D-Link DFL-900 User Manual page 14

Firewall/vpn router
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Step 1 ¡ Ð
Device IP Address
Setup the IP Address and IP Subnet Mask for
the DFL-900 of the DMZ1 interface.
Step 2 ¡ Ð
Client IP Range
Enable the DHCP server if you want to use
DFL-900 to assign IP addresses to the computers
under DMZ1. Here we do not want to make the
DHCP feature enable.
Step 3 ¡ Ð
Apply the Changes
Click Apply to save your settings.
Step 4 ¡ Ð
Check NAT Status
The default setting of NAT is in Basic Mode.
After
applying
the
Step
automatically configured with two rules to let all
private-IP LAN1/DMZ1-to-WAN1 requests to be
translated with the public IP assigned by the ISP.
Step 5 ¡ Ð
Check NAT Rules
The DFL-900 has added two NAT rules. The rule
Basic-DMZ1 (number 1) means that, when
matching
the
condition
LAN/DMZ-to-WAN direction with its source IP
falling
in
the
range
of
255.255.255.0), the request will be translated
into a public-source-IP requests, and then be
forwarded to the destinations.
Step 6 ¡ Ð
Setup IP for the FTP Server
Assign an IP of 10.1.1.5/255.255.255.0 to the
FTP server under DMZ1. Assume the FTP Server
is at 10.1.1.5. And it is listening on the well-known
port (21).
BASIC SETUP > DMZ Settings > DMZ1 Status
ADVANCED SETTINGS > NAT > Status
3,
the
NAT
is
ADVANCED SETTINGS > NAT > NAT Rules
(requests
of
10.1.1.254
/
10
Part I

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