Hardening KrakenJS Applications with Helmet and Content Security Policy
Learn how to mitigate XSS risks in KrakenJS by implementing a strict Content Security Policy (CSP) using Helmet middleware and dynamic nonces.
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krakenjsHardening an Express App with KrakenJS's Helmet Middleware
A fresh Express server ships with almost no security headers. KrakenJS's Helmet middleware fixes that with one line — here's what it sets, how to tune the CSP per route, and where it falls short.
expressKrakenJS Helmet CSP script-src directive default value
KrakenJS includes the Helmet middleware to automatically apply a Content Security Policy header. By default, the injected CSP omits a script-src directive, which permits all scripts unless the developer adds one explicitly. The goal is to determine whether KrakenJS should supply a default script-src value that balances security with developer ergonomics. Con