Security - Kraun Wireless ADSL2/2plus Modem Router 54Mbps User Manual

4.2.3.5 UPNP
Click "UPNP" to display the window shown
in the right figure. Enable UPnP: Enabling
or disabling the UPnP (Universal Plug and
Play) function.
UPnP is a kind of architecture of common
network connection between the computer
and intelligent devices/instruments. It is
especially common
applications. Based on the Internet
standards and technologies
TCP/IP, HTTP and XML), UPnP enables
automatic connection
between such devices.
Click "Save/Apply" to activate the settings.

4.2.4 Security

4.2.4.1 IP filtering
1) Click "Security" → "IP Filtering" to display
the window shown in the right figure.
By default, all outgoing traffic is allowed.
However, you can set IP filtering to restrict
external network
computers in the internal network.
2) Click "Add" to display the window shown
in the right figure.
a. Filter Name: Setting the filter name to
facilitate identification.
b. Protocol: Selecting one from four
available protocols: TCP/UDP; TCP;
UDP; ICMP.
c. Source IP address: Entering the
internal network IP address to be
filtered.
d. Source Subnet Mask: Enter the subnet
mask corresponding to the internal
network IP address to be filtered.
e. Source Port: Enter the port number of
the internal network IP address to be
filtered.
Wireless ADSL2/2+ Modem Router 54Mbps
in the home
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and cooperation
access by some
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