Siemens 4100 Series User Manual page 52

Router User's Guide
TCP/UDP Options Window
The "TCP/UDP Options" window is displayed if you select TCP or UDP protocol from the
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 the Check TCP syn packets checkbox 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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Monitoring Network Health
"Protocol