https://a.disquscdn.com/1530825355/images/noavatar92.png

Category: CDN Resource

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Last fetched: 2018-07-14T02:21:01.066321+00:00

HTTP status: 5 Sub-resource URL


TLS/SSL configuration report

TLS score
F
Grade capped at F
Certificate path cannot be verified to a known root certificate

See full SSL/TLS security report for a.disquscdn.com

Security-related HTTP headers

  • P3P: CP="DSP IDC CUR ADM DELi STP NAV COM UNI INT PHY DEM"

    Largely abandoned format for declaring website's privacy policy in machine-readable format. The only reason for many websites to use the header was that old versions of Microsoft Internet Explorer disallowed third-party cookies on websites missing P3P.

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  • X-Content-Type-Options: nosniff

    A non-standard but widely accepted header introduced originally by Microsoft to disable "content sniffing" or heuristic content type discovery in absence or mismatch of a proper HTTP Content-Type declaration, which led to a number of web attacks. In general, presence of the header with its only defined value of nosniff is considered as part of a properly secured HTTP response.

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  • Server: nginx

    Announces web server software and optionally version details.

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  • Strict-Transport-Security: max-age=300; includeSubdomains

    HTTP Strict Transport Security (HSTS) is an opt-in security enhancement that is specified by a web application through the use of a special response header.

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  • X-XSS-Protection: 1; mode=block

    Controls an Cross-Site Scripting (XSS) filters built into the majority of web browsers. The filter is usually turned on by default anyway, but requirement to set the header to 1 became part of canonical set of "secure" HTTP headers. Over time, vulnerabilities in the "sanitizing" mode filter were found, so 1; mode=block became the recommended value. Some companies decided that they don't really need a browser-side XSS filter to mess with their web services which are XSS-free anyway and they became consciously disabling the XSS filter by setting the header to 0.

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