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DSL-524T ADSL Router Manual
59
Figure 5- 5. Filters window
To configure filters for the router, configure the folowing fields and click Apply.
Source IP
Enter an IP address or range of addresses from which to block or allow packets. This
field may also be used to block a set of subnet masks by using the corresponding pull
down menu.
Destination IP
Enter an IP address or range of addresses to which to block or allow packets from being
sent. This field may also be used to block a set of subnet masks by using the
corresponding pull down menu.
Source Port
Enter a port or range of ports from which to block or allow packets. This field can only
be confi
g
ured if TCP or UDP is selected in the Protocol field. The Safe Ran
g
e o
p
tion in