Disable cross domain web security in Firefox

Question

In Firefox, how do I do the equivalent of --disable-web-security in Chrome. This has been posted a lot, but never a true answer. Most are links to add-ons (some

Answer 1

For anyone finding this question while using Nightwatch.js (1.3.4), there's an acceptInsecureCerts: true setting in the config file:

firefox: {
      desiredCapabilities: {
        browserName: 'firefox',
        alwaysMatch: {
          // Enable this if you encounter unexpected SSL certificate errors in Firefox
          acceptInsecureCerts: true,
          'moz:firefoxOptions': {
            args: [
              // '-headless',
              // '-verbose'
            ],
          }
        }
      }
    },