On Wed, Mar 25, 2020 at 6:35 AM Chester, Dean <d.cheste...@warwick.ac.uk> wrote:
>
> Hi,
>
> I have a user who uses OpenConnect to connect to a VPN tunnel from within a 
> network. The end point he is tunnelling to is a juniper network. The user is 
> a sudoer.
>
> The user has been installing OpenConnect on Debian 10 from source; this has 
> now killed the box which we don’t have physical access to currently due to 
> ongoing global issues.
>

What does “dying” mean? System completely hangs? What version of
openconnect are you building and running, exactly? (`openconnect
--version`)

> When he was running ./configure —prefix=<SOME_PATH> the machine died. Does 
> this script do anything trying to enumerate a new interface?

No. OpenConnect does, of course, try to create new tunnel interfaces,
unless you tell it to use an existing tunnel interface with `-i` (see
https://www.infradead.org/openconnect/nonroot.html).

OpenConnect *does not* create new interfaces as part of the
configuration/compliation process… and even if it tried, it would fail
unless running as root.

>
> This is a new box we configured a few months ago for this specific reason. 
> After he’s done with his tunnel we seem to be unable to access the machine 
> again via SSH.
>
> What might be killing the connection and causing us to press the reset button 
> on the machine?

What do the system logs tell you?

Dan

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