The Trusted sources security policy defines the value of the Content-Security-Policy HTTP response header. This header controls the resources that the user agent can load. It specifies the server origins and script endpoints for page resources. It also very useful for protection against XSS. When configuring the value for this header you can use special syntax to define your rules. For more information see: Content-Security-Policy HTTP header syntax reference.
NOTE: You can use the Content-Security-Policy-Report-Only header that will allow you to fine-tune the header without breaking any existing pages. For more information, see Administration: Configure reporting.
For more information about using the Content-Security-Policy header, see:
This security policy controls the Public-Key-Pins HTTP response header. It tells a web client to associate a specific cryptographic public key with a certain web server to decrease the risk of MITM attacks with forged certificates.
This header is disabled by default, because it requires configuration of the public key of the certificate that is used for transport layer encryption.
NOTE: You can use the Public-Key-Pins-Report-Only header that will allow you to fine-tune the header without breaking any existing pages. For more information, see Administration: Configure reporting.
For more information, see http://developer.mozilla.org/en-US/docs/Web/HTTP/Public_Key_Pinning.
This security policy defines the Referrer-Policy HTTP response header value. It governs which referrer information, sent in the Referrer header, should be included with requests made.
For more information, see http://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy.
This security policy determines the value of the Strict-Transport-Security HTTP response header. It preventssending data over unencrypted channel when a secured one is available. Strict - Transport - Security - HSTS tells browsers that content should only be communicated using HTTPS, instead of HTTP. It converts automatically all HTTP requests to HTTPS, if the site has been opened previously under HTTPS with valid certificate.
For more information, see http://www.owasp.org/index.php/HTTP_Strict_Transport_Security_Cheat_Sheet.
This security policy defines the value of the X-Content-Type-Options HTTP response header. This header prevents content sniffing for styles and scripts.
For more information, see http://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options.
This security policy controls the value of the X-Frame-Options HTTP response header, and indicates whether or not a browser should be allowed to render a page in a <frame>, <iframe>, or <object>. It helps protecting against clickjacking attacks.
For more information, see http://www.owasp.org/index.php/Clickjacking_Defense_Cheat_Sheet.
This security policy controls the value of the X-XSS-Protection HTTP response header. It prevents reflected cross-site scripting attacks. Default value blocks the rendering of a page if an attack is detected.
For more information, see http://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-XSS-Protection.
For more information, see Administration: Configure reporting.
In addition to the out-of-the-box preconfigured headers that Sitefinity CMS comes with, you can create your own additional headers.
To do this, navigate to Administration » Settings » Advanced » WebSecurity » HttpSecurityHeaders » ResponseHeaders » Create new.
HTTP protocol and browsers evolve. So, you should stay on top of the latest web security trends and use your Sitefinity CMS Web security module to extend the list of headers and keep their configuration up to date.
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