Chrome Flags Reference

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

--explicitly-allowed-ports

What does --explicitly-allowed-ports do?

Allows overriding the list of restricted ports by passing a comma-separated list of port numbers.

Usage

CLILaunch Chrome with --explicitly-allowed-ports using CLI

chrome --explicitly-allowed-ports

PuppeteerLaunch Chrome with --explicitly-allowed-ports using Puppeteer

const browser = await puppeteer.launch({
  args: ['--explicitly-allowed-ports']
});

PlaywrightLaunch Chrome with --explicitly-allowed-ports using Playwright

const browser = await chromium.launch({
  args: ['--explicitly-allowed-ports']
});

SeleniumLaunch Chrome with --explicitly-allowed-ports using Selenium

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--explicitly-allowed-ports')

driver = webdriver.Chrome(options=options)