CSP for AppNexus (now Xandr)

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Using AppNexus (now Xandr) with Content Security Policy

A popular advertising network for personalized retargeting.

Allow these directives in your CSP, to support AppNexus (now Xandr) in your Content Security Policy:

script-src
  https://*.adnxs.com
  https://*.adnxs-simple.com;
frame-src
  data:
  *.adnxs.com;
child-src
  data:
  *.adnxs.com;
img-src
  *.adnxs.com
  *.adnxs-simple.com
  about:;
font-src
  data:;
connect-src
  *.adnxs.com
  *.adnxs-simple.com;
base-uri
  *.adnxs.com;
media-src
  *.adnxs.com
  *.adnxs-simple.com;

The main domains used by AppNexus (now Xandr) are:

adnxs.com
adnxs-simple.com

Example Content-Security-Policy violations / reports:

Using the above CSP package, will fix these errors that you may be seeing in your console logs:

script-src/script-src-elem/script-src-attrviolations

Refused to load the script 'https://cdn.adnxs.com/v/s/212/trk.js' because it violates the following Content Security Policy directive: "script-src 'self' 'report-sample'". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback.

script-src/script-src-elem/script-src-attrviolations

Refused to load the script 'https://cdn.adnxs.com/v/s/212/trk.js' because it violates the following Content Security Policy directive: "script-src 'self' 'report-sample'". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback.

script-src/script-src-elem/script-src-attrviolations

Refused to load the script 'https://cdn.adnxs.com/v/s/212/trk.js' because it violates the following Content Security Policy directive: "script-src 'self' 'report-sample'". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback.

style-src/style-src-elem/style-src-attrviolations

Refused to load the stylesheet 'adnxs.com' because it violates the following Content Security Policy directive: "style-src 'self' 'report-sample'". Note that 'style-src-elem' was not explicitly set, so 'style-src' is used as a fallback.

If you see inline style errors, you need to add SHA-256 hashes / nonces to your CSP with RapidSec:

Refused to apply inline style because it violates the following Content Security Policy directive: "style-src 'self' 'report-sample'". Either the 'unsafe-inline' keyword, a hash ('sha256-RFWPLDbv2BY+rCkDzsE+0fr8ylGr2R2faWMhq4lfEQc='), or a nonce ('nonce-...') is required to enable inline execution.

font-srcviolations

Refused to load the font 'adnxs.com' because it violates the following Content Security Policy directive: "font-src 'self'"

img-srcviolations

Refused to load the image 'adnxs.com' because it violates the following Content Security Policy directive: "img-src 'self'".

frame-srcviolations

[Report Only] Refused to frame 'adnxs.com' because it violates the following Content Security Policy directive: "frame-src 'self'".

form-actionviolations

[Report Only] Refused to send form data to 'adnxs.com' because it violates the following Content Security Policy directive: "form-action 'self'".

connect-srcviolations

[Report Only] Refused to connect to 'adnxs.com' because it violates the following Content Security Policy directive: "connect-src 'self'"

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