Hi Tom,
The Firewall tab's "NAT EXT:" entry specifies which external IP the rule
applies to, by default it is 0/0 which is any external IP. You probably only
have one external IP address.
So, something like this would work for RDP
--
NAT EXT-LAN Protocol: TCP Src: 0/0 Port: 3389 Dst: 192.168.100.10 Port: 3389
NAT EXT: 0/0
{ Restart Firewall } - _x_ Confirm
--
For the advanced, special case where your external interface has more than one
static IP address defined via the Advanced variable EXTIP_ALIAS (user.conf):
EXTIP_ALIAS="1.2.3.11"
In this case, in addition to the static external IP address defined in the
Network tab (assume 1.2.3.10), the 1.2.3.11 address will also be 'aliased' to
the same external interface. For this case when NAT'ing, you can use:
--
NAT EXT: 1.2.3.10
-- or --
NAT EXT: 1.2.3.11
-- or --
NAT EXT: 0/0
--
to specify if the NAT rule should apply to only 1.2.3.10, or only 1.2.3.11 or
both 0/0.
Lonnie
On Dec 10, 2012, at 8:04 AM, Tom Chadwin wrote:
> Hello all
>
> Just lost main connection to a remote site, but the Astlinux box (also on
> the LAN) on its own line is up and reachable. I'm therefore trying to set up
> a port forward on the Astlinux box to allow me to RDP from here to a Windows
> box on the LAN.
>
> Have added a "NAT EXT>LAN" rule. This brings up another field labelled "NAT
> EXT", with the default value of 0/0. What is this? Should I enter something
> here? I cannot establish the RDP session yet, so something isn't working.
>
> Thanks
>
> Tom
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