Need Help W Server, Outside to Inside routing from eternal Subdomain

Discussion in 'Linux Networking' started by SwiTcH, Nov 14, 2013.

  1. SwiTcH

    SwiTcH Guest

    I have an external SUB.DOMAIN.XXX that I have setup DNS to My.Eternal.Network.IP address and i need it to go to My.Local.Network.Address on my LAN ......

    I am new at this but need to get it up by the AM... Can anyone help? I can get into my router and change all settings just not sure if I need NAT or PORT FORWARDING set up to route traffic to the internal server.. @ My.Local.Network.Address

    Thanks in advance for the help!! Both my host and my service provider threw their hands up on helping out :)

    SwiTcH, Nov 14, 2013
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  2. SwiTcH

    David Brown Guest

    Port forwarding is what you want if you are talking about a few ports
    (such as port 80 for http, port 443 for https, 22 for ssh, etc.). You
    set your router to forward external traffic on these ports towards your
    address on the LAN.

    If you want /everything/ forwarded (which is usually /not/ a good idea),
    routers often allow that with terms such as "DMZ" or "virtual server" -
    basically an IP address to receive all traffic that is not explicitly
    forwarded somewhere else.

    Make sure your LAN machine has a fixed IP address on the network.

    Make sure your firewall/router does not block the traffic (for some
    routers, you configure the port forward in one place, and "open" the
    port in another).

    Enable logging on your firewall/router, especially while testing, and
    check the log regularly.

    Make sure your external IP is fixed, or use a dynamic DNS service.


    David Brown, Nov 14, 2013
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