Security Report Summary
A
Site: https://app.avion.io/
IP Address: 165.227.255.130
Report Time: 13 Nov 2019 20:47:36 UTC
Headers:
  • X-Frame-Options
  • Referrer-Policy
  • Content-Security-Policy
  • Strict-Transport-Security
  • X-Content-Type-Options
  • Feature-Policy
Warning: Grade capped at A, please see warnings below.
Supported By
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Raw Headers
HTTP/1.1200 OK
Servernginx/1.14.1
DateWed, 13 Nov 2019 20:47:36 GMT
Content-Typetext/html; charset=utf-8
Transfer-Encodingchunked
Connectionkeep-alive
X-Frame-Optionssameorigin
Referrer-Policyorigin-when-cross-origin
X-XSS-Protection1; mode=block
Content-Security-Policydefault-src 'self' data: 'unsafe-inline' wss://*.app.avion.io wss://app.avion.io https://*.fullstory.com https://fullstory.com https://*.google-analytics.com https://*.googleapis.com https://*.crisp.chat wss://*.crisp.chat https://*.gravatar.com https://*.gstatic.com blob: https://s3.amazonaws.com https://*.chargebee.com; img-src * 'self' data:
X-Powered-ByExpress
VaryAccept-Encoding
Strict-Transport-Securitymax-age=31536000
Missing Headers
X-Content-Type-OptionsX-Content-Type-Options stops a browser from trying to MIME-sniff the content type and forces it to stick with the declared content-type. The only valid value for this header is "X-Content-Type-Options: nosniff".
Feature-PolicyFeature Policy is a new header that allows a site to control which features and APIs can be used in the browser.
Warnings
Referrer-PolicyThe "origin-when-cross-origin" value is not recommended.
Content-Security-PolicyThis policy contains 'unsafe-inline' which is dangerous in the default-src directive.
Upcoming Headers
Expect-CTExpect-CT allows a site to determine if they are ready for the upcoming Chrome requirements and/or enforce their CT policy.
Additional Information
ServerThis Server header seems to advertise the software being run on the server but you can remove or change this value.
X-Frame-OptionsX-Frame-Options tells the browser whether you want to allow your site to be framed or not. By preventing a browser from framing your site you can defend against attacks like clickjacking.
Referrer-PolicyReferrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites.
X-XSS-ProtectionX-XSS-Protection sets the configuration for the XSS Auditor built into older browser. The recommended value was "X-XSS-Protection: 1; mode=block" but you should now look at Content Security Policy instead.
Content-Security-PolicyContent Security Policy is an effective measure to protect your site from XSS attacks. By whitelisting sources of approved content, you can prevent the browser from loading malicious assets. Analyse this policy in more detail. You can sign up for a free account on Report URI to collect reports about problems on your site.
X-Powered-ByX-Powered-By can usually be seen with values like "PHP/5.5.9-1ubuntu4.5" or "ASP.NET". Trying to minimise the amount of information you give out about your server is a good idea. This header should be removed or the value changed.
Strict-Transport-SecurityHTTP Strict Transport Security is an excellent feature to support on your site and strengthens your implementation of TLS by getting the User Agent to enforce the use of HTTPS.