Lantech LES-2400-RPS, Руководство пользователя

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IP Security
IP security function allows the user to assign up to 10 specific IP addresses that have
permission to manage the switch through the http and telnet services for securing
switch management. The purpose of giving permission to limited IP addresses is to
allow only the authorized personnel/device to do the management task on the switch.

IP Security Mode: With this selection item set in the Enable mode, the Enable
HTTP Server , Enable Telnet Server checkboxes and the ten security IP fields
will then be available. If not, those items will appear in grey.

Enable HTTP Server: With this checkbox ticked, Ethernet devices whose IP
addresses match any one of the ten IP addresses in the Security IP table will be
given permission to access this switch via the HTTP service.

Enable Telnet Server: With this checkbox ticked, Ethernet devices whose IP
addresses match any one of the ten IP addresses in the Security IP table will be
given permission to access this switch via the telnet service.

Security IP 1 ~ 10: The system allows the user to assign up to 10 specific IP
addresses for access security. Only when IP Security Mode is enabled can these
10 IP addresses access and manage the switch through the HTTP/Telnet
services.

And then, click Apply to have the configuration take effect.
[NOTE] Remember to execute the
―Save Configuration‖ action, otherwise the new
configuration will lose when the switch powers off.