I am using a vpn and trying different firewall rules to keep as secure as possible. But the VPN company itself tells me not to use a firewall. Does that seem reasonable?

They write:

"As we've mentioned previously, it is not recommended to have UFW/GUFW enabled when connected to our VPN, as it may cause interference and lead to possible leaks."

  • 1
    Why do you want a firewall?
    – schroeder
    Jun 21 '21 at 13:02
  • Their reasoning must be that the majority of users are not network experts and will screw up things, plus their setup may require dynamically allocated ports or whatever. Translation: don't fix what ain't broken. Reasonable ? I think you are entitled to limit your exposure, after all you are connecting to a third-party network. But you are trusting them with your traffic though.
    – Kate
    Jun 21 '21 at 19:31
  • 1
    and why do you want a VPN?
    – user253751
    Jun 21 '21 at 20:48
  • Thanks for the response. The motivation for a firewall is straightforward in my case. As I am being hacked (and I'm usually not sure how), I am searching for ways to stop this. A firewall and vpn, seemed to me a good place to start.
    – mike
    Jun 22 '21 at 10:36
  • You do not need a firewall behind a VPN service. The VPN will stop all inbound connections (they have a firewall).
    – schroeder
    Jun 22 '21 at 10:37

Yes, it is perfectly reasonable. A VPN service does not want to have to deal with the support calls and troubleshooting when people try to configure their own firewalls. So the recommendation is not to have one.

They are not saying you can't have one. They said they do not recommend it.

And you do not need a firewall if you are using a VPN service. They will block incoming connections, which is the protection you need if you are worried about "getting hacked" from Internet traffic.

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