August 2024
Intermediate to advanced
186 pages
4h 3m
English
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Your Turn
Before moving on, try the following things to make sure you understand how to make your web apps more secure.
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Choose one of the apps you developed in the previous chapters.
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Modify the server code to set the Content-Security-Policy header to be as strict as possible and enable reporting of violations.
Content-Security-Policy: report-uri /csp-report'; default-src 'self' -
Implement an endpoint that handles POST requests sent to /csp-report by logging each violation.
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Add features to your web app that will trigger violations. This could include accessing images, fonts, or other resources at a different domain.
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Verify that the violations are blocked and reported.
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Modify the Content-Security-Policy so the new resource accesses are allowed. ...
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