User`s guide

Configure Network IP Filtering
Chapter 16 Configuration Menu Interface 249
• Protocol: The protocol being accepted on or dropped from the port:
•TCP
•UDP
•ICMP
• Port: A TCP/IP port on the Digi Passport unit that other hosts try to
access. Specify either one port, using a single value, or a range of ports
using this form: port1:port2, where port1 defines the lowest port, and
port2 the highest port.
• Chain rule: Determines whether access from the hosts is allowed:
• ACCEPT: Access allowed
• DROP: Access not allowed
To add a new IP filtering rule, enter the values for the parameters and click
the Add button on the right side of the table.
To remove a rule, click the Remove button.
When finished editing the table, save the settings to flash. Changes must
be applied to make them active.
• To save changes, use the Save to flash button.
• To save and apply changes, click Save & apply.
This screen shows five established IP rules.