IP Authentication Failure Support Team January 09, 2017 07:38 Updated Follow You would have to wait after entering your IP in the authorized list. It takes 30 minutes for authentication to work. Related articles How to add authorized IPs? Do you support username based authentication? Do we provide Username and Password authentication for Trial Proxy? How to use HTTP Proxies in Internet Explorer What is your money back guarantee? Comments 0 comments Please sign in to leave a comment.