Administration Manual ip500pbxw – English
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Enter the following parameters:
Global IP address
This is the public IP address assigned to the
WAN interface
Internal IP
Address
This is the internal IP address of the server on
the LAN
Transport Type
Select a protocol from the drop down list
External Port
Range
A port or port range can be defined for the
external IP address
Internal Port
Range
A port or port range can be defined for the
internal IP address
Select ‘Add Reserved Mapping’
Policies, Triggers, Intrusion Detection, Logging
The security policy settings, stateful inspection triggers, intrusion policy detection and logging settings can be displayed and
changed.
Security Policy
Three types of filters can be defined in the firewall:
Port Filters are used to allow or block a specific TCP/IP application level protocol. The parameters used to
specify this filter are source and destination IP address or range of addresses, a transport level protocol
TCP/UDP/ICMP), and a port or range of ports which define the application level protocol.
Raw IP Filters are used to allow or block a specific protocol (non TCP/IP) carried within an IP packet. The
parameters used to specify this filter are source and destination IP address or range of addresses, and a
protocol number which identifies the protocol carried in the IP packet.
Host Validators are used to block all traffic from a specific host. The parameter used to specify this filter are
an IP address or range of addresses.
Note that if invalid filter entries are added, an error message will be displayed when the configuration is saved.
Select ‘Security Policy Configuration …’
The following screen is displayed.
