Open the plugin.
Click on the Profile menu.
Open Settings.
Check the "Use HTTP(s) proxy" option.
In the Server field, type the IP address.
In the Port field, type the port.
Click "Save".

Open the plugin.
Click on the Profile menu.
Open Settings.
Check the "Use HTTP(s) proxy" option.
In the Server field, type the IP address.
In the Port field, type the port.
Click "Save".