Ewon On Line but access is forbidden using M2Web

Ewon Support M2Web API
#1

I have several clients using M2Web for access. They can log in but this appears:

Forbidden

You don’t have permission to access / on this server.
The url is
https://kw79rdl21domqaj3pjbp5bv2q4yxe6.proxy-au.m2web.talk2m.com/

What is happening?

#2

A post was merged into an existing topic: You don’t have permission to access on this server"

#3