[Freedombox-discuss] OpenVPN Installation on Beagle Bone Black locks out web access
Sunil Mohan Adapa
sunil at medhas.org
Tue Jan 15 21:34:05 GMT 2019
On 14/01/19 6:21 pm, Steven Ng wrote:
> Thanks Sunil,
>
> I've been able to recreate the problem in VirtualBox and will see if
> I can gather more information.
>
Hi Steven,
I have been able to recreate the problem in my VirtualBox instance today
after installing OpenVPN and rebooting the system. I have created a bug
in FreedomBox tracker[1]. Looks like firewalld/nftables is unable to
handle '+' in the interface name created by OpenVPN 'tun+'. I described
the following way to recover the system from such a failure.
Recovering from a running system if you have SSH/console access:
$ firewall-cmd --zone=internal --remove-interface=tun+ --permanent
$ firewall-cmd --zone=internal --remove-interface=tun+
$ systemctl restart firewalld
Recovering when you can access the disk or SD card:
Edit /etc/firewalld/zones/internal.xml and remove tun+ line and save.
Boot the disk or SD card.
Lets collect some more information and submit a bug/patch for
firewalld/nftables soon.
Links:
1) https://salsa.debian.org/freedombox-team/plinth/issues/1457
Thanks,
--
Sunil
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