Installation guide

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.