D-Link NetDefend DFL-CP310 User Manual page 411

The Community field and the Advanced link are enabled.
3. If you selected IP Address Range, enter the desired IP address range in the fields
provid ed.
4. In the Community field, type the name of the SNMP community string.
SNMP clients uses the SNMP community string as a password, when
connecting to the NetDefend firewall.
The default value is "public". It is recommended to change this string.
5. To configure advanced SNMP settings, click
Chapter 14: Maintenance
Advanced.
Configuring SNMP
395