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N412 Administrator Manual
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Figure 4-6 Firewall Settings
1) General Settings
Table 4-3 Description of Firewall General Settings
Items
Description
Enable Firewall
Enable the firewall to protect the device.
Disable Ping
Enable this item to drop net ping from remote hosts.
Drop All
When you enable ―Drop All‖ feature, the system will drop all packets
or connection from other hosts if there are no other rules defined. To
avoid locking the devices, at least one ―TCP‖ accept common rule
must be created for port used for SSH access, port used for HTTP
access and port sued for CGI access.
2) Common Rules
There is no default rule; you can create one as required.
Figure 4-7 Common Rules