Asus DSL-X11 - Manual (Page 48)

DSL-X11 User Manual
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Step 1 Clear the DMZ Host Address.
Step 2 Click Save/Apply to apply the settings.
3.4.4 Security
Security is an important function of DSL. It protects resources of a private
network from users from other networks, and prevents unauthorized Internet
users from accessing private networks connected to the Internet. All messages
entering or leaving the intranet (that is, the local network to which you are
connected) must pass through the security checks, which checks each message
and blocks those that do not meet the specific security criteria.
Choose Security > IP Filtering and the following page appears. By default, the
firewall is enabled. The firewall is used to block document transmissions between
the Internet and your PC. It serves as a safety guard and permits only authorized
documents to be sent to the LAN.
Note:
If the modem is configured to bridge mode only, IP filtering is disabled and the
IP filtering interface does not appear.
If no PVC of Bridge mode is configured, MAC filtering is disabled and the
MAC Filtering interface does not appear.
3.4.4.1 Outgoing IP Filtering Setup
When setup of outgoing IP filtering rules is enabled on the modem, various
security functions for the local network are enabled at the same time. You can