[Bug 3088] sys_tun_open: failed to open tunnel control interface: No such device

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Sat Jan 25 16:33:51 AEDT 2020


https://bugzilla.mindrot.org/show_bug.cgi?id=3088

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |djm at mindrot.org
         Resolution|---                         |WORKSFORME
             Status|NEW                         |RESOLVED

--- Comment #1 from Damien Miller <djm at mindrot.org> ---
This problem is caused by the /dev/net/tun device being missing on your
server. On Linux this may be caused by the support being compiled out
of the kernel and/or the necessary kernel module not being loaded. You
might try "modprobe tun" and/or adding "tun" to /etc/modules.

I've committed a change to improve the error message for this case by
making it include the device name that it failed to open, but the your
problem needs to be solved on your server.

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