overleaf/services
Tim Alby d6834ff417 add security headers using Helmet
- use all Helmet's default headers except `X-DNS-Prefetch-Control`
- use `Referrer-Policy`
- use cache headers when:
  - a user is logged in, OR
  - a project is displayed
2017-09-12 11:17:59 +02:00
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web add security headers using Helmet 2017-09-12 11:17:59 +02:00