52 Cyclades ACS 5000 Installation/Administration/User Guide
7. Click OK.
8. Click apply changes.
NOTE: In addition to SNMP configuration described in this section, you need to make sure SNMP service is
enabled and configured for one or more serial ports in order to send SNMP traps.
Expert - Network - Firewall Configuration
An administrator can select Expert - Network - Firewall Configuration to configure the console
server to act as a firewall. See Packet Filtering on page 5 for an overview of configuration options.
Figure 7.4: Expert - Network - Firewall Configuration
By default, three built-in chains accept all INPUT, FORWARD and OUTPUT packets. The Edit,
Delete, Add and Edit Rules buttons are selected to: edit default chains, delete user-added chains,
add new chains and configure rules for new chains. User-defined chains cannot be edited but they
can be deleted. Default chains can be edited but cannot be deleted.
Only the policy can be edited for a default chain; default chain policy options are ACCEPT and
DROP.
NOTE: If a default chain is selected and Delete is clicked, an error message appears. If this message appears,
click OK to continue.
When a chain is added, only a named entry for the chain is created. One or more rules must be
configured for a chain after it is added.
Expert - Network - Firewall Configuration: Add and Edit Rule - Target actions
For each rule, an action (either ACCEPT, DROP, RETURN, LOG or REJECT ) must be selected
from the Target pull-down menu. The selected action is performed on an IP packet that matches all
the criteria specified in the rule.
If the administrator selects the Inverted checkbox for an option, the target action is performed on
packets that do not match any of the criteria specified for that option.
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