and uses other signals to deduce the backend or origin IP. That focus matches the task of finding the real IP behind a load balancer or proxy, making it the best fit.

The other options don’t serve this purpose: lbd isn’t a standard tool for exposing origin IPs behind proxies; intercepting traffic from browser extensions is a technique to capture data rather than a dedicated IP-reveal tool; SAML messages pertain to authentication and don’t help identify the backend’s IP.