Question

VPN error

Posted December 2, 2013 7.9k views
I keep getting this error: The remote connection was not made because the attempted VPN tunnels failed. The VPN server might be unreachable. If this connection is attempting to use an L2TP/IPsec tunnel, the security parameters required for IPsec negotiation might not be configured properly. Anyone that knows why?
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ThisUser32
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ThisUser32

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16 answers
pablo December 2, 2013
Do you have a firewall on your droplet?
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ThisUser32 December 2, 2013
No, I don't think so.

can I check that somehow?
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pablo December 2, 2013 
sudo iptables -L
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ThisUser32 December 2, 2013
iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination
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pablo December 2, 2013
Have you tried rebooting your droplet, i.e. sudo reboot now?

In installing your VPN server, did you follow a guide? If so, which one?
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ThisUser32 December 2, 2013
Yes, I have tried to reboot it.
I followed this one: https://www.digitalocean.com/community/articles/how-to-setup-your-own-vpn-with-pptp
How To Setup Your Own VPN With PPTP
by Bulat Khamitov
A Point-To-Point Tunneling Protocol (PPTP) allows you to implement your own VPN very quickly, and is compatible with most mobile devices. Even though PPTP is less secure than OpenVPN, it is faster and uses less CPU resources.
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pablo December 2, 2013
Did you complete Step 4 - Create a NAT rule for iptables?
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ThisUser32 December 2, 2013
Yes :)
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ThisUser32 December 2, 2013
When I look 2 my configured VPN, my workings once says (PPTP)
but this one says (IKEv2)
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kamaln7 December 2, 2013
Did you follow the same article on both droplets?
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