Chrome Flags Reference

Chrome command line switches and startup flags for automation, headless mode, and debugging.

--host-resolver-rules

What does --host-resolver-rules do?

These mappings only apply to the host resolver.

Usage

CLILaunch Chrome with --host-resolver-rules using CLI

chrome --host-resolver-rules

PuppeteerLaunch Chrome with --host-resolver-rules using Puppeteer

const browser = await puppeteer.launch({
  args: ['--host-resolver-rules']
});

PlaywrightLaunch Chrome with --host-resolver-rules using Playwright

const browser = await chromium.launch({
  args: ['--host-resolver-rules']
});

SeleniumLaunch Chrome with --host-resolver-rules using Selenium

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--host-resolver-rules')

driver = webdriver.Chrome(options=options)