User's Manual
66xx/67xx Router Users Guide 86
Add a firewall
Click the Add Firewall button to add a firewall.
Name: The name of firewall.
Interface: Select WAN or mobile.
Type: Select IN or OUT.
Default Action: Select Permit or Drop.
Add a rule
Click the Add Rule button to add a rule to a firewall.
Rule options
Enabled: Select to enable the firewall rule.
Protocol: You can select UDP, TCP, or ICMP from the drop-down list.
Action: You can select Permit, Drop, or Reject from the drop-down list.
RejectType: You can select the reject type, when you select Reject as the action.
IcmpType: You can select the type of ICMP packet, when you select ICMP as the protocol.
(Displayed if ICMP is