NAT Configuration
Field name
explanation
IPSec ALG
It is an encryption technology. Select it to enable IPSec
ALG, the default is enable
FTP ALG
FTP is a service of connection layer which can
transform intranet IP into extranet IP when intranet IP is
sending out packet.
Select it to enable FTP ALG, the default is enable
PPTP ALG
Select it enable PPTP ALG, the default is enable
Shows the NAT TCP mapping table
Shows the NAT UDP mapping table
Transfer Type
Select the NAT mapping protocol style, TCP or UDP
Inside IP
Set the IP address of device which is connected to LAN
interface to do NAT mapping.
Inside Port
Set the LAN port of the NAT mapping
Outside Port
Set the WAN port of the NAT mapping