All-in-one free web application security tool. Web application vulnerability and privacy scanner with support for HTTP cookies, Flash, HTML5 localStorage, sessionStorage, CANVAS, Supercookies, Evercookies. Includes a free SSL/TLS, HTML and HTTP vulnerability scanner and URL malware scanner.
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Last fetched: 2020-03-09T13:23:30.859980+00:00
HTTP status: 5 Sub-resource URL
Announces web server software and optionally version details.Read more...
A non-standard and purely informational, but still very widespread header, whose only purpose is to advertise the name and optionally version of the software used to run the web server.Read more...
Strict-Transport-Security: max-age=31536000; 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.Read more...
HTTP Strict Transport Security is enabled+2
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.
Fuzzy content type guessing is disabled+1
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
XSS auditor is enabled in blocking mode+1
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.
Transport Layer Security (TLS) is enabled+2
X-Frame-Options header is missing
default-src https: data: blob: react-js-navigation: android-webview: android-webview-video-poster: 'unsafe-inline' 'unsafe-eval'; report-uri https://svd.report-uri.com/r/d/csp/enforce
base-uri allows attackers to inject
base tags which override the base URI to an attacker-controlled origin. Set to
'none' unless you need to handle tricky relative URLs scheme
block-all-mixed-content directive if your website is only accessible over TLS and you are certain it doesn not have any legacy plaintext resources. Otherwise you may add adding
upgrade-insecure-requests directive if your website may still have some legacy plaintext HTTP resources and you want them to be still available rather than blocked
default-src data: origin allows bypassing CSP and execution of inlined untrusted scripts
default-src 'unsafe-inline' allows bypassing of CSP and execution of inlined untrusted scripts. Use
default-src 'unsafe-eval' allows bypassing of CSP and execution of inlined untrusted scripts. Use
Want second opinion? Try Google CSP Evaluator.