User's Manual

35
to access to specific port of host corresponding to IP address of intranet.
To configure port mapping, go into the navigation tree, select "Firewall >> Port Mapping", then
enter “Port Mapping” page.
Table 3-4-4 Firewall - Port Mapping Parameters
Port Mapping (at most 50 port mappings can be set)
Function description: Configure parameters of port mapping.
Parameters
Description
Default
Enable
Check to enable port mapping.
Enable
Protocol
Select TCP/UDP/ICMP
TCP
Source address
Set source address of port mapping
0.0.0.0/0
Service Port
Set service port number of port mapping
8080
Internal Address
Set external address of port mapping
N/A
Internal Port
Set internal address of port mapping
8080
Log
Click to enable log and the log about port mapping will
be recorded in the system.
Disable
External address
(optional)
Set external address/tunnel name of port mapping
N/A
Description
For recording significance of each port mapping rule
N/A
3.4.5 Virtual IP Mapping
Both router and the IP address of the host of intranet can correspond with one virtual IP.
Without changing IP allocation of intranet, the extranet can access to the host of intranet via
virtual IP. This is always used with VPN.
To configure virtual IP mapping, go into the navigation tree, select "Firewall >> Virtual IP
Mapping", then enter “Virtual IP Mapping” page.
Table 3-4-5-1 Firewall - Virtual IP Mapping Parameters
Virtual IP Address
Function description: Configure parameters of virtual IP address.
Parameters
Description
Default
Virtual IP address of
router
Set virtual IP address of router
N/A
Range of source address
Set range of the external source IP addresses.
N/A
Enable
Click to enable virtual IP address
Enable
Virtual IP
Set virtual IP address of virtual IP mapping
N/A
Real IP
Set real IP address of virtual IP mapping
N/A
Log
Click to enable log and the log about virtual IP
address will be recorded in the system.
Disable