If you don't map ports to computers behind the nat router you'll be safe from outside connections. However, a software firewall such as zonealarum can be usefull for stopping outgoing connections such ...
The USB 3.0 ports can deliver better performance than USB 2.0 ports. Most routers struggle to power large, power-hungry HDDs ...
So hopefully, this isn't too specific to just my router firmware. But I got a new modem, DOCSIS 3.1. Called Spectrum and gave them the Mac Address, verified that be default I should be getting ~600 ...