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Using a VPN with Little Snitch

Posted: Sat Jul 28, 2018 8:16 pm
by cai
I use Little Snitch v3, and I just started using NordVPN to secure and obscure my internet traffic.

I’m noticing that whenever I use the VPN, Little Snitch reports connection attempts to IP addresses which aren’t resolved to a domain. I assume this is as a result of the traffic being routed through the VPN’s servers rather than direct to its target. But the IP addresses aren’t all the same.

My question to anyone else in the same position is, how do I manage this? I don’t want to start allowing any app to connect to any IP address (else why bother with LS?), but I also can’t see how to control this if all traffic gets rerouted through NordVPN regardless of its destination. …or am I missunderstanding something obvious?

I’d really appreciate any suggestions!

(PS. apologies if this has been covered before, but you can't search the forums for "vpn"!)

Re: Using a VPN with Little Snitch

Posted: Mon Aug 20, 2018 10:56 pm
by cai
rosykelvin wrote:I had the similar issue.

Thanks for your reply. Yes, I've had to cancel my NordVPN as it's basically unusable with LittleSnitch.
rosykelvin wrote:So I switched to another VPN provider named Ivacy VPN.

Did Ivacy work straight away or did you need to tweak settings? And btw are you using LS v3 or v4? Thank you!!

Re: Using a VPN with Little Snitch

Posted: Tue Dec 18, 2018 12:51 pm
by cai
I didn't realise my question would entice a torrent of bots advertising their VPN services :?
Apologies all.

Re: Using a VPN with Little Snitch

Posted: Tue Jan 01, 2019 12:38 am
by mcgroarty
This problem likely has more to do with which VPN software you use rather than which VPN service you use.

You should be able to configure most VPN services to work with OpenVPN (free software) which will then make the VPN look like just another network interface. Little Snitch will behave appropriately under these circumstances. The problem is with proprietary VPN software that acts as a proxy rather than as a network interface. In these cases, Little Snitch believes the proxy software is making all outbound network requests... because it is.

Re: Using a VPN with Little Snitch

Posted: Fri Jan 04, 2019 6:40 pm
by contrawise
@ mcgroarty -

NordVPN incorporates OpenVPN in making its connections. It may be doing it in a way that trips Snitch's trigger ...
I use NordVPN and get the same interruptions this thread is about.

Re: Using a VPN with Little Snitch

Posted: Wed Jan 09, 2019 8:23 am
by hkirmani
mcgroarty wrote:This problem likely has more to do with which VPN software you use rather than which VPN service you use.

You should be able to configure most VPN services to work with OpenVPN (free software) which will then make the VPN look like just another network interface. Little Snitch will behave appropriately under these circumstances. The problem is with proprietary VPN software that acts as a proxy rather than as a network interface. In these cases, Little Snitch believes the proxy software is making all outbound network requests... because it is.


Agree with you. Thanks!

Re: Using a VPN with Little Snitch

Posted: Thu Jan 10, 2019 10:02 am
by hkirmani
mcgroarty wrote:This problem likely has more to do with which VPN software you use rather than which VPN service you use.

You should be able to configure most VPN services to work with OpenVPN (free software) which will then make the VPN look like just another network interface. Little Snitch will behave appropriately under these circumstances. The problem is with proprietary VPN software that acts as a proxy rather than as a network interface. In these cases, Little Snitch believes the proxy software is making all outbound network requests... because it is.


Indeed and totally agree with you...