request to block password viewing in omada windows, e.g. this applies to wifi and vpn configuration, passwords should be available, e.g. after correct authentication with an admin account  

request to add a new window with information about logged in omady users / admins (as it looks in the ssl vpn window)  

but you won't support devices indefinitely. The idea is to have information appear that a given device will no longer receive any updates because support has ended

I think you can do something like that after someone enters the password incorrectly several times

that's not what I meant. My question was more about adding or defining in some place in omada, e.g. ACL, displaying policies for such a network. They don't have to be editable, but so that it is...

I don't know if we understood each other correctly but it's about the SSL VPN connection, I checked what you suggested and unfortunately there is no such information in the given solution