Ну, по отдельности сервисные порты заблокировать нельзя, а вот доступ по SSH TELNET и тп, можно из веб интерфейса.
Для веб логина:
Advanced > Settings > Security > Web Login and set Web login. The options are as follows:
§ Enable(default): The web interface is always accessible.
§ Via Wi-Fi only: You can log in to the web interface of the endpoint from a PC only after the PC connects to the Wi-Fi hotspot on the endpoint.
§ Disable: Web login is not allowed.
· Support the user to submit the logout application.
When you have logged in to the web interface, you can click Exit in the upper right. The login interface is displayed.
· The endpoint supports a maximum of 10 concurrent logins to the web interface.
· Multiple users can use the same account to log in to the web interface of the endpoint simultaneously.
SSH и Telnet::
· On the remote control UI, choose Advanced > Settings > Security > SSH/Telnet and select SSH or Telnet.
· On the web interface, choose System Settings > Security > SSH/Telnet and set SSH or Telnet login to Enable.