Specifications

MyPBX U300 Administrator's Guide
www.yeastar.com Page22
1) General Settings
·Enable Firewall
Enable the firewall to protect the device. You should reboot the device to
make the firewall run successfully.
·Disable Ping
Enable this item, net ping from remote hosts will be dropped.
·Drop All
When you enable „Drop All‟ feature, 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 not default rules inside, you can create them as required
Figure 5-9
·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.