ELTEX TAU-8.IP - Page 95

95 VoIP Subscriber Gateways
Firewall rule configuration:
To add new rule, click ‘Add’ and fill the following fields:
- Name – user-friendly character name of rule;
- Traffic type –type selection of traffic that satisfies this rule:
 INPUT – incoming traffic. When this traffic type is chosen, the following fields will
become available:
 Starting source IP address – assigns start IP address of the transmitter.
After ‘/’ symbol you may assign subnet mask (for example,
192.168.18.0/24) to extract all the range of addresses. When mask is
assigned, ‘Destination address number’ is not taken into account;
 Number of source IP addresses – use the field to specify address range of
source, if address mask of source is not specified;
 OUTPUT – outgoing traffic. When this traffic type is chosen, the following fields will
become available:
 Starting destination IP address – assign start IP address of receiver. After ‘/’
symbol you may assign subnet mask (for example, 192.168.18.0/24) to
extract all the range of addresses. When mask is assigned, ‘Destination
address number’ is not taken into account;
 Number of destination IP addresses – field is used to assign destination
address range if the subnet mask of source is not specified;
 FORWARD – transit traffic. When this traffic type is chosen, the following fields will
become available:
 Starting source IP address – assigns start IP address of the transmitter.
After ‘/’ symbol you may assign subnet mask (for example,
192.168.18.0/24) to extract all the range of addresses. When mask is
assigned, ‘Destination address number’ is not taken into account;
 Number of source IP addresses – use the field to specify address range of
source, if address mask of source is not specified;
 Starting destination IP address – assign start IP address of receiver. After ‘/’
symbol you may assign subnet mask (for example, 192.168.18.0/24) to
extract all the range of addresses. When mask is assigned, ‘Destination
address number’ is not taken into account;
 Number of destination IP addresses – field is used to assign destination
address range if the subnet mask of source is not specified;