NordVPN not connected Topic is solved

[trendy]

Make sure you have forwarding enabled in RPi.
In /etc/sysctl.conf

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# Uncomment the next line to enable packet forwarding for IPv4
#net.ipv4.ip_forward=1

From the PC do a traceroute to the 8.8.8.8 and post here the result.

[hansbl]

Uncommented the line.

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Tracing route to dns.google [8.8.8.8]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  fritz.box [192.168.178.1]
  2     1 ms     1 ms     1 ms  002-000-143-136.dynamic.caiway.nl [136.143.0.2]
  3     4 ms     3 ms     3 ms  cn-aml-vkw-cr15-be2002-2010.caiw.net [62.45.30.249]
  4     4 ms     3 ms     3 ms  72.14.223.133
  5     3 ms     3 ms     3 ms  108.170.241.129
  6     3 ms     3 ms     3 ms  108.170.236.223
  7     3 ms     3 ms     3 ms  dns.google [8.8.8.8]

Trace complete.

[Joulinar]

looks like your computer is going straight to your Fritz!Box and not to your DietPi system. Are you sure your computer is using the DietPi device as gateway?

[trendy]

You have not configured the default gateway on the PC properly. It is still using the router, instead of the dietpi.
Also you need to restart sysctl or reboot the dietpi to apply the changes in sysctl.

[hansbl]

If I set it up as shown in the attachment, I have no connection at all.

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Tracing route to dns.google [8.8.8.8]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  DietPi [192.168.178.27]
  2     *        *        *     Request timed out.
  3     *        *        *     Request timed out.
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9  ^C

[Joulinar]

pls can you check if following is set to 1

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sysctl net.ipv4.ip_forward

[hansbl]

It is.

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root@DietPi:~# sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 1

[trendy]

You also need to nat the egress traffic of OpenVPN (NordVPN) interface. Add the following:

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sudo iptables -t nat -A POSTROUTING -o tun0 -j MASQUERADE

After it works, make sure that you add it in the up/down scripts of the OpenVPN tunnel.

[Joulinar]

@trendy

In case of NordVPN, OpenVPN is used as VPN technology

[trendy]

Thanks for the reminder @Joulinar, I have updated the instructions.