Ip Filters; Lan Clients - CTC Union ATU-R140 User Manual

ATU-R140 ADSL Ethernet USB Router User's Guide

4.6.6 IP Filters

IP Filters can also be called port blocking. Specific types of traffic that is destined can be
blocked. To enable any of the IP Filters features, from the Home screen, click Advanced and
under Advanced, select IP Filters. A page similar to the port-forwarding page appears. Similar
to the port-forwarding page, an IP address can be added to a rule. All IP Filters rules have
precedence over rules that were added via the port-forwarding page. In the presence of the
firewall, anonymous Internet traffic is blocked. The Gateway's firewall and NAT services (port
forwarding, IP filters) can be disabled for all interfaces by un-checking the "Enable Firewall
and NAT Service"
To enable any of the advanced security features, from the Home screen, click Advanced and
under Advanced, select IP Filters. Figure 19 illustrates the typical IP Filters configuration.
Figure 19 (IP Filters)
The apply button will temporarily save this connection. To make the change permanent you
need to click on Tools (at the top of the page) and select System Commands. At the system
commands page, click on Save All.

4.6.7 LAN clients

To add a LAN client, from the Home screen, click Advanced and under Advanced, select LAN
Clients. If DHCP is used, all DHCP clients are automatically assigned. If a fixed IP address
server is on the LAN and you want this server to be visible via the WAN, you must add its IP
address. Once the IP address has been added to you can apply Port Forwarding and Access
Control rules to this IP address.
The apply button will temporarily save this connection. To make the change permanent you
need to click on Tools (at the top of the page) and select System Commands. At the system
commands page, click on Save All.
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