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SONICWALL SONICOS STANDARD 3.0 ADMINISTRATOR’S GUIDE
C
HAPTER
35:
Monitoring Active Firewall Connections
Setting Filter Logic
By default, the SonicOS filter logic is set to “Priority && Category && Source && Destination.” The
double ampersand symbols (&&) indicate the boolean expression “and.” The default SonicOS filter
logic displays all log events.
1
Enter the source IP address in the Source IP field.
2
Enter the destination IP address in the Destination IP field.
3
Enter the destination port number in the Destination Port field.
4
Select the protocol from the Protocol menu.
5
Select the source interface from the Src Interface.
6
Select the destination interface from Dst Interface.
7
Click Apply Filters.
Using Group Filters
Use Group Filters to change the default SonicOS filter logic (Priority && Category && Source &&
Destination) from double ampersand symbols (&&) to double pipe symbols (||) to indicate the boolean
expression “or.” When using group filters, select two or more Group Filters checkboxes.
If you select only one Group Filter checkbox, the filter logic will remain the same. Selecting only the
Priority-Group Filter checkbox provides you with the following filter logic:
Source IP: (Priority) && Category && Source && Destination