I have set up an OpenVPN-Server and can connect successfully, but after the connection is established I am not able to reach any internal destinations (

The problem seems to only occur on Linux(Ubuntu 18.04.1)/Android systems as I am able to reach the internal destinations from a MacOS (Viscosity) and from a Windows System (Official OpenVPN client) with just importing the ovpn. The problem also occurs on my Android phone using the "OpenVPN Connect"-App.

On Ubuntu, I installed "apt-get install network-manager-openvpn-gnome" and imported the ovpn. The connection is established successfully, but no network address is pingable/reachable.

Destination network:

OpenVPN Tunnel Address space:

Here is the routing table:

user@Ubnt:~$ route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface         UG    50     0        0 tun0         UG    600    0        0 wlp4s0   U     50     0        0 tun0 UGH   600    0        0 wlp4s0     U     1000   0        0 wlp4s0   UG    50     0        0 tun0   U     600    0        0 wlp4s0 UH    600    0        0 wlp4s0

And here is the ovpn:

dev tun
cipher AES-256-CBC
auth SHA512
resolv-retry infinite
remote extern.dummy.com 1194 udp
lport 0
verify-x509-name "extern.dummy.com" name
remote-cert-tls server


key-direction 1

# 2048 bit OpenVPN static key
-----BEGIN OpenVPN Static key V1-----
-----END OpenVPN Static key V1-----

I hope someone can point me in the right direction as I was not able to find any solution after searching various forums.

Thanks in advance

  • OK, it seems that the problem lies within the gnome-extension. As I am able to successfully connect and reach the target subnet without issues when connecting using the OpenVPN client directly from terminal: "sudo openvpn /home/User1/Desktop/pfSense.ovpn" – flash.killer Oct 25 '18 at 19:56

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