Note: This item is part of a series that uses the same scenario. Each question in the series tests a different solution; some sets may have multiple correct solutions and some none. After you answer a question here you cannot return to it. You manage an Azure Application Gateway that has Web Application Firewall (WAF) enabled. The gateway is configured to route requests to its own URL. When you browse to the gateway URL you receive an HTTP 403 response. Diagnostics show a WAF block for the request. You must allow the URL to be reachable through the Application Gateway from any client IP. Solution: Add a WAF policy exclusion for request headers that contain the value 137.135.10.24. Does this meet the requirement?

This solution is incorrect because adding a WAF policy exclusion for request headers containing a specific IP address (137.135.10.24) will not resolve the HTTP 403 error. The problem states that the WAF is blocking the request, and the goal is to allow the URL to be reachable from any client IP. Excluding a specific value in a request header is too narrow and doesn't address the root cause of the WAF block, which is likely a rule being triggered by the request content or structure, not a specific header value related to an IP. To fix a WAF block, you typically need to identify the specific WAF rule being triggered and either disable it (if safe) or create a more targeted exclusion for the problematic pattern, not an IP in a header.