N824 User Manual
15
1) General Settings
Table 5-2 Description of Firewall General Settings
Enable the firewall to protect the device.
Enable this item to drop net ping from remote hosts.
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 oneas required.
Figure 5-6 Common Rules
Table 5-3 Description of Common Rules
A name for this rule, e.g. ―HTTP‖.
Simple description for this rule. E.g. accept the specific host to
access the Web interface for configuration.
The protocols for this rule.
Initial port should be on the left and end port should be on the right.
The end port must be equal to or greater than start port.
The IP address for this rule. The format of IP address is: IP/mask
E.g. 192.168.5.100/255.255.255.255 for IP 192.168.5.100
E.g. 192.168.5.0/255.255.255.0 for IP from 192.168.5.0to
192.168.5.255.
The format of MAC Address is XX:XX:XX:XX:XX:XX, X means 0~9
or A~F in hex, the A~F are not case sensitive.
Accept: Accept the access from remote hosts.
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