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VoIP subscriber gateways
73
–
High Security
–
incoming traffic is forbidden (from WAN to WLAN), outputting traffic (from WLAN
in WAN) is forbidden.
You may set the rules permitting reception/transmission traffic to specific address in the
‘Firewall
rules’
submenu.
To save changes into the device operative memory, click
‘Save
changes’
button. To record settings into
the non-volatile memory, click
‘Apply’
button.
3.1.5.2
‘
Firewall Rules
’
submenu
Use the submenu to set transit traffic rules.
Description of ‘Firewall rules’ table.
Firewall rule configuration:
To add new rule, click ‘Add’ button and fill in 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 selected, the following fields will be
available for editing:
Starting source IP address
–
specify start IP address of source. You may assign subnet
mask after ‘/’ symbol (for example 192.168.16.0/24) to extract all the address range.
When ‘Address number of source’ parameter is not taken into;
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 checked, the following fields will be available to edit:
Starting destination IP address
–
specify destination IP address. After ‘/’ 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
–
use this field to assign address range of receiver
if receiver mask is not specified;
Changes in the submenu will be applied immediately after pressing
‘Apply’
button. Reboot is
not required.