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SSG140 One to One Nat translation

SSG140 One to One Nat translation

SSG140 One to One Nat translation

Hi Guys,

Stupid question, but I've got a checkpoint background and I'm having difficulties to understand how to do a one to one static NAT with juniper.

my firewall's external IP interface is
I've a public IP range of

I'm trying to map a server with a static public IP.

All my interfaces are configured to route mode and I would like to do a policy-based NAT.

In the advanced option of the rules, the only "choice" I've got for source NAT is to use the egress IP add

It's a live site, and I have to do changes remotly so I can't afford to lose connectivity


RE: SSG140 One to One Nat translation

You need to build a policy with an MIP entry for NATing in order for it to work. It would be an Untrust to Trust type policy. In the policy you can put in all kinds of things. The entry can be made by CLI or webui. If you have the SSG documents there is one with examples of 1-2-1 NATing.  If not you can download them for free from Juniper Networks website. After reading, post back more questions, if any...


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