https://s3-media2.fl.yelpcdn.com/photo/zQklGb4YPAReFI89i4bbvA/60s.jpg

Category: CDN Resource

Keywords: accessdeniedaccess denied3fc16fd5dd4f066dhcetalzvomryd32rqpzcdw2c2m24q1dnkhfxamebh6sdnto2dycz5jga16womtjzpkfjigqhs


Last fetched: 2019-02-08T10:06:49.836902+00:00

HTTP status: 5 Sub-resource URL


TLS/SSL configuration report

TLS score
C
Grade capped at C
Grade capped due to 64-bit cipher (IDEA, RC2, DES or 3DES)

See full SSL/TLS security report for s3-media2.fl.yelpcdn.com

Security-related HTTP headers

  • Server: AmazonS3

    Announces web server software and optionally version details.

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  • Access-Control-Allow-Origin: *

    Controls origins (websites) that are allowed to load data from this web service over JavaScript-based APIs as part of Cross-Origin Resource Sharing (CORS) standard. By default, a web browser will refuse to load data over XmlHttpRequest from a website that is not in the same origin, which is a precaution against various types of data stealing attacks. The target server has to explicitly allow the origin domain using the Access-Control-Allow-Origin (ACAO) header, or it may allow all origins to access it using a wildcard *. The latter however creates a potential security issue if the website in question is transactional and processing sensitive data, so the wildcard should be only used on websites consciously offering public APIs.

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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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  • Strict-Transport-Security: max-age=31536000; includeSubDomains; preload

    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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