ATU-R130 ADSL Ethernet Router User’
s Guide
35
If you have multiple WAN interfaces and want the rule to be enforced on a range of them,
type the starting and ending IP addresses of the range.
6.
When you have completed entering all information, click
.
A page displays to confirm the change.
7.
Click
to return to the NAT Configuration page.
The new rule should display in the NAT Rule Configuration table.
8.
Ensure that the Enable radio button is selected, and then click
.
A page displays to confirm your changes.
9.
Click the Admin tab, and then click
Commit and Reboot
in the task bar.
10. Click
to save your changes to permanent memory.
The rdr rule: Allowing external access to a LAN computer
{
XE "RDR (NAT flavor)"
}{
XE "NAT:RDR flavor"
}
You can create an rdr rule to make a
computer on your LAN, such as a Web or FTP server, available to Internet users without
requiring you to obtain a public IP address for that computer. The computer’s private IP address
is translated to your public IP address in all incoming and outgoing data packets.
Note
Without an rdr rule (or bimap rule described on page 39), the
ATU-R130 blocks attempts by external computers to access your
LAN computers.
Figure shows the fields used to establish a rdr rule:
Figure 26. NAT Rule – Add Page (rdr Flavor){ XE "NAT Rule— Add page - rdr" }{ XE "Pages:NAT
Rule Add - rdr" }
Follow these instructions to add an rdr rule (see steps 1-4 under "The napt rule" on page 33 for
specific instructions corresponding to steps 1 and 2 below):
