User manual

Section 3 – Configuration
D-Link DSL-2500U User Manual
51
Filters
Parameter
Description
Filter Name Enter a name for the new filter.
Protocol Select the transport protocol (Any, TCP/UDP, TCP, UDP or ICMP) that will be used for the filter rule.
Select either IP address or Netmask to show different items.
Source IP Address Enter the start and end IP address for the range of IP addresses which you are creating the
filter rule.
Select IP Range
by
Source IP Address & Source
Subnet Mask
This is the IP address and their associated subnets for which you are creating the filter rule.
Source Port The Source Port is the TCP/UDP port on either the LAN or WAN depending on if you are configuring an Outbound or Inbound
Filter rule.
Destination Port The Destination Port is the TCP/UDP port on either the LAN or WAN depending on if you are configuring an Outbound or
Inbound Filter rule.
IP Filtering – Incoming
The Inbound Filter allows you to create a filter rule to allow incoming IP
traffic by specifying a filter name and at least one condition on this
window. All of the specified conditions in this filter rule must be satisfied
for the rule to take effect. By default, all incoming IP traffic from the
Internet is blocked when the firewall is enabled.
f you are setting up the incoming IP filtering, click the Add button. I