Filter
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Security 13-137
1. To make the filter active in the filter set, select Enabled and toggle it to Yes. If Enabled is toggled to No, the
filter can still exist in the filter set, but it will have no effect.
2. If you want the filter to forward packets that match its criteria to the destination IP address, select Forward
and toggle it to Yes. If Forward is toggled to No, packets matching the filter’s criteria will be discarded.
3. Select Source IP Address and enter the source IP address this filter will match on. You can enter a subnet
or a host address.
4. Select Source IP Address Mask and enter a mask for the source IP address. This allows you to further
modify the way the filter will match on the source address. Enter 0.0.0.0 to force the filter to match on all
source IP addresses, or enter 255.255.255.255 to match the source IP address exclusively.
5. Select Dest. IP Address and enter the destination IP address this filter will match on. You can enter a
subnet or a host address.
6. Select Dest. IP Address Mask and enter a mask for the destination IP address. This allows you to further
modify the way the filter will match on the destination address. Enter 0.0.0.0 to force the filter to match on
all destination IP addresses.
7. Select Protocol Type and enter ICMP, TCP, UDP, Any, or the number of another IP transport protocol (see
the table on page 13-131).
Note: If Protocol Type is set to TCP or UDP, the settings for port comparison that you configure in steps 8
and 9 will appear. These settings only take effect if the Protocol Type is TCP or UDP.
8. Select Source Port Compare and choose a comparison method for the filter to use on a packet’s source
port number. Then select Source Port ID and enter the actual source port number to match on (see the
table on page 13-129).
9. Select Dest. Port Compare and choose a comparison method for the filter to use on a packet’s destination
port number. Then select Dest. Port ID and enter the actual destination port number to match on (see the
table on page 13-129).
Add Filter
Enabled: No
Forward: No
Source IP Address: 0.0.0.0
Source IP Address Mask: 0.0.0.0
Dest. IP Address: 0.0.0.0
Dest. IP Address Mask: 0.0.0.0
Protocol Type: 0
Source Port Compare... No Compare
Source Port ID: 0
Dest. Port Compare... No Compare
Dest. Port ID: 0
ADD THIS FILTER NOW CANCEL
Enter the IP specific information for this filter.