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Configuring Your Gateway
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SMCD3GN2 Wireless Cable Modem User Manual
Configuring Syslog Entries
To have the Gateway add a syslog entry when traffic is blocked, attempts are made to
intrude onto the network, or local computers try to access blocked URLs:
1. In the Email/Syslog Alert menu, under
Syslog Server Configuration
, enter the syslog
server address.
2. Click
Apply
.
Configuring Alert Options
Using the options in the
Alert Options
area, you can configure the Gateway to send an
email to recipients you define in this menu and/or send entries to a syslog defined in this
menu if the Gateway detects an intrusion.
To configure the Gateway to send an email to the configured email addresses if it detects an
intrusion:
1. Perform steps 1 through 3 under “Configuring Email Alerts” on page 95.
2. Under
Alert Options
, check
Send Email
next to
When intrusion is detected
.
3. Click
Apply
.
To configure the Gateway to send an entry to a syslog if it detects an intrusion:
1. Perform step 1 under “Configuring Syslog Entries” on page 96.
2. Under
Alert Options
, check
Send
Syslog
next to
When intrusion is detected
.
4. Click
Apply
.
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SMCD3GN2 Wireless Cable Modem User Manual
Configuring DMZ Settings
If you have a local client computer that cannot run an Internet application properly behind
the NAT firewall, you can configure it for unrestricted two-way Internet access by defining it
as a Virtual Demilitarized Zone (DMZ) host. Adding a client to the DMZ may expose your
local network to various security risks because the client in the DMZ is not protected by the
firewall.
To access the DMZ (Demilitarized Zone) menu, click
Firewall
in the menu bar and then click
the
DMZ
submenu in the menu bar. Figure 53 shows an example of the menu.
Note:
The
DMZ
submenu is not available in the menu bar if
Enable Firewall Module
is
disabled in the Security Settings (Firewall) menu (see page 73).
Figure 53. DMZ (Demilitarized Zone) Menu
To configure DMZ settings:
1. In the DMZ (Demilitarized Zone) menu, check
Enable DMZ Host
. The 2 rightmost fields
next to this option become available.
2. Enter the last two octets in the IP addresses of the computer to be used as the DMZ
server.
3. Click
Apply
.
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SMCD3GN2 Wireless Cable Modem User Manual
Using the Tools Settings Menu
Using the
Tools Settings
menu, you can reset the Gateway and restore the device’s factory
default settings. To access the Tools Settings menu, click
Tools
in the menu bar. Figure 54
shows an example of the menu.
Note:
To reboot the Gateway and retain any customized settings, use the Reboot menu (see
“Using the Reboot Menu to Reboot the Gateway“ on page 99).
Figure 54. Tools Settings Menu
To reset the Gateway and restore its factory default settings:
1. Click
Factory Reset
. The warning message in Figure 55 appears.
2. Click
OK
to restore the Gateway’s factory default settings or click
Cancel
to retain the
Gateway’s current settings.
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Figure 55. Warning Message when Restoring Factory Defaults
Using the Reboot Menu to Reboot the Gateway
Using the Reboot menu, you can reset the Gateway and retain all changes that have been
made to the Gateway’s factory default settings. To access the Reboot menu, click
Tools
in
the menu bar and then click the
Reboot
submenu in the menu bar. Figure 56 shows an
example of the menu.
Figure 56. Reboot Menu
To reboot the Gateway and retain all changes made to its factory default settings:
1. In the Reboot menu, click
Apply
. The precautionary message in Figure 57 appears.
2. Click
OK
to reboot the Gateway or click
Cancel
to not reboot it. If you clicked
OK
, the
reboot is complete when the
POWER
LED stops blinking and you will need to log in to the
Web interface again.
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Figure 57. Precautionary Message When Rebooting the Gateway
Viewing Status Information
The Status page is a read-only screen that shows the:
y
Connection status for the Gateway’s WAN and LAN interfaces
y
Firmware and hardware versions
y
Any illegal attempts to access your network
y
Information about all DHCP clients currently connected to the Gateway
y
Network, LAN client, and cable modem system event logs, with buttons for clearing or
refreshing the logs and releasing the IP
y
LAN client log, with buttons for refreshing and releasing IP addresses
The Status menu appears when you first log in to the Web management interface. You can
also display it by clicking
Status
in the menu bar. Figure 58 shows an example of the status
information shown.
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