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[Mike <1383994@xxxxxxxxxxxxxxxxxx>]

Also, I didn't check the box indicating that this was a security issue,
as I don't know what definition you use for that. However, I think it
could potentially qualify.

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https://bugs.launchpad.net/bugs/1383994

Title:
  OpenVPN connections with supplied server certificate don't use it by
  default

Status in “network-manager” package in Ubuntu:
  New

Bug description:
  I am on Xubuntu 14.04 with the most recent version of network-manager
  (up-to-date with apt-get).

  I added a TCP OpenVPN connection from a config file with a server
  certificate file specified. Today, when looking through my syslog, I
  found the following:

    Oct 21 11:20:38 xubuntu-MacAir NetworkManager[14273]: <info> VPN connection 'USA-New York-TCP' (Connect) reply received.
    Oct 21 11:20:38 xubuntu-MacAir nm-openvpn[30726]: OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Feb  4 2014
    Oct 21 11:20:38 xubuntu-MacAir nm-openvpn[30726]: WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.

  The certificate was listed in the main tabs of the network-manager's
  VPN config window, confirming that network-manager recognized its
  presence in the config file. Upon entering the "Advanced" window, I
  found that network-manager was not even attempting to use the
  certificate. I simply checked the relevant box, and everything now
  seems to be working fine.

  I feel that this is a bug, especially because the user is not notified
  of the warning. I'm reasonably experienced with manual configs, but I
  wrongly assumed that adding a server certificate was sufficient to
  have it actually used. There must be many users that don't know what a
  syslog is, and many more that made the same false assumption I did and
  never ventured into their logs to observe OpenVPN.

  I suggest that the user get an explicit warning through network-
  manager in this case, or that the server certificate be used by
  default if supplied by the user.

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