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I started using some days ago a VPN service to surf the web anonymously. My worry is now that if the connection to the VPN server drops I will automaticaly get my real external IP from my ISP so my anonymity is gone.
It is possible to achive "100%" anonymity by using a second VPN tunnel in the first VPN tunnel (I do not have much knowledge about VPN please forgive if i say something wrong). By that I mean if one of the connections to VPN drops I should still use other external IP than my real one.
Are there different scenarios for example if the connection to the outer tunnel drops than if the connection to the inner one drops?
@root this can also be done with a firewall, for example in Linux by using iptables rules that will only allow Internet traffic through the VPN IP address. This solution avoids having to install a proprietary client that may contain spyware. – baptx – 2020-02-03T14:51:12.220
Some VPN service providers that use a client to establish a connection will offer failover protection. For example, from one provider:
"The internet kill switch activates VPN disconnect protection. If you disconnect from the VPN, your internet access will stop working. It will reactivate normal internet access when you deactivate the kill switch mode or exit the application."
– root – 2014-06-04T11:11:20.777