Disable x-powered-by header#7
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Express sends an `X-Powered-By: Express` response header by default, which exposes server implementation details. Disabling it is a common security best practice recommended by Express itself and tools like helmet.
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Summary
X-Powered-By: Expressresponse header by callingapp.disable('x-powered-by')Exposing the
X-Powered-Byheader leaks server implementation details, making it easier for attackers to target known Express vulnerabilities. Disabling it is a common security best practice recommended by Express itself and security middleware like helmet.This is a one-line change with no functional impact on the application.