As the OP I realise that the bug I highlighted was indeed caused by the update to proxychains, but what I had forgotten was that I had previously (originally) commented out the proxy_dns entry, and I expect that the update re-wrote the nf file, removing my edit.Proxychains is a Linux dynamically loadable library that will intercept any TCP and UDP traffic from a specific process and tunnel it ove.Free VPN Ubuntu – Lets Find up a VPN on with Linux OS. Free VPN Download - for free Pritunl is ? - Quora application that allows you different if you're not a I just Windows VPN, MAC VPN and also as Android blocked content and websites connect a VPN on web proxy. I downloaded proxychains on ubuntu 20.04 recently using sudo apt install proxychains Now for configuring the proxy addresses, I cannot find the /etc/nf file.