gabriel_chamon

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  • in reply to: Unable to connect over Wireguard tunnel #34526
    Avatargabriel_chamon
    Participant

    Thanks @Tom,

    I rechecked all my configs, reapplied the old configuration (I use terraform with git, so I can track all the change history) and using the internal IP I can now connect.

    My guess is that something must have changed in the new server version, as I tested first with the external IP and the server prompted for an update. Or I was in a weird state and things just fixed itself somehow.

    Anyway, it seems I can connect through the WireGuard tunnel now.

    in reply to: Unable to connect over Wireguard tunnel #34450
    Avatargabriel_chamon
    Participant

    My infrastructure is comprised of 2 AWS EC2 instances, an instance running NoMachine Server on Ubuntu, an instance running a Wireguard VPN Server on Amazon Linux 2, and a client running NoMachine Client on Windows.

    If we use internal IPs from the CIDR block 172.31.0.0/16, connections go through the Wireguard tunnel. Other IPs go over the public internet.

    In a nutshell, the connection should go like this:

    (NoMachine Client on Windows) |–[Wireguard Tunnel]–> (Wireguard VPN Server) |–[Forward Packages]–> (NoMachine Server on Ubuntu).

    However, the Windows Client times out when trying to connect over the VPN tunnel. Everything else that is behind the VPN connection works. For instance, we have a documentation service that is accessible only internally and the web page opens just fine. SSH connections are also only accessible through the Tunnel, which work fine using PuTTY. The only service that times out is the Windows client.

    The workaround we applied is to open ports 4000 and 4011-4099 to the internet. This way we can connect to the NoMachine server using it’s public IP just fine.

    This makes me believe that somehow, even though we setup the connection on NoMachine client using the private IP, it tries to connect to the server over the internet, ignoring the VPN tunnel.

    Is there a way to specify the interface or device in the NoMachine client so that we force the connection to go through the tunnel?

    in reply to: Unable to connect over Wireguard tunnel #34310
    Avatargabriel_chamon
    Participant

    The NoMachine server is running on Ubuntu. Sorry, I missed that info. However, there are no logs in the server. Connection from Windows never reaches the server. However, if I initiate a connection from a Linux everything works as expected. The problem is that NoMachine client on Windows is ignoring the Wireguard tunnel.

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