Unable to reach Eset Push Notification servers

[Fabio_IME 0]

Even with the intervention of the eset italia assistance it is not possible to resolve the error message on the clients "unable to reach the Eset Push Notification servers" any suggestion?

[Marcos 5,074]

Do your endpoints connect directly to the Internet or through an http proxy? If the latter, is it Apache HTTP proxy on Windows or Linux?

If you use a firewall, make sure the addresses listed here are accessible on ports 8883 and 443:
https://support.eset.com/en/kb332-ports-and-addresses-required-to-use-your-eset-product-with-a-third-party-firewall#EPNS