To map a single global ip address for many local ip address for different port

Unanswered Question

Hi,

I am looking for some solution on this.

I have a public ip say a.b.c.d

And internal host like

w.x.y.z

w.x.y.z1

w.x.y.z2

.

.

w.x.y.z3

W.x.y.z is a web server and w.x.y.z1 is ftp server.

I want these to be published with single global ip address.

Is it possible to achieve this.

If yes please guide on the same with example.

Reg,

Sushil

I have this problem too.
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Jon Marshall Fri, 01/29/2010 - 01:25

[email protected] wrote:

Hi,

I am looking for some solution on this.

I have a public ip say a.b.c.d

And internal host like

w.x.y.z

w.x.y.z1

w.x.y.z2

.

.

w.x.y.z3

W.x.y.z is a web server and w.x.y.z1 is ftp server.

I want these to be published with single global ip address.

Is it possible to achieve this.

If yes please guide on the same with example.

Reg,

Sushil

Sushil

Assuming you are using an ASA, yes it is possble -

static (inside,outside) tcp 195.10.10.1 80 192.168.5.10 80 netmask 255.255.255.255

static (inside,outside) tcp 195.10.10.1 25 192.168.5.11 25 netmask 255.255.255.255


etc...

the above config will present 192.168.5.10 web server as 195.10.10.1 80 to the internet and 192.168.5.11 mail server as 195.10.10.1 25 to the internet.

Don't forget you also need to allow the traffic in an access-list.

Jon

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