networksetup -setsocksfirewallproxy Wi-Fi 127.0.0.1 7070
networksetup -getsocksfirewallproxy Wi-Fi
Enabled: Yes
Server: 127.0.0.1
Port: 7070
Authenticated Proxy Enabled: 0
networksetup -setsocksfirewallproxystate Wi-Fi on
networksetup -setsocksfirewallproxystate Wi-Fi off