[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2016-05-05 Thread Jason Gunthorpe
This still happens in Xenial.

#7 has it right, if the IPv4 and IPv6 'use this connection only for
resources on its network' are different then the default DNS server is
dropped.

It is very easy to make this mistake and very hard to figure out that is
the problem!

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Title:
  After connecting to OpenVPN server the default DNS is no longer
  available

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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-05-31 Thread Phil Weir
For me, this seems to have been a case of VPN server misconfiguration going 
unnoticed until the recent fixes. Just in case you're in a position where 
somebody else is responsible for the server, or there's a different etiology, 
checking
  IPv6 [+] use this connection only for resources on its network
(as suggested by darkk) also works for me.

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Title:
  After connecting to OpenVPN server the default DNS is no longer
  available

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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-05-12 Thread Leonid Evdokimov
I faced same issue.

My setup is: 
IPv4 [+] use this connection only for resources on its network 
IPv6 [-] use this connection only for resources on its network 

I get `REFUSED` when I try to run `dig google.com.` and I see following
at /var/log/syslog:

May 12 21:54:45 localhost NetworkManager[19137]:  Writing DNS information 
to /sbin/resolvconf
May 12 21:54:45 localhost dnsmasq[19070]: setting upstream servers from DBus
...
May 12 21:54:45 localhost dnsmasq[19070]: using nameserver 213.180.205.1#53 for 
domain yandex.net
May 12 21:54:45 localhost NetworkManager[19137]:  VPN plugin state 
changed: started (4)


When I change setup to:
IPv4 [+] use this connection only for resources on its network 
IPv6 [+] use this connection only for resources on its network 

I can resolve non-VPN domain names and non-specific nameserver is
mentioned at the /var/log/syslog too:

May 12 21:58:20 localhost dnsmasq[19070]: setting upstream servers from DBus
...
May 12 21:58:20 localhost dnsmasq[19070]: using nameserver 213.180.205.1#53 for 
domain yandex.net
May 12 21:58:20 localhost dnsmasq[19070]: using nameserver 192.168.42.1#53 
< that one :)
May 12 21:58:20 localhost dbus[840]: [system] Activating service 
name='org.freedesktop.nm_dispatcher' (using servicehelper)

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Title:
  After connecting to OpenVPN server the default DNS is no longer
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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-04-30 Thread Thiago Martins
Guys,

Please, ignore my latest message, I just enabled the option:

Edit "VPN Connection 1" -> "IPv4 Settings" -> Routes... -> "[X] Use this
connection only for resources on this network".

Sorry about the buzz...

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  After connecting to OpenVPN server the default DNS is no longer
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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-04-30 Thread Thiago Martins
I'm facing this problem too...

And one more... The `network-manager-openvpn` on Trusty is replacing the
"default route" of my Ubuntu Desktop to the VPN tunnel! This way, I am
unable to browse the Internet after stablishing the OpenVPN connection
through NetworkManager...

No idea about how to change this behavior... Tips?!

Tks!
Thiago

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  After connecting to OpenVPN server the default DNS is no longer
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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-04-30 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: network-manager-openvpn (Ubuntu)
   Status: New => Confirmed

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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-04-18 Thread Michal Sylwester
One more comment: I had a leftover IPv6 config on the server, which
basically ment it was enabled but not really used. After disabling it
(commenting out all "server-ipv6") everything works as it used to, just
without IPv6.

I've noticed now what I missed before, in syslog (again, parts removed):
Apr 18 09:42:10 msylw-imac NetworkManager[1152]:  IPv4 configuration:
Apr 18 09:42:10 msylw-imac NetworkManager[1152]:Forbid Default Route: 
yes
Apr 18 09:42:10 msylw-imac NetworkManager[1152]:  IPv6 configuration:
Apr 18 09:42:10 msylw-imac NetworkManager[1152]:Forbid Default Route: 
no

My guess is that the ipv6 config also prevented the "old" default dns from 
being used for ipv4. 
I have no idea whether it makes sense to have forbid default route for ipv4 but 
not for ipv6, and whether this should stay here or be considered configuration 
error.

BTW: I'm currently using kubuntu, and it lacks the dialog for
configuring ipv6 for openvpn. If this would be considered invalid
configuration then perhaps this has to be redirected as gui problem.

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[Bug 1304437] Re: After connecting to OpenVPN server the default DNS is no longer available

2014-04-17 Thread Michal Sylwester
2 more observations:
- After upgrading saucy to trusty: I have the same problem
- Downgrading network-manager-openvpn to saucy version (0.9.8.2-1ubuntu2) fixed 
the problem. 

It seems that the IPv6 patches somehow broke IPv4 for me, but I wasn't
able to figure out why...

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Title:
  After connecting to OpenVPN server the default DNS is no longer
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