I have a small web server in my house to monitor my solar heating system. I can access it easily when I travel to the big city, but when I go to a neighbor's house in my small rural community, I cannot access it at all. It seems that Fairpoint's main gateway must not have a route for packets that are destined for an address on the local network.
Is this normal? Would they be doing this intentionally or is it a programming error?
Is this normal? Would they be doing this intentionally or is it a programming error?
I think that is pretty common. Residential service is typically bridged rather then routed, so in effect customers all share the ISP's local network. To protect privacy each user is isolated from one another, direct inter-user communication and broadcast is disabled. The ISP would have to implement additional LAN smarts to allow one customer to directly communicate with another.
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