SafeGuard Inc.

Server-Side Request Forgery allows an attacker to cause the vulnerable server to initiate requests to destinations selected by the attacker. This can expose internal services, cloud metadata endpoints, or other resources not directly reachable from the Internet. Restricting outbound connectivity through egress filtering and allowlisting limits which destinations and protocols the application server can access, significantly reducing the impact of successful SSRF exploitation. Disabling unused functionality can reduce general attack surface but does not specifically control server-initiated requests. Logging improves detection and investigation but does not prevent the requests. Content Security Policy mainly governs browser-side content and is not an effective server-side SSRF control. ECIH web-application response principles favor controls that directly block the exploited attack path; therefore, restricting outbound traffic is the strongest listed mitigation.

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