I've read that before, the way the answer is written (and the config) makes me think this is only for LAN networks? Not WAN?
As mentioned, I want to connect to Deluge from an external network - IE from a friends house, a hotel, etc.
So in testing, I just threw my current WAN IP in that 'LAN_NETWORK=' variable and it worked! This is not really scalable unfortunately, but I suppose it is a valid workaround.
Is there any other way to open the Deluge WebUI to the entire internet? Setting LAN_NETWORK to 0.0.0.0 or 0.0.0.0/0 did not work...