Security Report Summary
B
Site: https://avatars1.githubusercontent.com/u/7259227
IP Address: 151.101.0.133
Report Time: 25 Mar 2017 04:01:56 UTC
Report Short URL: Hidden scans do not get a short URL.
Headers:
  • Content-Security-Policy
  • Strict-Transport-Security
  • X-Content-Type-Options
  • X-Frame-Options
  • X-XSS-Protection
  • Public-Key-Pins
  • Referrer-Policy
Raw Headers
HTTP/1.1200 OK
Cache-Controlmax-age=300
Content-Security-Policydefault-src 'none'
Content-Typeimage/png
Etag"f609b85549a4f757bdd0f27d19140d240957ae3a"
Last-ModifiedSun, 19 Apr 2015 10:42:44 GMT
Strict-Transport-Securitymax-age=31557600
Timing-Allow-Originhttps://github.com
X-Content-Type-Optionsnosniff
X-Frame-Optionsdeny
X-Xss-Protection1; mode=block
X-GitHub-Request-Id3C70:2040F:61C902E:6589B15:58D39860
Content-Length43321
Accept-Rangesbytes
DateSat, 25 Mar 2017 04:01:56 GMT
Via1.1 varnish
Connectionkeep-alive
X-Served-Bycache-sjc3633-SJC
X-CacheHIT
X-Cache-Hits1
X-TimerS1490414516.834108,VS0,VE2
Access-Control-Allow-Origin*
X-Fastly-Request-ID252ac6cfe477692401cf708263aa3ebc705a8fa2
ExpiresSat, 25 Mar 2017 04:06:56 GMT
Source-Age152403
VaryAuthorization,Accept-Encoding
Missing Headers
Public-Key-PinsHTTP Public Key Pinning protects your site from MiTM attacks using rogue X.509 certificates. By whitelisting only the identities that the browser should trust, your users are protected in the event a certificate authority is compromised.
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.
Other Services
Applause Well done! Do you want to improve your security even further? Our friends at Applause are happy to help.
Additional Information
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.
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.
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".
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.
X-Xss-ProtectionX-XSS-Protection sets the configuration for the cross-site scripting filters built into most browsers. The best configuration is "X-XSS-Protection: 1; mode=block".
Access-Control-Allow-OriginThis is a very lax CORS policy. Such a policy should only be used on a public CDN.