AudioCodes Mediant 1000B - Page 172

User's Manual 172 Document #: LTRT-27055
Mediant 1000B Gateway & E-SBC
The following procedure describes how to configure firewall rules through the Web
interface. You can also configure it through ini file (AccessList) or CLI (configure network >
access-list).
 To configure a firewall rule:
1. Open the Firewall table (Setup menu > IP Network tab > Security folder> Firewall).
2. Click New; the following dialog box appears:
Figure 13-1: Firewall Table - Add Dialog Box
3. Configure a firewall rule according to the parameters described in the table below.
4. Click Apply, and then reset the device with a save-to-flash for your settings to take
effect.
Table 13-1: Firewall Table Parameter Descriptions
Parameter Description
Match
Index Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
Source IP
source-ip
[AccessList_Source_IP]
Defines the IP address (or DNS name) or a specific host name
of the source network from where the device receives the
incoming packet.
The default is 0.0.0.0.
Source Port
src-port
[AccessList_Source_Port]
Defines the source UDP/TCP ports of the remote host from
where the device receives the incoming packet.
The valid range is 0 to 65535. The default is 0.
Note: When set to 0, this field is ignored and any source port
matches the rule.
Prefix Length
prefixLen
[AccessList_PrefixLen]
(Mandatory) Defines the IP network mask - 32 for a single
host or the appropriate value for the source IP addresses.
 A value of 8 corresponds to IPv4 subnet class A (network
mask of 255.0.0.0).
 A value of 16 corresponds to IPv4 subnet class B (network
mask of 255.255.0.0).
 A value of 24 corresponds to IPv4 subnet class C (network
mask of 255.255.255.0).