...
Firewall rules are pre-configured rules to control and filter traffic that are sent to the PBX. Yeastar S- OpenVox UC Series VoIP PBX has default firewall rules to accept access of your local network.
You can also create new rules according to your needs.
Default firewall rules
By default, the following types of IP address or domain are included in Yeastar S-in OpenVox UC Series VoIP PBX firewall rules:
Local network
10.0.0.0/255.0.0.0
172.16.0.0/255.240.0.0
192.168.0.0/255.255.0.0
169.254.0.0/255.255.0.0
Domain related with Yeastar
IP address of phones that are auto provisioned
...
Create firewall rulesBesides Create firewall rules
Besides the default firewall rules, you can create other rules to filter specific source IP address or domain name, ports, MAC address.
Go to Settings > System > Security > Firewall Rules to configure the firewall rules.
...
Name: Set a name to identify the firewall rule.
Description: Optional. Description for of this firewall rule.
Action: Choose the action for the firewall rule.
Accept
Drop
Reject
ProtocolService: Choose the protocol service that is applied to the rule.
UDP
TCP
BOTH: Both TCP and UDP.
MAC Address: Optional. The MAC address that is applied to the rule.
The format of MAC address is
XX:XX:XX:XX:XX:XX.Type: Choose the network type of the source traffic.
Source IP Address/Subnet Mask: The IP address and subnet of the source traffic.
Domain Name: The domain name of the source traffic.
Protocol: Choose the protocol that is applied to the rule.
UDP
TCP
BOTH: Both TCP and UDP.
Port: The port of the source traffic.
...
Additional Firewall Settings
The PBX provides additional firewall settings to enhance the system security.
...
Disable Ping: The PBX will disable Ping response (ICMP echo).Drop All: The PBX will drop all the packets and connections from other hosts except the accepted/trusted IP address/domain that is defined in the firewall rules.Note: We recommend that you create a backup on the PBX before you enable Drop All.