User's Guide Part 2
Residential Gateway Family User’s Guide  Configuring Advanced Features 
TCP/UDP Options Window 
The “TCP/UDP Options” window is displayed if you select TCP or UDP protocol from the “
Protocol 
Definition” window. If you selected either of these protocol types, you must identify the source and 
destination ports. 
1.  Select one of the following options from the Source Port Operator drop-down menu and the 
Destination Port Operator drop-down menu: 
•  any 
Any port is acceptable as the source/destination port. 
•  less than or equal to 
A port less than or equal to the numeric value in the Port 1 field is acceptable as the 
source/destination port. Be sure to provide a value in the Port 1 field. 
•  equal to 
A port equal to the numeric value in the Port 1 field is acceptable as the source/destination port. 
Be sure to provide a value in the Port 1 field. 
•  greater than or equal to 
a port greater than or equal to the numeric value in the Port 1 field is acceptable as the 
source/destination port. Be sure to provide a value in the Port 1 field. 
•  range 
Any port between the value of the entry in the Port 1 field and the value in the Port 2 field is 
acceptable as the source/destination port. Be sure to provide a value in the Port 1 and Port 2 
fields. 
2. Optionally, select Check TCP syn packets if you wish this rule to prevent the blocking of 
synchronization packets for pre-existing sessions. 
3. Click Next. 
4. Click Finish. 
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