5. Enhanced Network Security
This chapter describes the functions for enhancing security when the machine is connected to the
network.
Access Control
The machine can control TCP/IP access.
Limit the IP addresses from which access is possible by specifying the access control range.
For example, if you specify the access control range as [192.168.15.16]-[192.168.15.20], the client
PC addresses from which access is possible will be from [192.168.15.16] to [192.168.15.20].
• Using access control, you can limit access involving LPR, RCP/RSH, FTP, ssh/sftp, Bonjour, SMB,
WSD (Device), WSD (Printer), WSD (Scanner)/DSM, IPP, DIPRINT, RHPP, Web Image Monitor,
or SmartDeviceMonitor for Client. You cannot limit the monitoring of SmartDeviceMonitor for
Client. You cannot limit access involving telnet, or SmartDeviceMonitor for Admin/Device
Manager NX Lite, when using the SNMPv1 monitoring.
1. Log in as the network administrator from Web Image Monitor.
2. Point to [Device Management], and then click [Configuration].
3. Click [Access Control] under "Security".
4. To specify the IPv4 address, enter an IP address that has access to the machine in "Access
Control Range".
To specify the IPv6 address, enter an IP address that has access to the machine in "Range" under
"Access Control Range", or enter an IP address in "Mask" and specify the "Mask Length".
5. Click [OK].
6. "Updating..." appears. Wait for about one or two minutes, and then click [OK].
If the previous screen does not reappear after you click [OK], wait for a while, and then click the
web browser's refresh button.
7. Log out.
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