In the advanced page, you'll find additional settings, such as to configure network level authentication, and you can see the current remote desktop network port. (windowscentral.com)
For those that require a bit more freedom there is also an 802.11 g wireless networking port. (digitaltrends.com)
Both the Google Chromecast Ultra and Roku Premiere + offer wired networking ports and the Chromecast Ultra includes a power adaptor Ethernet port to make this connection even easier. (pocket-lint.com)