Max_Tor

Ok, @PeterUK! Thanks for your advice! Everything to learn is useful for me!

Thank you @Zyxel_Can! Everythings are clear! @PeterUK: yes there is a modem router and I have access to it. What do you mean with another waY? Thanks

Hello to everybody! Today, thanks to Lukas, Zyxel Support technician, we have solved my issue. There was a rule that forwarded all traffic of every service to a internal LAN of the USG. Deleted that rule and configured some NAT rule to forward traffic and some policy rules to control connection on specified service/port…

Yes you can use my email address. I'm in Italy, but I can be contacted from anywhere... speking in english. Thanks

Hello! I've tried everything you suggested... but anything works! No ping answer and is no possibile to reach admin configuration page at all... I've also upgrade to the last firmware available

Ok, thank you!! Today I'll try!