Dual NAT

[ankda18]

Hi ALL,

I need to know what is dual NAT in checkpoint and how it works. Can anyone please guide me.

Thanks

[cciesec2006]

Hi ALL,

I need to know what is dual NAT in checkpoint and how it works. Can anyone please guide me.

Thanks

Can you provide an example of what you're trying to do?

[ankda18]

Can you provide an example of what you're trying to do?

Hi,

I don't have the example. I came to know there is concept of dual NAT in checkpoint. I need to know what dual nat exactly is and how can we accomplish this.

Thanks

[jflemingeds]

Hi,

I don't have the example. I came to know there is concept of dual NAT in checkpoint. I need to know what dual nat exactly is and how can we accomplish this.

Thanks

If you can't explain what you're trying to do its going to be very hard to help you. Can you show an network diagram maybe?

[ShadowPeak.com]

Hi,

I don't have the example. I came to know there is concept of dual NAT in checkpoint. I need to know what dual nat exactly is and how can we accomplish this.

Thanks

I'm assuming the term "dual NAT" is being used to describe the NATing of both source and destination IP address in the same packet. This is referred to as "bi-directional NAT" when it happens with Automatically-generated NAT rules. I seem to recall the term "dual NAT" appearing in the CCSE courseware at some point as an alternate term describing this same operation.

[cciesec2006]

I'm assuming the term "dual NAT" is being used to describe the NATing of both source and destination IP address in the same packet. This is referred to as "bi-directional NAT" when it happens with Automatically-generated NAT rules. I seem to recall the term "dual NAT" appearing in the CCSE courseware at some point as an alternate term describing this same operation.

or it could mean something like this:

Outbound:
source: 192.168.1.1/32
Destination: 10.1.1.1/32
Translated source: 4.2.2.2/32
Translated destination: 8.8.8.8/32

Inbound:
Source: 8.8.8.8/32
Destination: 4.2.2.2/32
Translated source: 10.1.1.1/32
Translated destination: 192.168.1.1/32

[EricAnderson]

The problem is with this statement:

I need to know what dual nat exactly is and how can we accomplish this.

How do you know you need something if you don't know what it is? If you could explain why you think you need it we may be able to help.

-E