I'm trying to use npm to install packages on a machine which doesn't have full internet connectivity (we connect to it via a VPN). For most (non-npm) usages, ssh proxying our office's squid port over ssh to localhost:3129 works fine. (We use the command 'ssh -R 127.0.0.1:3129:squid_server_ip:3128 root@target_server_ip'.) As I test, I am successfully able to wget https://www.google.com over this pr