DSL-510 ADSL Router User’s Guide
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Filters
Filters are used to deny LAN computers from accessing the Internet. The Router can be setup to deny internal computers
by their IP or MAC addresses. The DSL-510 can also block users from accessing restricted web sites.
Advanced
>
Filters
>
Outbound
Filters-Outbound:
Use IP Outbound Filters to deny LAN IP addresses from accessing the Internet. You can deny specific
port numbers or all ports for the specific IP address.
Source IP:
IP address criteria for the source computer(s) from which the packet originates.
Destination IP:
IP address rule criteria for the destination computer(s) (i.e., the IP address of the computer to which the
packet is being sent).
Source Port:
Port number criteria for the computer(s) from which the packet originates. This field will be dimmed
(unavailable for entry) unless you have selected TCP or UDP as the protocol. See the description of Source IP Address
for the selection option.
Destination Port:
Port number criteria for the computer(s) (i.e., the port number of the type of computer to which the
packet is being sent). This field will be dimmed (unavailable for entry) unless you have selected TCP or UDP as the
protocol. See the description of Source IP Address for the selection option.
Protocol:
drop down menu allows you to select the transport protocol for this access policy. If the desired transport
protocol is not listed in the menu, then you can chose "OTHER" option and enter the desired IP based transport protocol
number in the following text box.
Enable NAT:
NAT (Network Address Translation) is a method for disguising the private IP addresses you use on your
LAN as the public IP address you use on the Internet. You define NAT rules that specify exactly how and when to translate
between public and private IP addresses. Enable NAT item is enabled by default. You can enable or disable NAT by
selecting the
Enable
or
Disable
option in the configuration menu and submitting the settings.
Action:
menu helps in defining this policy as Permit or Deny type policy. Permit type policies allow the traffic matched by
the policy selectors to pass through, where as Deny type policy blocks that traffic.
Schedule:
This is follow
Schedule
Configuration. Default setting is None. When
Schedule
Configuration add new time
schedule, this item will follow new time schedule item.