In IIS you can host multiple Web sites on a single server with the same port number and a single IP address using Host Header. By adding a unique host header to each Web site, you can map more than one Web site to a single IP address.
In IIS 6.0,
To add a host header entry for a Web Site in IIS 6.0.
Right click Web Site (Default Web Site in our case) and click on Properties
Click Advanced… button in the Web Site tab
Click on Default and click Edit…
Type t...
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