USR9106 port triggering

Discussion in 'Wireless Internet' started by IanT, Apr 20, 2004.

  1. IanT

    IanT Guest

    I have two programs (written in Delphi) which successfully send simple
    TCP text messages to each other over a LAN using LocalHost on port
    2000.

    I'm now trying to get them to communicate over the Internet. My setup
    is two computers connected to a USR9106 router/ADSL modem. I set up
    port triggering in the 9106 software for port 2000 inbound and
    outbound. I looked up the WAN IP (which is fixed) on the USR
    software. I've read that NAT routing may not work with computers on
    the same LAN, so I disconnected one computer from the network and
    dialled in on it to my ISP. I checked from ipconfig that the dialup
    IP address was different from the ADSL IP (in fact, only the last
    block).

    Then I gave the dialup IP as the host's IP address to the program
    still running on the LAN and specified port 2000 for both programs.
    But they wouldn't connect. The program attempting the connection to
    the listening program reported an 10061 error (connection refused).

    I also disabled the XP firewall and ZoneAlarm.

    Can anyone please help me and suggest what may be going wrong ?
     
    IanT, Apr 20, 2004
    #1
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