LAN connections stopped upgrading Ubuntu from 20.10 o 21.04...

Hello all!

I upgraded Ubuntu from 20.10 to 21.04. I updated VNC Server to 6.7.4 64 bits. I stopped Wayland to use Xorg.

I can connect from cloud to my machine but when I connect to the configured port from LAN, I get a connection refused. Even if I telnet localhost 5900 ...

Any idea what is going on?

Gilles

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  • Official comment

    Hi,

    What type of subscription have you applied to VNC Server? If you have either Home or Professional then you can use cloud connections only, to use direct connections by IP and port you need an Enterprise subscription.

    Thanks,

    Jack

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  • OK. But why did it work before updating from Ubuntu 20.10 to 21.04 and upgrading realvnc server from 6.7.2 to 6.7.4? When did this get enforced? If I revert back to 6.7.2 I don't get the old behavior. I don't want to have to reinstall Ubuntu 20.10. But I can definitely check and come back here to see how it behaves on that OS on another machine. I'm pretty sure direct IP connections will work...

    I have a free subscription. My impression is that the cloud connections were specifically (beyond the 5 machines you get for free) for enterprise... and that with home you could connect to as many direct connections as you want.

    Oh and direct connections still work on my Raspberry Pis. So I'm not sure what the real rule is.

    Of course I can install another VNC for direct connections... if there is no other options, and keep RealVNC for cloud.

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  • Hi,

    It's possible you had a non-realVNC VNC Server running on 20.10 that was accepting the local connections on port 5900. If you do reinstall 20.10 and have direct connectivity, please check which process is listening with: sudo netstat -anp | grep 5900

    Home (and Professional) subscriptions have always only offered cloud connectivity since VNC Connect (v6.x) launched.

    VNC Viewer can be used to connect with direct connections to Enterprise-enabled RealVNC VNC Servers, and third party VNC Servers.

    On Raspberry Pi we offer some additional free features such as direct connectivity as part of a partnership with the Raspberry Pi foundation.

    Thanks,

    Jack

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  • OK. Probably something like this... BUT... When I want to install 2 different vnc servers on Ubuntu, it doesn't let me (at least at first attempt). So I think that it may have been working "by mistake" from an older 5.x configuration that finally got cleaned up  with updating Ubuntu to 21.04. I'll have to look for ways to compensate...

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  • So I found the solution, which was to also run /usr/lib/vino/vino-server as a startup application which then gives me the direct IP VNC. I think that is what was running before... So with that in place I'm back to my normal mode of operation.

    Thanks for the answers which prompted me to look in directions I hadn't thought of initially!

    Gilles

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