D-Link DPH-120SE, Руководство пользователя

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WEB Filter
User could make some deviceown IP, which is pre-specified, access to the
MMI of the phone to config and manage the phone.
Field name explanation
Web Filter Table Settings:
Add or delete the IP address segments that access to the phone.
Set initial IP address in the Start IP column, Set end IP address in the End IP
column, and click Add to add this IP segment. You can also click Delete to
delete the selected IP segment.
Web Filter setting Select it or not to enable or disable Web Filter. Click
Apply to make it effective.
Notice: Do not set your visiting IP outside the Web filter range,
otherwise,you cannot logon through the web.
7.3.1.29
FIREWALL
Firewall Configuration
In this web interface, you can set up firewall to prevent unauthorized Internet
users from accessing private networks connected to the Internet (input rule),
or prevent unauthorized private network devices from accessing the Internet
(output rule).
Firewall supports two types of rules: input access rule and output access rule.
Each type supports at most 10 items.
Through this web page, you could set up and enable/disable firewall with
input/output rules. System could prevent unauthorized access, or access other