Your client is using HTTP version 1.1, which is not supported. This service requires HTTP/2. Please update your client or contact supportReply from Cato Support :I have confirmed internally that HTTP/2 is not supported yet.
Hi TonyC,
Appreciate your efforts.Just to clarify, would the website consider using Http/1.1, as an alternative?Noted that there is also Http/3 as well.
Thank you.
Only support HTTP/2