Yeah. Your DSL router's reference material. Or enlist the help of your ISP's support staff.<br><br>Your DSL router is a probably DHCP server. It may also get a dynamic or static address for the outside, in your ISP's address range. Even if dynamically assigned, it may be consistant. If it is static or virtually static, this is easy.<br><br>Your DSL router should be capable of Port Address Translation (PAT) to map a port on the Internet IP address side of your router to a port on an internal.<br><br>It may also provide "local servers."<br><br>Either way, it seems as if the router itself provides whatever service you set up.<br><br>The catch is that if you router is a DHCP client, and gets a different address for each request, you have to have someone available to look up the router's address from the inside when someone wants to connect.<br><br>If it is "static," you can provide instructions to modify the appropriate file on each workstation (maybe they have a MAC at home, so it'd be different than Windows) to resolve intranet.yourcompany.yoursuffix!<br>