The Nginx application is deployed on a Linux host.

Comprehensive and Detailed Explanation:

Nginx logs store detailed HTTP request information, including:

RequestedURLs

ClientIP addresses

Query parameters(which may contain SQL injection attempts)

SQL injection detection using logs:

SuspiciousSQL keywordsin GET/POST requests (e.g., ' OR 1=1 -- or UNION SELECT).

Repeated attack attemptsfrom a single source IP.

Why is this statement true?

Nginx logs provide full request details, enabling engineers to detect SQL injection attempts.

HCIP-Security References:

Huawei HCIP-Security Guide → Web Attack Detection & Log Analysis