Selenium app redirect to Cloudflare page when hosted on Heroku

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In case the Selenium driven ChromeDriver initiated google-chrome Browsing Context is getting redirected to the page…

Attention Required! | Cloudflare...

… this implies that a Cloudflare program is blocking your program from accessing the AUT (Application under Test).

Analysis

There can be several reasons behind Cloudflare blocking the access as follows:

The access can be denied due to the following factors:

  • Cloudflare is trying to counter a possible Dictionary attack.
  • Your system IP is black listed by Cloudflare for mining Bit coins or Monero coins using your system.

In these cases eventually you are redirected to a captcha page.

Solution

In these cases the a potential solution would be to use the undetected-chromedriver to initialize the Chrome Browsing Context.

undetected-chromedriver is an optimized Selenium Chromedriver patch which does not trigger anti-bot services like Distill Network / Imperva / DataDome / Botprotect.io. It automatically downloads the driver binary and patches it.

  • Code Block:

    import undetected_chromedriver as uc
from selenium import webdriver

options = webdriver.ChromeOptions() 
options.add_argument("start-maximized")
driver = uc.Chrome(options=options)
driver.get('https://bet365.com')

Alternate Solution

An alternate solution would be to whitelist your IP address through the Project Honey Pot website and you can find the end-to-end process detailed out in the video tittled Attention Required one more step captcha CloudFlare Error.

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