How to Disable the Same-Origin Policy in Chrome?

Disabling Same-Origin Policy in Chrome

Question:
How can the same-origin policy be disabled in Chrome?

Answer:
To disable the same-origin policy in Chrome, follow these steps:

1. Close Chrome: Quit all instances of the browser.

2. Restart with Argument: Launch Chrome using the following command:

   chromium-browser --disable-web-security --user-data-dir=[some directory here]

3. Ignore Warning: Upon opening, Chrome will display a warning about using an unsupported command. Ignore this message.
4. Disable Policy: The same-origin policy is now disabled.

Note:

• All Chrome instances must be closed before running the command.
• This method was tested with Chromium 5 on Ubuntu and allows access to the contents of an iframe with the source "http://google.com" from a localhost-served page.
• In Chrome versions prior to 48, the command was simply "chromium-browser --disable-web-security".

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