Although Cloudflare can customize error pages, but CIS(Cloud Internet Service) can't customize the error page. (like 1006 error page) .
https://support.cloudflare.com/hc/en-us/articles/200172706-How-do-I-customize-Cloudflare-error-pages-
| Idea priority | High |
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Customized Error pages supported in CIS.
It's certainly quite unfriendly. It should be customizable as well as original service.
I know, standard CloudFlare service supports this feaure, however CIS does not. Why?
Every enterprise needs this !!