86
rules prevent unauthorized computers or applications accessing the Internet. Select
if the new filter rule is incoming or outgoing.
Source IP: Select Any, Subnet, IP Range or Single Address.
Starting IP Address: Enter the source IP or starting source IP address this filter rule
is to be applied.
End IP Address: Enter the End source IP Address this filter rule is to be applied. (for
IP Range only)
Netmask: Enter the subnet mask of the above IP address.
Destination IP: Select Any, Subnet, IP Range or Single Address.
Starting IP Address: Enter the destination IP or starting destination IP address this
filter rule is to be applied.
End IP Address: Enter the End destination IP Address this filter rule is to be applied.
(for IP Range only)
Netmask: Enter the subnet mask of the above IP address.
Protocol: Select the Transport protocol type (Any, TCP, UDP).
Source Port Range: Enter the source port number range. If you only want to specify
one service port, then enter the same port number in both boxes.
Destination Port Range: Enter the destination port number range. If you only want
to specify one service port, then enter the same port number in both boxes.
Helper: You could also select the application type you would like to apply for
automatic input.
4.4.4.2 URL Filter