MyPBX U300 Administrator Guide
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1) General Settings
Table 19-1 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 oneas required.
Figure 19-5 Common Rules
Table 19-2 Description of Common Rules
Items
Description
Name
A name for this rule, e.g.
“HTTP”.
Description
Simple description for this rule. E.g. accept the specific host to
access the Web interface for configuration.
Protocol
The protocols for this rule.
Port
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.
IP
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.
MAC Address
The format of MAC Address is XX:XX:XX:XX:XX:XX, X means 0~9
