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[ufw] force all traffic through VPN

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Old 03-17-2019
[ufw] force all traffic through VPN
I am trying to force all my tun0's traffic through VPN but some some reason, the ufw is not working the way I want to.

Below are the commands that I have executed.. I am able to connect to my SSH and NFS server but for some reason that I am unable to understand, I am unable to surf the net.
What am I missing?

Code:
sudo echo "y" ufw reset
sudo ufw logging off
sudo ufw default deny incoming
sudo ufw default deny outgoing

#Force all VPN traffic to tun0
sudo ufw allow out on tun0 from any to any

#SSH
sudo ufw allow out on enp6s0 to ssh_ip_server port XX proto tcp

#NFS
sudo ufw allow out on enp6s0 to nfs_server_ip port xxx
sudo ufw allow out on enp6s0 to nfs_server_ip port xxx
sudo ufw allow out on enp6s0 to nfs_server_ip port xxx

sudo ufw enable

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LEARN ABOUT DEBIAN

gnunet-vpn

GNUNET-VPN(1)						      General Commands Manual						     GNUNET-VPN(1)

NAME

       gnunet-vpn - manually setup a GNUnet VPN tunnel

SYNOPSIS

       gnunet-vpn [options]

DESCRIPTION

       gnunet-vpn  can	be  used  to manually setup a VPN tunnel via the GNUnet network.  There are two main types of tunnels.	Tunnels to an exit
       node which routes the traffic to the global Internet, and tunnels to a node that runs a service only within GNUnet.  Depending on the  type
       of  tunnel, gnunet-vpn takes different options.	The "-i" option is required for tunnels to an exit node, whereas the "-p" and "-s" options
       in conjunction with either "-u" or "-t" are required for tunnels to services.  For exit tunnels, both UDP and TCP  traffic  will  be  redi-
       rected.	For service tunnels, either UDP ("-u") or TCP ("-t") traffic will be redirected.

       The  tool  will	display the IP address for this end of the tunnel.  The address can be displayed as soon as it has been allocated, or only
       after ("-a") the tunnel has been created.

OPTIONS

       -4, --ipv4
	      Desired IP address on this end of the tunnel should be an IPv4 address.

       -6, --ipv6
	      Desired IP address on this end of the tunnel should be an IPv6 address.

       -a, --after-connect
	      Display IP address only after the tunnel is fully connected.

       -c FILENAME,  --config=FILENAME
	      Use the configuration file FILENAME.

       -d SEC, --duration SEC
	      The mapping should be established for SEC seconds.  Default is 5 minutes.

       -h, --help
	      Print short help on options.

       -i IP, --ip IP
	      Tunnel should be to an exit node and connect to the given IPv4 or IPv6 IP address.  Note that you can specify an IPv6 address as the
	      target here, even in combination with "-4" (4to6) and similarly you can specify an IPv4 address in combination with "-6" (6to4).

       -L LOGLEVEL, --loglevel=LOGLEVEL
	      Use LOGLEVEL for logging.  Valid values are DEBUG, INFO, WARNING and ERROR.

       -p PEERID,  --peer=PEERID
	      Name of the peer offering the service to connect to.  Cannot be used in conjunction with "-i", requires "-s".

       -s NAME,  --service=NAME
	      Name of the service running on the target peer.  Cannot be used in conjunction with "-i", requires "-p".

       -t, --tcp
	      Service runs TCP.  Either "-t" or "-u" must be specified when using "-s".

       -u, --udp
	      Service runs UDP.  Either "-t" or "-u" must be specified when using "-s".

       -V, --verbose
	      Be verbose.

       -v, --version
	      Print GNUnet version number.

BUGS

       Report bugs by using Mantis <https://gnunet.org/bugs/> or by sending electronic mail to <gnunet-developers@gnu.org>

SEE ALSO

       gnunet-setup(1)

GNUnet								    25 Feb 2012 						     GNUNET-VPN(1)