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Step 3: Configure External Identity for the DMZ Web Server.
The DMZ web server needs to be easily accessible by all hosts on the Internet. This configuration
requires translating the web server’s IP address so that it appears to be located on the Internet, enabling
outside HTTP clients to access it unaware of the adaptive security appliance. Complete the following
steps to map the web server IP address (10.30.30.30) statically to a public IP address
(209.165.200.225):
1. Click Configuration at the top of the ASDM window.
2. Choose the NAT feature on the left side of the ASDM window.
3. Click Translation Rules, then click Add at the right side of the page.
4. Choose the outside dmz interface from the drop-down list of interfaces.
5. Enter the IP address (10.30.30.30) for the web server.
6. Choose 255.255.255.224 from the Mask drop-down menu, then click Static.
7. Enter the external IP address (209.165.200.226) for the web server. Then click OK.
8. Verify the values that you entered, then click Apply.
The displayed configuration should be similar to the following: