The error message 1020 appears in your web browser because a firewall rule prevents the IP address you are using from accessing the website. If you are the website administrator and you receive the error message 1020, you can access the firewall log file to see the cause of the problem.
If you see that the problem error 1020 access denied is caused by Cloudflare, you can temporarily pause Cloudflare.
What users can do when they see the error message 1020
If you are a user and don’t have access to the firewall of the website, use a different IP address to access the website. In the video below, I used a different IP address to bypass the problem error 1020 access denied. Another option, you can write a message about error 1020 to the website administrator and ask them to whitelist your IP address or change the firewall rule that blocks you from accessing the website.
I recently published a post how to fix Xfinity connect to in-home WIFI to watch that solves a problem like this. The post has two methods that can help you solve these types of problems.
In the image below, I created a firewall rule with pfsense IP alias to send all traffic from IP addresses of socialblade to another gateway.
Alternative method to avoid error 1020
If you don’t want to reconfigure your device or if you don’t have administrative rights on the system, you can read how to set your web browser to a specific country which is another post that I published recently which will help you solve the problem error 1020 cannot login to the site.
If you need more help to fix error 1020 access denied with Cloudflare in your network systems, please contact me with your questions because not all systems are the same.