Shortcut script to bypass the firewall

bypass_firewall.sh

#!/usr/bin/env bash -e
#
# Shortcut script to bypass the firewall
#
# It requires manual pre configuration of proxy in network settings.
# Or just run once:
#  sudo networksetup -setsocksfirewallproxy Wi-Fi 127.0.0.1 1985
#  sudo networksetup -setsocksfirewallproxystate Wi-Fi off


disable_proxy_cmd="sudo networksetup -setsocksfirewallproxystate Wi-Fi off"

trap "$disable_proxy_cmd"  EXIT

# Enable proxy
sudo networksetup -setsocksfirewallproxystate Wi-Fi on

# Run SOCKS proxy
# ssh -ND 1985 [user]@hostname
gcloud compute ssh proxy --zone europe-west1-b --ssh-flag='-ND 1985'