Cannot connect to remote server because I need local port mapping too?

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  • #29225
    Avatarlielikearug
    Participant

    Hi there guys, I have been trying to connect to a server whose IP is DMZ – all ports should be open.

    The client is behind a tethering service from wireless provider (definitely no way to open ports), and I’m looking at the connection log which seems to want to open a local UDP port ?! Isn’t the server opening ports so that clients can connect?

    Info: Starting NoMachine version 6.11.2.
    Info: Loading settings from ‘C:\Users\owner\.nx\config\player.cfg’.
    Info: Loaded translation files for ‘English’.
    45568 39768 13:59:30 867.806 Main: Creating the client session.
    45568 39768 13:59:30 867.806 ClientSession: Initializing session at 0x0151d198.
    45568 31436 13:59:31 106.987 MdnsdListThread: WARNING! Could not open directory ‘C:\Users\owner\.nx\cache’.
    45568 39768 13:59:31 344.827 ClientSession: Initialized session at 0x0151d198.
    45568 39768 13:59:31 354.802 Main: Entering the GUI event loop.
    Info: Slave server running with pid 33704.
    Info: Listening to slave connections on port 32000.
    45568 30548 13:59:38 173.618 ClientUpnp: WARNING! Mapping of port ‘20000’ failed after ‘6819’ ms.
    45568 39768 13:59:38 488.704 ClientSession: Starting session at 0x0151d198.
    45568 39768 13:59:38 489.617 ClientSession: Going to start session ‘C:\Users\owner\Documents\NoMachine\operatory1.nxs’.
    45568 39768 13:59:38 520.615 Connection: Initializing connection at 0x043a31a0.
    45568 39768 13:59:38 522.756 Connection: Initialized connection at 0x043a31a0.
    45568 39768 13:59:38 522.756 Connection: Starting connection at 0x043a31a0.
    45568 39768 13:59:38 522.756 ClientDaemonConnector: Starting a new connection to host ‘1xx.1xx.2xx.xxx’ on port ‘4000’.
    45568 39768 13:59:38 529.619 Connection: Started connection at 0x043a31a0.
    45568 39768 13:59:38 547.670 ClientSession: Started session at 0x0151d198.
    45568 39768 14:00:08 536.186 Connection: Connection at 0x043a31a0 failed.
    45568 39768 14:00:08 536.186 ClientSession: Runnable at 0x043a31a0 caused the session at 0x0151d198 to fail.
    45568 39768 14:00:08 536.186 ClientSession: Failing reason is ‘A connection timeout has occurred while trying to connect to ‘1xx.1xx.2xx.xxx’ on port ‘4000’. The issue could either be caused by a networking problem, by a firewall or NAT blocking incoming traffic or by a wrong server address. Please verify your configuration and try again.’.
    45568 39768 14:00:08 574.191 ClientSession: Stopping session at 0x0151d198.
    45568 39768 14:00:08 629.143 Connection: Stopping connection at 0x043a31a0.
    45568 39768 14:00:08 629.143 ClientDaemonConnector: Stopping the current connection.
    Info: Slave server running with pid 48536.
    45568 39768 14:00:08 630.135 Connection: Stopped connection at 0x043a31a0.
    Info: Listening to slave connections on port 59518.
    45568 39768 14:00:08 664.135 ClientSession: Stopped session at 0x0151d198.

    #29290
    Avatarkroy
    Contributor

    Are you sure that IP is correct? Can you ping DMZ device from that network at all? Please check connection from other network to exclude tethering problems.

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