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Setting the Firewall
Set up the packet-filtering firewall to prevent unauthorized access.
First, as a prerequisite, set whether to allow or block communication with other devices. Next, specify the IP addresses
or MAC addresses of devices you want to block or allow as exceptions.
For the number of addresses that can be specified and the protocols whose communication can be restricted, see the
firewall specifications.
Firewall(P. 35)
Setting IP Address Filtering(P. 348)
Setting MAC Address Filtering(P. 349)
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MAC address filtering is not available when connecting the machine to a wireless LAN.
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Multicast and broadcast addresses are not restricted even when the setting is configured to block the
sending of data from the machine to other devices.
Setting IP Address Filtering
Set IPv4 address filtering or IPv6 address filtering according to your usage environment.
This section describes how to configure the settings using Remote UI from a computer.
On the control panel, select [Menu] in the [Home] screen, and then select [Preferences] to configure the settings.
However, the control panel can only be used to enable or disable the filter.
Administrator privileges are required. The machine must be restarted to apply the settings.
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If you set an incorrect IP address, you will no longer be able to access Remote UI. If this happens, use the
control panel to disable the firewall settings, and then use Remote UI to set the IP address again.
1
Log in to Remote UI in System Manager Mode.
2
On the Portal page of Remote UI, click [Settings/Registration].
Remote UI(P. 395)
3
Click [Network Settings]
➠
The [Firewall Settings] screen is displayed.
4
Click [Edit] for the IP address send or receive filter.
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To restrict sending of data from the machine to other devices, click [Edit] for the send filter.
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To restrict receiving of data from other devices, click [Edit] for the receive filter.
Security
[Firewall Settings].
348
[Firewall Settings](P. 434)
Starting Remote UI(P. 393)
Portal Page of
8WFY-071
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