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What does ERR_NGROK_3208 mean?

ngrok returns ERR_NGROK_3208 with this message:

Why does ngrok return ERR_NGROK_3208?

This error occurs when a ngrok account has been banned, usually due to suspected phishing or login capture activities. While the ban is in place, any endpoints or endpoints associated with the account will not function.

What should I do if a website shows ERR_NGROK_3208?

If you encountered this error while trying to access a website:
  • Do not enter any sensitive information on this page.
  • Close the webpage.
  • If you’ve already entered information, contact the intended website directly by typing their official URL into your browser.
Learn more about how to protect yourself from phishing scams: https://consumer.ftc.gov/articles/how-recognize-and-avoid-phishing-scams

How do I fix ERR_NGROK_3208 on my ngrok account?

If you’re the owner of the suspended account and believe this is an error:
  1. Review the ngrok Terms of Service to ensure your usage complies with all policies.
  2. Contact ngrok support at support@ngrok.com with:
    • Your ngrok account email
    • A description of how you’re using ngrok
    • Details about your project or application
    • Any other relevant information
The ngrok team will review your case and provide guidance on next steps. Note: ngrok takes security very seriously and may not unban accounts that have violated the Terms of Service even if only for educational or personal purposes. The ban system is in place to protect users and maintain the integrity of the ngrok platform.