Static NAT on ASA

Introduction

In this lesson, we will configure Static NAT on an ASA firewall to map internal server addresses to public addresses. This is essential in real networks as it allows external users to access internal resources securely, while also helping to manage IP address usage effectively.

Topology & Device Table

                +---------------------+
                |       Internet       |
                +----------+----------+
                           |
                           | 10.1.102.10 (OUT)
                           |
                +----------+----------+
                |        ASA1         |
                |  E0/0  10.1.102.10  |
                |  E0/1  10.1.101.10  |
                |  E0/2  10.1.104.10  |
                +----------+----------+
                           |
                           |
                +----------+----------+
                |         R1          |
                |  F0/0  10.1.101.1   |
                |  Lo0   1.1.1.1      |
                +---------------------+