OpenVPN 2.4 also became the default version your connections use. OpenVPN 2.4 adds many security and performance improvements.
Because OpenVPN 2.4 is a major release, there are some setting incompatibilities you may have from your OpenVPN 2.3 configurations. The most common incompatibility is compression settings and the deprecation of the comp-loz command.
Due to which our data traffic is halted, but connection is not dropped (vpn)
connecting to sophos VPN , we were able to ping to the desired machine in office network but unable to connect to machine via, SSH or VNC.
when we try to ssh we get the below error
The Following Solution will Be able to solve this issue and make you to connect to your machine.
Step 1. Goto The setting and Select networks
Step 2: Install the Following Packages to configure VPN.
sudo apt-get install network-manager-openvpn sudo apt-get install network-manager-openvpn-gnome sudo apt-get install network-manager-pptp sudo apt-get install network-manager-vpnc
Step 3: Go to the Network of Ubuntu, Under VPN , click on + button.
Step 4: Click on Import From File and import the .ovpn file from Sophos.
if you get any error like plugins error like.
“error: the plugin does not support import capability” when attempting to import openvpn config file”
Open your .ovpn and Comment the following line
route remote_host 255.255.255.255 net_gateway
Step 5: After importing successfully, Enter your Credentials like username and password.
Step 6: After entering, click on Advanced Settings.
Step7: Change the LZO Data Compress Value from no to Adaptive
Step8: Click ok and Apply and connect to your VPN and try to connect to your machine!
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Important Update
If you Dint get internet Access after Connected to VPN!
Try this
Goto network setting & click on your desired vpn setting icon
VPN configaration > IPv4> routes > use this connection only for resources on its network
Goto IPv4 and tick the “Use this connection only for resource on its network” & click on Apply
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