Error 1020, Ukraine

Good day, I am a system administrator of the Internet Service Provider company (www.isgroup.com.ua, Ukraine), recently our subscribers have had problems accessing some sites where your protection system is used. The problem is only when logging in from our subnets 95.85.83.0/24 (AS206424) and 93.179.66.0/24 (AS199560). Specifically, there are problems with the sites: https://raiffeisen.ua/
https://ezvit.treasury.gov.ua/
and on many others

A 1020 means the site owner has a firewall rule that blocks the requests so it is something that only the site owner can rectify.

Cloudflare can’t provide you with information as to what their rules are or which selector you’ve matched for their firewall rule to take place.

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